4 Caylin is doing an experiment.
She is studying a cell that adds
three every hour. She started
the experiment with 24 cells.
How many cells are there at
the end of 24 hours?

Answer:

942.48 meters

Step-by-step explanation:

The circumference of a circle can be calculated using the formula:

Circumference = π * Diameter

where π (pi) is a mathematical constant approximately equal to 3.14159.

Given a diameter of 300 meters, we can calculate the circumference as follows:

Circumference = 3.14159 * 300

Circumference ≈ 942.48 meters

Therefore, the circumference of a circular amphitheater with a diameter of 300 meters is approximately 942.48 meters.

The diameter of the wheel is approximately 45 cm.

To find the diameter of the wheel, we need to determine the circumference of the wheel using the number of revolutions and the distance traveled. The formula for the circumference of a wheel is given by:

Circumference = 2πr

where r is the radius of the wheel. Since we need to find the diameter, we can substitute r with d/2, where d is the diameter. The formula becomes:

Circumference = πd

We are given that the wheel completes 25 revolutions and travels about 35.325 meters. The distance traveled in one revolution is equal to the circumference of the wheel. Let's calculate the circumference of the wheel first:

Circumference = 35.325 m / 25 = 1.413 m

Now we can equate this to πd and solve for d:

1.413 = πd

To find the diameter, we divide both sides of the equation by π:

d = 1.413 / π ≈ 0.449 m

Finally, to convert the diameter to centimeters, we multiply by 100:

d ≈ 0.449 m * 100 ≈ 44.9 cm

Rounding this value to the nearest centimeter, the diameter of the wheel is approximately 45 cm.

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The conversion of 2553 base 10 to base 7 is 10305 base 7.

We are given that;

The value= 2553 base 10

Now,

To convert 2553 base 10 to base 7, we need to divide 2553 by 7 repeatedly and write down the remainders. The final answer will be the remainders read from bottom to top. Here are the steps:

Divide 2553 by 7. The quotient is 364 and the remainder is 5. Write down 5.

Divide 364 by 7. The quotient is 52 and the remainder is 0. Write down 0 below 5.

Divide 52 by 7. The quotient is 7 and the remainder is 3. Write down 3 below 0.

Divide 7 by 7. The quotient is 1 and the remainder is 0. Write down 0 below 3.

Divide 1 by 7. The quotient is 0 and the remainder is 1. Write down 1 below 0.

Therefore, by conversion the answer will be 10305 base 7.

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Jamal's Net Monthly Income (NMI) is $431.40.

We need to calculate his gross income and all the monthly deductions first.

Gross Income = Hourly Rate x Total Hours Worked = $8.75/hour x 63 hours = $551.25

Monthly Federal Income Tax = Gross Income x Federal Tax Rate = $551.25 x 0.10 = $55.125

Monthly Social Security (FICA) = Gross Income x FICA Rate = $551.25 x 0.062 = $34.13625

Monthly Medicare = Gross Income x Medicare Rate = $551.25 x 0.0145 = $7.987625

Monthly State Tax = Gross Income x State Tax Rate = $551.25 x 0.04 = $22.05

Monthly Local Tax = Gross Income x Local Tax Rate = $551.25 x 0.001 = $0.55125

Monthly Federal Income Tax + Monthly Social Security (FICA) + Monthly Medicare + Monthly State Tax + Monthly Local Tax = Total Monthly Deductions

= $55.125 + $34.13625 + $7.987625 + $22.05 + $0.55125

= $119.85

Net Monthly Income (NMI) = Gross Income - Total Monthly Deductions

= $551.25 - $119.85

= $431.40

Therefore, Jamal's Net Monthly Income (NMI) is $431.40.

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The minimum number of times Johnny needs to use to the wheelbarrow until the delivery truck is filled up to 70%, whereby the shape of the truck is a rectangular prism is about 41 times

A rectangular prism is a three dimensional geometric figure with three pairs of parallel facing sides, and perpendicular adjacent faces.

