given that log c3 = 0.914
PLEASE HELP MATH

Answer:

1.2974634e+14

Step-by-step explanation:

ye

Answer:

To find the height of the building, we can use the following formula:

height = y(d-x)/x

Substituting the given values, we get:

height = 6(6-3)/3

height = 6(3)/3

height = 6 meters

Therefore, the height of the building is 6 meters.

yes is answer   for all option   .we can check it by rules of rounding off numbers .

what is rounding ?

Rounding is the process of approximating a number to a nearby value that is easier to work with or more appropriate for a given context. When rounding, we take a number with many decimal places or significant figures and adjust it to a simpler or more convenient value with fewer decimal places or significant figures.

In the given question,

Yes, each number is rounded correctly to the nearest hundred thousand based on the rules of rounding.

To round to the nearest hundred thousand, we look at the digit in the hundred thousand place and the digit to its right (i.e., in the ten thousand place).

If the digit in the ten thousand place is 5 or greater, we round up the digit in the hundred thousand place by adding 1.

If the digit in the ten thousand place is less than 5, we leave the digit in the hundred thousand place as it is.

Using these rules, we can see that:

350000 rounded to the nearest hundred thousand is 400000 because the digit in the ten thousand place is 5, so we round up the digit in the hundred thousand place.

555555 rounded to the nearest hundred thousand is 560000 because the digit in the ten thousand place is 5, so we round up the digit in the hundred thousand place.

137998 rounded to the nearest hundred thousand is 200000 because the digit in the ten thousand place is 7, so we round up the digit in the hundred thousand place.

792314 rounded to the nearest hundred thousand is 800000 because the digit in the ten thousand place is 3, so we leave the digit in the hundred thousand place as it is.

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Answer:

x = 8

Step-by-step explanation:

1/4 (8x + 12) = 19

Distribution property

1/4 x 8= 2

1/4 x 12= 3

2x + 3 = 19

19 - 3= 16

2x= 16

16/2 = 8

X= 8

So according to the given figure ∠mah is right angle(90°), The value of x is 17, ∠mat is 38° and ∠tah is equal to 52°.

(A) ∠mah is right angle(90°) [GIVEN IN THE FIGURE]

(B) (2x+4)+(3x+1) = 90

5x+5 = 90

x= 17

(C) 2x+4 = 2×17 + 4 = 38°

(D) 3X + 1 = 3 × 17 + 1 = 52°

A graph is a visual representation or diagram that displays facts or values in an organised manner in mathematics. The points on a graph are typically used to depict the relationships between two or more things.

A graph in discrete mathematics is made up of vertices, which are groups of points, and edges, which are the connections between those vertices. There are numerous different types of graphs besides linked and disconnected graphs, weighted graphs, bipartite graphs, directed and undirected graphs, and simple graphs.

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Ramiro has three credit cards with limits of $7,000, $5,000, and $9,500, respectively. Assuming he charged each of them up to 75 percent of its limit, the amount he owes on each card is:

Card 1: 75% of $7,000 = $5,250

Card 2: 75% of $5,000 = $3,750

Card 3: 75% of $9,500 = $7,125

To calculate the total amount Ramiro owes, we add up the amounts he owes on each card: $5,250 + $3,750 + $7,125 = $16,125

Therefore, Ramiro currently owes a total of $16,125 on his three credit cards.

f(x) is concave up on the interval (-∞, √(6/7)) U (√(6/7), ∞),f(x) is concave down on the interval (-√(6/7), √(6/7)) ,The inflection points occur at x = -√(6/7) and x = √(6/7).

An inflection point is a point on a curve where the concavity changes, from concave up to concave down or vice versa, indicating a change in the curvature of the curve.

According to the given information:

To determine the intervals where f(x) is concave up or down, we need to find the second derivative of f(x) and determine its sign.

