Estimate: 48 divided by 7

Answer:

A) (4,1)

B) (2,-1)

Answer: x>10

Step-by-step explanation:

X-5 > 25-20

x-5+5>5+5

x>5+5

x>10

Answer:

The answer is C

Step-by-step explanation:

First there are 2x first then there are other x's then two 1 equals 2

The values compared to the greatest :

-2 1/4,-1 1/4,-1 3/4, 1/4

Comparing and ordering fractions is an essential part of developing a sense of numbers. This is also an essential skill to have when facing practical questions, such as:

"Would you like to have {\displaystyle {\frac{3}{4}}}{\frac{3}{4 }} d 'a pizza does not, or {\displaystyle {\frac{6}{7}}}{\frac{6}{7}} of a pizza?" There are several ways to compare and order fractions. If you have a calculator, the fastest way is to convert fractions to decimals. If you don't have a calculator, you can make comparisons easily by finding a common denominator or simply using your reasoning skills and what you already know about fractions.

In this way, the given fractions are compared from largest to smallest

-2 1/4,-1 1/4,-1 3/4, 1/4

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30 is the correct value of the expression in linear equation .

What in mathematics is a linear equation?

The error starts from here- 36-10 + 4

If we are doing addition or subtraction start from left

=36−10+4

=26+4

= 30

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The measure of the smaller angle is 23⁰ and the measure of the larger angle is 67⁰.

When the sum of two angles is equal to 90 degrees, they are called complementary angles.

So we can say that two angles are complementary if they sum up to 90 degrees.

From the given statement;

y = 3x - 2  -------(1)

y + x = 90  --------(2) (since they are complementary)

substitute for y in equation (2)

3x - 2 + x = 90

4x = 92

x = 92/4

x = 23 ⁰

y = 3(23) - 2

y = 67⁰

Thus, the measure of the smaller angle is 23⁰ and the measure of the larger angle is 67⁰.

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Answer: 36 years old

Step-by-step explanation:

T=Tanya. M=Marcus

T=M+28

T+6=3(M+6)

T+6-6=3(M+6)-6

T=3(M+6)-6

M+28=3(M+6)-6

M+34=3M+18

34=2M+18

2M=16

M=8

T=M+28

T=8+28

T=36 years old

The current age of Tanya is equivalent to 45 years old.

Given is that Tanya is 28 years older than Marcus. In 6 years, Tanya will be three times as old as Marcus

Assume the initial age of Tanya is {x} years and that of Marcus is {y} years old. So, we can write -

x = y + 28         ....... Eq[1]

x + 6 = 3y         ........ Eq[2]

Using Eq[1] in Eq[2], we get -

y + 28 + 6 = 3y

y + 34 = 3y

2y = 34

y = 17

Than, we can write [x] as -

x = 17 + 28

x = 45

Therefore, the current age of Tanya is equivalent to 45 years old.

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Answer:

324, 900, 9

Step-by-step explanation:

When a shape has its size increased by a scale factor, the size of its lengths are multiplied by this scale factor, yet its area is actually multiplied by the scale factor squared. This is due to two lengths being multiplied to contribute to the area, not just one. If it was a volume, you would multiply by the scale factor cubed!

Onto the answer, just follow the advice above:

36 * 3^2 = 36 * 9 = 324 square inches,

36 * 5^2 = 36 * 25 = 900 square inches,

36 * 0.5^2 = 36 * 0.25 = 9 square inches.

Hope this helps :)

The length and width of the rectangle are 21cm and 19cm.

Let the dimensions be represented by x and x+2.

The perimeter of a rectangle is:

= 2(length + width)

= 2(x + x+2) = 80

2x + 2x + 4 = 80

4x + 4 = 80

4x = 80 - 4

4x = 76

Divide

x = 76/4

x = 19

Therefore, the second number will be:

= 19 + 2 = 21

The numbers are 19 and 21.

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The expression contains FOUR terms, each with TWO factors.

Expression information: In algebra, the word term defined the single numbers(10), variables(y), and the product of the two (10y).

There are four terms:

A factor is a component of a product.

Therefore, the expression contains FOUR terms, each with TWO factors.

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The correct question is given below:
Complete the statement to describe the expression ab+cd+ef+ghab+cd+ef+gha, b, plus, c, d, plus, e, f, plus, g, h. The expression consists of ----- terms, and each term contains ----- factors. Please fill in the blanks!

The answer is H, B and C; And Z, K and R

Step-by-step explanation:

H, B and C; And Z, K and R form a straight line

Expression of the rate per minute at which air freshener dispenses sprays is equal to fraction 4 over 30.