Whereby the wheelbarrow and the truck are rectangular prisms, we get;

The dimensions of the wheel barrow are;

2 feet by 3 feet by 1.5 feet

The dimensions of the truck are;

11 feet by 8 feet by 6 feet

The amount of soil John puts in the truck = 70% of the volume of the truck

Therefore;

The amount of soil John puts in the truck = 11 feet × 8 feet × 6 feet × 70%

11 feet × 8 feet × 6 feet × 70% = 528 ft³ × 70% = 369.6 ft³

The number of times to use the wheelbarrow, n, is therefore;

n = 369.6 ft³ ÷ (2 ft × 3 ft × 1.5 ft) ≈ 41.0

The minimum number of times Johnny needs to use the wheelbarrow until the delivery truck is 70% filled is therefore 41  = 41 times

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The y-intercept of the line [tex]y = -5x \ is \ 0[/tex].

The equation of a line in slope-intercept form is given by [tex]$y = mx + b$[/tex], where [tex]$m$[/tex] represents the slope and [tex]$b$[/tex] represents the y-intercept. In the equation [tex]$y = -5x$[/tex], the coefficient of [tex]x \ \ is \ -5[/tex], which represents the slope of the line.

To find the y-intercept, we set [tex]$x$[/tex] equal to [tex]$0$[/tex] and solve for [tex]$y$[/tex]. Substituting [tex]$x = 0$[/tex] into the equation gives us [tex]$y = -5(0) = 0$[/tex].

Hence, the y-intercept of the line [tex]y = -5x \ is \ 0[/tex]. In the graph, the line passes through the origin [tex]$(0,0)$[/tex], indicating that it intersects the y-axis at [tex]$y = 0$[/tex]. This means the line passes through the point [tex]$(0, 0)$[/tex] on the coordinate plane. The y-intercept is the point at which the line crosses the y-axis.

The y-intercept is a crucial point on a line as it helps determine its starting position on the y-axis. In the graph, you can visually observe that the line passes through the origin, confirming the y-intercept of [tex]$0$[/tex].

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The height of the can is approximately 23.33 cm.

We have,

The formula for the surface area of a cylinder.

S = 2πr² + 2πrh

where S is the surface area, r is the radius, h is the height, and π is pi (approximately 3.14).

In this case, we know that the diameter of the can is 6 cm, which means that the radius is half of that or 3 cm.

We also know that the surface area is 140 square centimeters.

So,

140 = 2π(3²) + 2π(3)(h)

Simplifying:

140 = 18π + 6πh

Dividing both sides by 6π:

23.333... = h

Rounding to the nearest hundredth:

h ≈ 23.33 cm

Therefore,

The height of the can is approximately 23.33 cm.

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The solution to the given logarithmic expression is: x = 111.63

The logarithmic form of expression is written as [tex]log_{a} c = b[/tex]. This is simply a rearrangement of the specific exponential form, aᵇ = c. Thus, we can say that exponential equation could be written as a logarithm.

We want to solve the logarithmic expression given as:

log x = [tex]\frac{log 27}{log 5}[/tex]

log x = [tex]\frac{log 3^3}{log 5}[/tex]

log x = [tex]\frac{3 log 3}{log 5}[/tex]

log x = 2.0478

x = [tex]10^{2.0478}[/tex]

x = 111.63

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Answer:

We want to test the null hypothesis that the proportion of children aged 8-12 who have cell phones is 0.58, against the alternative hypothesis that the proportion is less than 0.58.

The sample proportion is:

p = 460/822 = 0.559

The sample size is n = 822.

Under the null hypothesis, the test statistic follows a standard normal distribution. The test statistic is:

z = (p - P0)/sqrt(P0(1 - P0)/n)

where P0 is the hypothesized proportion under the null hypothesis.

Substituting the values we obtained, we get:

z = (0.559 - 0.58)/sqrt(0.58(1 - 0.58)/822) = -1.691

The critical value for a one-tailed test with a significance level of 0.10 and 821 degrees of freedom is -1.282. Since the test statistic (-1.691) is less than the critical value (-1.282), we reject the null hypothesis.

Therefore, we can conclude that there is sufficient evidence to support the claim that less than 58% of children aged 8-12 have cell phones.

Hope that is what you are looking for :).

The perimeter of this solid is 72 cm.

In Mathematics and Geometry, the perimeter of a triangle can be calculated by using this mathematical equation:

P = a + b + c

Where:

Since the shape was formed by combining four (4) of these triangles, we can logically deduce the following side lengths;

Side length = 12 - 9 = 15 - 12

Side length = 3 cm.