First, we find the first derivative of f(x):

f'(x) = (14x)/(7x²+6)²

Then, we find the second derivative of f(x):

f''(x) = [28(7x²+6)²- 28x(7x²+6)(4x)] / (7x²+6)^4

Simplifying the expression, we get:

f''(x) = 28(42x² - 72) / (7x^2+6)³

To determine where f(x) is concave up or down, we need to find the intervals where f''(x) is positive or negative, respectively.

Setting f''(x) = 0, we get:

42x² - 72 = 0

Solving for x, we get:

x = ±√(6/7)

These are the possible inflection points of f(x). To determine if they are inflection points, we need to check the sign of f''(x) on both sides of each point.

We can use a sign chart to determine the sign of f''(x) on each interval.

Intervals where f''(x) > 0 are where f(x) is concave up, and intervals where f''(x) < 0 are where f(x) is concave down.

Here is the sign chart for f''(x):

x  |   -∞   | -√(6/7) | √(6/7) |   ∞

f''(x)|   -    |     +      |     -     |   +

From the sign chart, we can see that:

a) f(x) is concave up on the interval (-∞, √(6/7)) U (√(6/7), ∞).

b) f(x) is concave down on the interval (-sqrt(6/7), √(6/7)).

c) The inflection points occur at x = -√(6/7) and x = √(6/7).

Therefore, the open intervals where f(x) is concave up are (-∞, -√(6/7)) and (√(6/7), ∞), and the open interval where f(x) is concave down is (-√(6/7), √(6/7)). The inflection points occur at x = -√(6/7) and x = √(6/7).

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The f(x) is concave up on the interval (-∞, √(6/7)) U (√(6/7), ∞),f(x) is concave down on the interval (-√(6/7), √(6/7)) ,The inflection points occur at x = -√(6/7) and x = √(6/7).

What is inflection Point?

An inflection point is a point on a curve where the concavity changes, from concave up to concave down or vice versa, indicating a change in the curvature of the curve.

According to the given information:

To determine the intervals where f(x) is concave up or down, we need to find the second derivative of f(x) and determine its sign.

First, we find the first derivative of f(x):

f'(x) = (14x)/(7x²+6)²

Then, we find the second derivative of f(x):

f''(x) = [28(7x²+6)²- 28x(7x²+6)(4x)] / (7x²+6)^4

Simplifying the expression, we get:

f''(x) = 28(4x² - 72) / (7x^2+6)³

To determine where f(x) is concave up or down, we need to find the intervals where f''(x) is positive or negative, respectively.

Setting f''(x) = 0, we get:

42x² - 72 = 0

Solving for x, we get:

x = ±√(6/7)

These are the possible inflection points of f(x). To determine if they are inflection points, we need to check the sign of f''(x) on both sides of each point.

We can use a sign chart to determine the sign of f''(x) on each interval.

Intervals where f''(x) > 0 are where f(x) is concave up, and intervals where f''(x) < 0 are where f(x) is concave down.

Here is the sign chart for f''(x):

x  |   -∞   | -√(6/7) | √(6/7) |   ∞

f''(x)|   -    |     +      |     -     |   +

From the sign chart, we can see that:

a) f(x) is concave up on the interval (-∞, √(6/7)) U (√(6/7), ∞).

b) f(x) is concave down on the interval (-sqrt(6/7), √(6/7)).

c) The inflection points occur at x = -√(6/7) and x = √(6/7).

Therefore, the open intervals where f(x) is concave up are (-∞, -√(6/7)) and (√(6/7), ∞), and the open interval where f(x) is concave down is (-√(6/7), √(6/7)). The inflection points occur at x = -√(6/7) and x = √(6/7).

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Answer:

Step-by-step explanation:

The distance formula is

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

x1 is a,

x2 is 0,

y1 is 0 and

y2 is b. Fitting those into the formula where they belong:

[tex]d=\sqrt{(0-a)^2+(b-0)^2}[/tex] and

[tex]d=\sqrt{(-a)^2+(b)^2}[/tex]

Since a negative squared is a positive, then

[tex]d=\sqrt{a^2+b^2}[/tex]

which is the second choice down.