As given,

The graph represents

x-axis: Time in minutes

y-axis: Number of sprays

Ordered pairs ( 30,4) ,(60, 8) ,( 90,12), and ( 120, 16)

Consider any two points ( 90,12) ,(120 , 16)

Expression of the rate per minute=( y₂ -y₁)/(x₂ -x₁)

                                                     =( 16 - 12)/(120 -90)

                                                     = 4/30

Therefore, expression of the rate per minute at which air freshener dispenses sprays is equal to fraction 4 over 30.

The complete question is :

The graph shows the number of sprays an automatic air freshener dispenses, y, in x minutes: A graph is shown. On the x-axis, the values are from 0 till 150 in increments of 30 for each grid line, and on the y-axis, the values are from 0 to 20 in increments of 4 for each grid line. The title of the graph on the x-axis is Time in minutes, and the title on the y-axis is Number of Sprays. A line is shown connecting ordered pairs 30, 4 and 60, 8 and 90, 12 and 120,16. The title for the graph is Dispense Rate. Which expression can be used to calculate the rate per minute at which the air freshener dispenses sprays?

fraction 4 over 30

fraction 30 over 4

fraction 30 over 16

fraction 16 over 30

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The revolution per minutes of the wheels rotation is 912 rev/ min

Given the parameters;

Convert the velocity

[tex]v = 65mph = 65 mil/h - (1609m/mil0/(3600s/h)[/tex]

v = 29. 1 m/s

Let's find the circumference

Circumference = 2 π r

radius = diameter/ 2 = 0. 6096 meters/ 2 = 0. 30 meters

Circumference= 2 × 3. 142 × 0. 30 = 1. 915

Number of revolutions = 29. 1/ 1. 915 = 15.2 rev/ sec

Let's convert to rev/ min

= 15. 2 × 60

= 912 rev/ min

Thus, the revolution per minutes of the wheels rotation is 912 rev/ min

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Answer:

spam question

Step-by-step explanation:

Answer:

If you have a table of values like those above and you can find the value for f(n) . you go about finding the value of f (n-1)

Step-by-step explanation:

To solve the equation, add 18 to both sides, then divide by 6. The solution is t = 8.

A linear equation is an equation of which the highest degree of its variables is 1.

Steps to solve linear equations:

Recall that if  we subtract or add the same number to both sides of an equation, it does not change the equality.

The given problem:

Solve 6t-18 = 30

The variable is t. Isolate the variable by adding 18 to both sides:

6t -18 +18 = 30 +18

6t = 48

Divide both sides by 6

6t : 6 = 48 : 6

t = 8 (solved)

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Using complementary and supplementary angles, we have that:

c. The angles are complementary, hence the equation is 4x - 3 + 2x + 1 = 90 and the solution is x = 15.33.

d. The angles are supplementary, hence the equation is 43x + 16 + 110 = 180 and the solution is x = 18.

When the measures of two angles add to 90º, the angles are complementary.

This is the case in item c, hence:

4x - 3 + 2x + 1 = 90

6x = 92

x = 92/6

x = 15.33.

When the measures of two angles add to 180º, the angles are supplementary.

This is the case in item d, hence:

3x + 16 + 110 = 180.

3x = 54

x = 54/3

x = 18.

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The next day they will drive for about 5.5 hours

In given question, Vijay's house is 544 miles from the resort.

after 3 hours of driving, they stop and spend the night at a hotel and  then complete the rest of the trip on the second day.

Let in 3 hours of driving, they completed the 'x' miles of distance from their home.

So, they complete the rest of the trip of 544 - x miles on the second day.

Let t be the time in hours they drive on the second day.

Their average speed is 64 miles per hour.

⇒ 64 = [x + (544 - x) ] / [3 + t]

⇒ 64 = 544 / 3 + t

⇒ 64(3 + t) = 544

⇒ 192 + 64t = 544

⇒ 64t = 352

⇒ t = 5.5 hours

Therefore, The next day they will drive for about 5.5 hours

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Answer:

-2

Step-by-step explanation:

I did the math, trust me. Just input -2 into the x's and solve.

Answer:

D. x = -6

( 3x-6² - 30x-6 - 72 = 0 )

Step-by-step explanation:

So first you work out:

3x² = ( 3 x -6²) = -108

Then work out 30x = ( 30 x -6 ) = -180

-108 - -180 => 72

Then just do 72 - 72 =

Which would be 0! ☆*:.｡.o(≧▽≦)o.｡.:*☆

hope this helped! xx

Answer:

8/3 or 2 2/3 gallons

Step-by-step explanation:

1/3 of gallon covers 1/8 of a wall, therefore, the amount of pain is needed to cover the entire wall is 1/3 x 8 = 8/3 or 2 2/3 gallons

The value of the function f(-8) if f(x) = -x^2 +8x + 4 is f(-8) = -124

The equation of the function is given as

f(x) = -x^2 +8x + 4

The expression f(-8) means that x = -8

So, we have:

f(-8) = -(-8)^2 + 8(-8) + 4

Evaluate the exponent and the product

f(-8) = -64 - 64 + 4

Evaluate the sum and the difference

f(-8) = -124

Hence, the value of the function f(-8) if f(x) = -x^2 +8x + 4 is f(-8) = -124

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Answer:

440

Step-by-step explanation:

To do this problem, you have to follow the PEMDAS order.