Therefore, the perimeter of this solid can be calculated as follows;

Perimeter of solid = 4(15) + 4(3)

Perimeter of solid = 60 + 12

Perimeter of solid = 72 cm.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

g(x) shifts the graph vertically upward by 4 units,h(x) shifts the graph horizontally to the left by 7 units,k(x) scales the graph vertically by a factor of 20 and shifts it vertically upward by 10 units and m(x) compresses the graph horizontally by a factor of 1/4 and shifts it horizontally to the right by 1 unit.

To describe the graph of each function in terms of the graph of f(x) = 5 sin(x), we will analyze how each transformation affects the original graph.

1. g(x) = 5 sin(x) + 4:

Adding a constant value of 4 to the function f(x) shifts the graph vertically upward by 4 units. The amplitude and period of the graph remain the same.

2. h(x) = 5 sin(x + 7):

Adding a constant value of 7 inside the sine function causes a horizontal shift to the left by 7 units. This means the graph is shifted 7 units in the opposite direction of the sign (left in this case). The amplitude and period remain unchanged.

3. k(x) = 20 sin(x) + 10:

Multiplying the entire function by a constant of 20 scales the graph vertically, stretching it vertically by a factor of 20. Additionally, adding a constant value of 10 shifts the graph vertically upward by 10 units.

The amplitude remains the same, but the graph is vertically elongated and shifted upward.

4. m(x) = 5 sin(4x - 1):

Inside the sine function, the value of 4 stretches the graph horizontally by a factor of 1/4. This results in a shorter period, meaning the graph oscillates more frequently.

The value of -1 inside the sine function causes a horizontal shift to the right by 1 unit. Therefore, the graph is compressed horizontally and shifted 1 unit to the right. The amplitude remains the same.

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Step-by-step explanation:

Area = 12 ft x 12 ft = 144 ft^2

Cost =  144 ft^2  *  $ 4/ ft^2 = $ 576

The equation of the line in the graph passing through the points (-2,1) and (6,7) is  [tex]y = \frac{3}{4}x + \frac{5}{2}[/tex].

The slope-intercept form is expressed as;

y = mx + b

Where m is slope and b is the y-intercept.

From the graph, the line passes through point (-2,1) and (6,7).

First, we determine the slope:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1} \\\\m = \frac{7 - 1}{6-(-2)} \\\\m = \frac{6}{6+ 2} \\\\m = \frac{6}{8} \\\\m = \frac{3}{4}[/tex]

Now, plug the slope m = 3/4 and point (-2,1) into the point-slope form:

( y - y₁ ) = m( x - x₁ )

[tex]y - 1 = \frac{3}{4}(x - (-2)) \\\\y - 1 = \frac{3}{4}(x + 2)\\\\y - 1 = \frac{3}{4}x + \frac{3}{2} \\\\y = \frac{3}{4}x + \frac{3}{2} + 1\\\\y = \frac{3}{4}x + \frac{5}{2}[/tex]

Therefore, the euation of the line is [tex]y = \frac{3}{4}x + \frac{5}{2}[/tex].

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Answer:

10

Step-by-step explanation:

the answer is in the question

[tex]\huge\mathcal{\fcolorbox{Aqua}{azure}{\red{➳Answer}}}[/tex]

Base of the Parallelogram=14m

Height of the Parallelogram=8m

∴ Are of the Parallelogram= Base × height

= (14×8) sq. m

=112 sq.m

Now,

Diameter of the circle (unshaded portion)=8m

Radius of the circle= Diameter/2 =8/2 m= 4m

So, radius=4m

∴ Area of the circle = πr²

=(22/7 × 4 × 4)sq.m

=352/7 sq.m

=50.2857 sq.m

=50.286 sq.m

∴ Are of the Unshaded portion= Are of the Parallelogram - Area of the circle

=(112-50.286) sq.m

= 61.714 sq.m (Ans)

∴The area of the shaded portion is 61.714 sq.m

Hope it helps you

[tex]\red{\rule{200pt}{5pt}}[/tex]

[tex]\bold{Thank ~you~:)}[/tex]

___________________________________

Given:-

Base of the Parallelogram=14m

Height of the Parallelogram=8m

∴ Are of the Parallelogram= Base × height

= (14×8) sq. m

=112 sq.m

Now,

Diameter of the circle (unshaded portion)=8m

Radius of the circle= Diameter/2 =8/2 m= 4m

So, radius=4m

∴ Area of the circle = πr²

=(22/7 × 4 × 4)sq.m

=352/7 sq.m

=50.2857 sq.m

=50.286 sq.m

∴ Are of the Unshaded portion= Are of the Parallelogram - Area of the circle

=(112-50.286) sq.m

= 61.714 sq.m (Ans)