If no accessories are sold, $3 will be paid out. In the event that accessories are sold, the compensation is $2.00 plus $1.00 plus 1.5 percent of their worth.

Based on the information given, the KPI payouts are:

$1.00 for each Prepaid Ring-out Only

$2.00 for each Prepaid Activation

1.5% of the value of each Accessories sale

$1.00 for each Equipment Protection sale

We need to know the values of the prepaid activation and equipment protection in order to compute the payment for activating a prepaid device with equipment protection. Assume that the equipment protection is worth $Y and the prepaid activation is worth $X.

The following would be the total payment for activating a prepaid device with equipment protection:

Payout = $2.00 (for activation) + $1.00 (for equipment protection) + 1.5% (of the value of accessories sold)

If no accessories are sold, the payout would be:

Payout = $2.00 + $1.00

= $3.00

If accessories worth $Z are also sold, the payout would be:

Payout = $2.00 + $1.00 + 1.5% of $Z

= $2.00 + $1.00 + 0.015Z

So the payout for activating a prepaid device with equipment protection depends on the value of the accessories sold.

Therefore,  If no accessories are sold, the payout is $3.00. If accessories are sold, the payout is $2.00 + $1.00 + 1.5% of the value of the accessories sold.

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the simplified form of the equation 6Y + 4 = 8 + 2Y + 2Y is Y = 2.

How to solve the question ?

To simplify the equation 6Y + 4 = 8 + 2Y + 2Y, we can combine like terms. Like terms are terms that have the same variable and the same exponent. In this case, we have two terms with Y as the variable, so we can combine them.

First, let's add the 2Y terms on the right side of the equation: 6Y + 4 = 8 + 4Y

Next, we can subtract 4Y from both sides of the equation to isolate the variable on one side: 6Y - 4Y + 4 = 8

Simplifying further, we can combine the Y terms: 2Y + 4 = 8

Finally, we can subtract 4 from both sides to isolate the variable: 2Y = 4

And we can solve for Y by dividing both sides by 2: Y = 2

Therefore, the simplified form of the equation 6Y + 4 = 8 + 2Y + 2Y is Y = 2.

In summary, to simplify an equation, we want to combine like terms and isolate the variable on one side of the equation. Once we have the variable on one side, we can solve for its value.  

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Step-by-step explanation:

Vertex at  -4,3 would result in vertex form of parabola  

g(x) = (x+4)^2 + 3

The amount of payment to be made into the sinking fund is approximately $71,207.16, using the compound interest formula.

What is compound interest?

Compound interest is the interest calculated not only on the initial principal amount of a loan or investment but also on the accumulated interest from previous periods. In other words, it is interest that is added to the original amount (principal), and then interest is calculated on the new total (principal + accumulated interest) for subsequent periods.

According to the given information:

To find the amount of payment to be made into a sinking fund, we can use the formula for compound interest:

A = P(1 + r/n)ⁿt

where:

A = the accumulated amount

P = the payment made at each period

r = the annual interest rate (expressed as a decimal)

n = the number of compounding periods per year

t = the number of years

In this case, we have:

A = $85,000 (the accumulated amount)

r = 8% per year, compounded semiannually, so r = 0.08/2 = 0.04 (since there are two compounding periods in a year)

n = 2 (since the interest is compounded semiannually)

t = 4.5 years

Plugging these values into the formula, we get:

$85,000 = P(1 + 0.04/2)⁹

Now we can solve for P by dividing both sides of the equation by (1 + 0.04/2)^(2 * 4.5):

P = $85,000 / (1 + 0.04/2)⁹

P = $85,000 / (1.02)⁹

P = $85,000 / 1.193

P ≈ $71,207.16

So, the amount of payment to be made into the sinking fund is approximately $71,207.16.

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Answer:

The answer is 2√10

Step-by-step explanation:

Hyp²=opp²+adj²

let hyp be x

x²=6²+2²

x²=36+4

x²=40

square root both sides

√x²=√40

x=2√10

An observation is considered an outlier if it is below 35.5 or above 79.5 in this dataset.