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

We have to do 5x62 first, which is 310. Next, we multiply 6 and 33, which gets us 198. Then, we add 310 to 198, which is 508. Finally, we subtract 68 from 508 to get 440.

Hope this helps!

Have a wonderful day! :D

The expression, evaluated to the simplest form is -4

From the question, we are to simplify the given expression

The given expression is

(9² + 19)/(10² - 5³)

Simplifying the expression

(9² + 19)/(10² - 5³)

9² = 81

10² = 100

5³ = 125

Thus,

The expression becomes

(81 + 19)/(100 - 125)

= 100/-25

= -4

Hence, the expression, evaluated to the simplest form is -4

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As the angle is greater than 0° and less than 90°, then the angle ABC is acute. (Answer: A)

Herein we find the locations of the three vertices of the figure, of which we must determine the lengths of the two sides of the angle and determine the value of the angle by trigonometry:

BA = 5, BC = 2

θ = tan⁻¹ (BA / BC)

θ = tan⁻¹ (5 / 2)

θ ≈ 68.199°

As the angle is greater than 0° and less than 90°, then the angle ABC is acute. (Answer: A)

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Answer:

[tex]4.4161 \times 10 ^{2} [/tex]

[tex]4.3 \times 1027 \times 10 { \\ \\ }^{2} [/tex]

[tex]4416.1 \times 10^{2} [/tex]

[tex]4.4161 \times 10 ^{2} [/tex]

Answer: x=9

Step-by-step explanation:

x+1= 10

x-1+1=10-1

x=10-1

x=9

The fraction of the total pies remained is option (A) 23/20 is the correct answer.

In this question,

A host served two pies, one apple and one cherry.

Dinner guests ate twenty-five percent of the apple pie and sixty percent of the cherry pie.

Apple pie = 25%

∴ Remaining = 100% - 25%

⇒ 75%  

⇒ Fraction of apple pie remained is 3/4

Cherry pie = 60%

∴ Remaining = 100% - 60%

⇒ 40%

⇒ Fraction of cherry pie remained is 2/5

Thus fraction of the total pies remained is

⇒ 3/4 + 2/5

⇒ (15+8) / 20

⇒ 23/20

Hence we can conclude that the fraction of the total pies remained is option (A) 23/20 is the correct answer.

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Answer in decimal form = -0.2

Answer as a fraction = -1/5

=========================================================

Explanation:

The term "rate of change" is the same as "slope" for linear equations.

Use the slope formula to get the steps shown below.

[tex](x_1, y_1) = (-3, 3.6) \text{ and } (x_2, y_2) = (5, 2)\\\\m = \frac{y_2 - y_1}{x_2 - x_1}\\\\m = \frac{2-3.6}{5-(-3)}\\\\m = \frac{2-3.6}{5+3}\\\\m = \frac{-1.6}{8}\\\\m = \frac{-16}{80}\\\\m = -\frac{1}{5}\\\\m = -0.2\\\\[/tex]

The decimal value is exact without any rounding done to it.

A slope of -1/5 means we go down 1 unit and to the right 5 units.

slope = rise/run = -1/5

rise = -1 = go down 1

run = 5 = go to the right 5

Quadrilateral b, is not a scaled copy of Quadrilateral a.

The side length of Quadrilateral a=2,3,5, and 6.

The side length of Quadrilateral b=4,5,8 and 10

Now comparing the Ratio of the Corresponding Sides of two quadrilaterals a and b

2/4 ≠ 5/8

3/5 ≠  6/10

Since the ratio of corresponding opposite sides is not equal. The two Quadrilateral are Not Similar.

So, We can say that Quadrilateral b, is not a scaled copy of Quadrilateral a.

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If 115.2 million million households have at least one TV and  82% have basic cable TV, then the number of households have basic cable TV is

94464000.

Given,

The total number of household have at least one TV = 115.2 millions

The percentage of household have basic cable TV = 82%

Then, the number of household have basic cable TV

=115200000×[tex]\frac{82}{100}[/tex]

=94464000

Hence, if 115.2 million million households have at least one TV and  82% have basic cable TV, then the number of households have basic cable TV is 94464000.

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