To determine the outliers in a dataset using the five-number summary, we need to calculate the interquartile range (IQR), which is the difference between the third quartile (Q3) and the first quartile (Q1).

IQR = Q3 - Q1

Where

Q1 = 52

Q3 = 63

So, we have

IQR = 63 - 52

IQR = 11

An observation is considered an outlier if it is:

Below Q1 - 1.5 × IQR

Above Q3 + 1.5 × IQR

Substituting the values, we get:

Below 52 - 1.5 × 11 = 35.5

Above 63 + 1.5 × 11 = 79.5

Therefore, an observation is considered an outlier if it is below 35.5 or above 79.5 in this dataset.

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We can see that the choice falls within the range of (A) less than 1 hour. Therefore, the answer is (A), Kristen spends less than 1 hour .

Finding the value of a single unit using the unitary technique allows us to determine the value of the necessary number of units based on this value.

To find out approximately how much time Kristen spent gardening each day, we can divide the total time she spent gardening by the number of days she gardened.

Total time = 4 hours

Number of days = 7

So, Kristen spent approximately 4/7 = 0.57 hours or about 34 minutes each day gardening.

Since the answer choices are in ranges, we can see that this falls within the range of (A) less than 1 hour. Therefore, the answer is (A).

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The control group for the experiment would be option C: some plants will receive no sunlight.

The control group in an experiment is the group that does not receive the treatment or intervention being tested, so that the effects of the treatment can be compared to a baseline or reference point. In this experiment, the treatment being tested is the provision of sunlight as an energy source for plant growth.

Therefore, the control group should not receive sunlight, so that the effects of sunlight can be compared to the baseline of plant growth without sunlight.

Therefore, the control group for the experiment would be option C: some plants will receive no sunlight.

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After five years of investing $100 at a 3% annual interest rate compounded twice, the total amount is $116.18.

What is principle?

The whole sum borrowed (or invested), exclusive of interest and dividends.

What is compound interest?

The interest that is calculated using both the principal and the interest that has accrued during the previous period is called compound interest. It differs from simple interest in that the principal is not taken into account when determining the interest for the subsequent period with simple interest. Compound interest is commonly abbreviated C.I. in mathematics.

The formula for the amount A accumulated after investing a principle P for t years at an annual interest rate r compounded k times per year is:

A = P * [tex](1 + r/k)^{(k*t)}[/tex]

Substituting the given values into this formula, we have:

A = $100 *[tex](1 + 0.03/2)^(2*5)[/tex]

A = $100 * [tex](1 + 0.015)^{10}[/tex]

A = $100 * 1.161834...

A = $116.18 (rounded to the nearest cent)

Therefore, the amount accumulated after investing a principle of $100 for 5 years at an interest rate of 3% compounded twice a year is $116.18.

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Since the calculated F-value of 0.555 is less than the critical value of 4.025, we fail to reject the null hypothesis.

A null hypothesis is a statement that establishes the equality of two expressions and frequently includes variables, constants, and mathematical operations.

The equal sign (=) is used to denote the space between the two sides, which are referred to as the left-hand side (LHS) and the right-hand side (RHS).

To test the given hypothesis, we will use the F-test for two variances.

The null and alternative hypotheses are:

H0: σ1² = σ2² (no difference in population variances)

Ha: σ1² > σ2² (population variance of first group is greater than that of second group)

The test statistic is calculated as:

F = s1² / s2²

Where s1² and s2² are the sample variances of the two groups.

The degrees of freedom for the F-distribution are df1 = n1 - 1 and df2 = n2 - 1.

Using the given sample information, we have:

n1 = 10, n2 = 11

s1² = 562, s2² = 1013

Therefore, the test statistic is:

F = s1² / s2² = 562 / 1013 = 0.555

The degrees of freedom are df1 = 9 and df2 = 10.

Using a significance level of α = 0.01 and the F-distribution tables or a calculator, the critical value for the right-tailed test with df1 = 9 and df2 = 10 is 4.025.

Since the calculated F-value of 0.555 is less than the critical value of 4.025, we fail to reject the null hypothesis. There is not enough evidence to conclude that the population variance of the first group is greater than that of the second group at a significance level of α = 0.01.

We can conclude that there is not enough evidence to support the claim that σ1² > σ2².

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The probability that the mean amount of cereal x-bar in 5 randomly selected boxes is at most 9.65 is 0.0001.

Probability simply means the chance that a particular thing or event will happen. It is the occurence of likely events. It is simply the area of mathematics that deals with the numerical estimates of the chance that an event will occur or that a particular statement is true.

Mean μ=9.70

Sample size=n=5

standard deviation=σ = 0.03

Now in order to use the table we have to to figure out z value.

z=(x-μ)/σ

z=(9.65-9.70)/0.0134

z=-3.73

From the probability index tables, so P(z≤-3.73)=0.0001

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Measure of angle  ∠R = 55° , Measure of ∠S = x+10 =55+10 = 65°, Measure of ∠T = x+5= 55 + 5 =60°

Recall that a triangle is a three-sided polygon that consists of three edges and three vertices.

Since we have given that RST is a triangle,

Angle S is 10° greater than angle R and

angle T us 5° less than Angle S

Let the measure of ∠R be 'x'.

Let the measure of ∠S be 'x+10'

Let the measure of ∠T be 'x+10-5'='x+5'

As we know that "Sum of all angles in triangle is 180°.

So, it becomes,

∠R + ∠S + ∠T =180°

x + x + 10 + x + 5 = 180

3x +15 = 180

3x = 180-15

3x = 165

x = 165/3

x =55

So, Measure of ∠R = 55°

Measure of ∠S = x+10 =55+10 = 65°

Measure of ∠T = x+5= 55 + 5 =60°

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Using equations, we can find that the number of pop tarts that Taylor has with him, p = 13.

An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values. as in 3x + 5 = 15, for example. There are many different types of equations, including linear, quadratic, cubic, and others.

Let the cost of one granola bar = x.

Let the cost of one pop tart = y.

Now, assume Taylor had money, m.

So, as per the question:

90x = m

⇒ x = m/90

78y = m

⇒ y = m/78

75x + py = m

Substituting the values of x and y:

⇒ 75 × m/90 + p × m/78 = m

⇒ 75m/90 + pm/78 = m

⇒ (5850m + 90pm) / 7020 = m

⇒ 5850m + 90pm = 7020m

⇒ 90pm = 7020m - 5850m

⇒ 90pm = 1170m

⇒ p = 1170m/90m

⇒ p = 13.

Therefore, the number of pop tarts, p = 13.

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Therefore, it will take 173 months to pay off the loan, or approximately 14 years and 5 months.

A percentage is a way of expressing a number as a fraction of 100. The symbol for a percentage is "%". For example, 50% is the same as 50/100 or 0.5 as a decimal. Percentages are often used to express a portion or share of a whole. For instance, if you scored 90% on a test, it means you got 90 out of 100 possible points. In finance, percentages are commonly used to express interest rates, returns on investments, or changes in stock prices.

First, we need to convert the monthly interest rate from a percentage to a decimal by dividing by 100.

0.25% / 100 = 0.0025

Now we can plug in the values into the formula:

N= (-log⁡ (1-0.0025*70000/250))/ (log⁡ (1+0.0025))

Simplifying the equation in the parentheses:

N= (-log⁡ (1-175))/ (log⁡ (1.0025))

N= (-log⁡ (0.9964))/ (0.002499)

N= 172.9

Rounding up to the nearest whole number since we can't make partial payments:

N= 173

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Therefore, the answer is (A) 7x-9 when it is given that function F(x) = 4x - 8 and g(x) = -3x + 1.

In mathematics, a function is a relationship between two sets of values, where each input (or domain element) is associated with a unique output (or range element). In other words, a function is a rule or a process that takes an input (or inputs) and produces a corresponding output. Functions can be expressed using various mathematical notations, such as algebraic formulas, graphs, tables, or even verbal descriptions. They are widely used in many fields of mathematics, science, engineering, economics, and computer science, to model and solve problems that involve relationships between variables or quantities.

Here,

To find (f - g)(x), we need to subtract g(x) from f(x), so we get:

(f - g)(x) = f(x) - g(x)

Substituting the given functions, we get:

(f - g)(x) = (4x - 8) - (-3x + 1)

Simplifying the expression by distributing the negative sign, we get:

(f - g)(x) = 4x - 8 + 3x - 1

Combining like terms, we get:

(f - g)(x) = 7x - 9

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The radius of the circular base of the smaller cylinder is approximately 0.625 centimeters.

The surface area is the area occupied by a two-dimensional flat surface. It has a square unit of measurement. The surface area of a three-dimensional object is the space taken up by its outer surface.

The ratio of the surface areas of two similar cylinders is equal to the square of the ratio of their corresponding radii. Let r be the radius of the circular base of the smaller cylinder. Then we have:

(surface area of larger cylinder) / (surface area of smaller cylinder) = (r_l / r)² = 16/25

where r_l is the radius of the circular base of the larger cylinder.

We know that r_l = 0.5 cm, so we can solve for r:

(r_l / r)² = 16/25

(0.5 / r)² = 16/25

0.25 / r² = 16/25

r² = 0.25 * 25 / 16

r² = 0.390625

r = √(0.390625) ≈ 0.625

Therefore, the radius of the circular base of the smaller cylinder is approximately 0.625 centimeters.

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Answer:

It is irrational, because the product of an irrational number and a rational number is irrational.

Step-by-step explanation:

sqrt 27 is  irrational =5.19615.......

3 is rational

  subtracting 3 from the irrational number just creates a smalller irrational number    ....then multiplying by 9 just creates a larger irrational number

Answer:

y = 1/28(x²)

Step-by-step explanation:

Not totally sure about this, but here's what I think is the answer:

focus (0,7)

directrix y = -7

Always a good idea to plot the point (0,7) and the line y = -7 so you can visualize what the parabola looks like.

From the graph, you can see that p = 7  (halfway between the focus and the directrix).

The vertex of this parabola is (0,0), which are your (h, k) values.  You can see that from the graph.  The parabola opens UP.

4p(y-k) = (x-h)²  →  4p(y-0) = (x-0)²

4py = x²

y = x²/4p = x²/4(7) = x²/28

y = 1/28(x²)

sorry if this isn't the right answer, but I tried  (I'm not a paid expert, just a fellow student trying to learn math)!

Answer:

We can use the formula for simple interest to solve this problem:

I = Prt

where I is the amount of interest earned, P is the principal (the initial amount invested), r is the annual interest rate (as a decimal), and t is the time (in years).

In this problem, we know that P = $6,000, r = 0.08, and I = $1,680. We want to find t, the time required to earn $1,680 in interest.

Substituting these values into the formula, we get:

$1,680 = $6,000 x 0.08 x t

Simplifying and solving for t, we get:

t = $1,680 / ($6,000 x 0.08) = 3.5 years

Therefore, it will take 3.5 years for $6,000 invested at 8% interest to earn $1,680 in interest.

a. There are twelve unique pentominos possible in all.

b. In total, only 6 pentominos have the refection symmetry.

What is a pentomino?

A pentomino is an order 5 polyomino, or a plane polygon formed of 5 identical squares joined edge to edge. This is just linked with a certain arrangement of squares.

a. There are twelve unique pentominos possible in all which on reflection and rotation can create multiple more pentominos.

b. In total, 6 pentominos have refection symmetry which means that now the total pentominos are 18 of which 6 have reflection symmetry.

Hence, the required solution has been obtained.

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