∴The area of the shaded portion is 61.714 sq.m

___________________________________

Make the above person as brainlist :)

The  circle is:[tex]x^2+y^2 = 5^2 = 25[/tex]This circle has center (0,0) and radius 5 units. Therefore, it is a circle with a radius of 5 units, and every point that lies on the circumference of this circle is 5 units away from the center of the circle.

the distance between any point on the circle and the center of the circle is always 5 units. This is because the equation of a circle is

[tex](x-a)^2+(y-b)^2=r^2[/tex]

where the center is (a,b) and the radius is r units. In this case,

a=b=0 and r=5.

Algebraically show that the point (6, 8) lies on the circle.

To show that the point (6, 8) lies on the circle, we need to substitute the values of x and y in the equation of the circle and verify whether the equation holds true or not.So,

substituting x=6 and y=8 in the equation of the circle, we

[tex]get:6^2 + 8^2 = 36 + 64 = 100[/tex]

Now, we can see that the LHS of the equation is equal to 100, which is also equal to the square of the radius of the circle. Therefore, the point (6, 8) lies on the circumference of the circle with center (0,0) and radius 5 units.

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The residual measures the difference between the predicted and observed dosage, indicating if the customer received more or less medication than expected based on their mass.

The residual in this context refers to the difference between the predicted dosage of the medicine, based on the least-squares regression line, and the actual dosage observed for a specific customer. It indicates how much the actual dosage deviates from the expected dosage based on the customer's mass.

In the scatter plot, the residual for a particular customer represents the vertical distance between the observed data point (the actual dosage) and the regression line (the predicted dosage).

If the residual is positive, it means the observed dosage is higher than the predicted dosage, indicating that the customer received a higher dosage of the medicine than expected based on their mass.

Conversely, if the residual is negative, it means the observed dosage is lower than the predicted dosage, indicating that the customer received a lower dosage than expected based on their mass.

Interpreting the residual requires considering the magnitude of the deviation. A larger residual suggests a greater difference between the observed and predicted dosages, indicating a potentially significant variation from the regression model.

A smaller residual indicates a closer alignment between the observed and predicted dosages, suggesting that the regression model provides a more accurate estimation.

Overall, analyzing the residuals helps assess the effectiveness of the regression model in predicting the dosage of the medicine based on customer mass and identifies any outliers or discrepancies in the data that may need further investigation.

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Answer:

Step-by-step explanation:

hoop 132

Answer:(-4,0) (2,0)

Step-by-step explanation:

the points will be (-4,0) & (2,0) while the parabola is concave up

Answer: The total cost will be equal to $2839.16. The expression to calculate the total cost is 119.92(m)+81=C(t).

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that a person buys a phone for ​$81 and signs up for a​ single-line phone plan with 2000 monthly anytime minutes. The plan costs ​$119.92 per month.

The expression will be formed as below:-

119.92(m)+81=C(t)

119.92(23)+81=C(t)

2839.16=C(t)

Therefore, the total cost will be equal to $2839.16.

Answer: Given as (x, y) in order from top to bottom: (16, 4); (8, 2); (36, 9)

Step-by-step explanation:

   Since we need to solve for x, we will solve this equation for x first.

Given:

   y = [tex]\frac{x}{4}[/tex]

Multiply both sides of the equation by 4:

   4y = x

   Next, for each given y-value, we will substitute into the given rule we transformed and solve.

   4y = x

   4(4) = 16

   4y = x

   4(2) = 8

   4y = x

   4(9) = 36

Answer:

16

8

36

Step-by-step explanation:

move the /4 to H other side and you get y*4=x,

now put the number on the table and multiply by 4 to get X, for each value,

The research question is whether there is a significant relationship between GPA and the four variables, and the assumption of normality is tested by creating a descriptive statistics table with skewness and kurtosis values to determine if the variables follow a normal distribution.

Research question: Is there a significant relationship between GPA and the four variables (variable names not provided)?

Null hypothesis (H0): There is no significant relationship between GPA and the four variables.

Alternative hypothesis (Ha): There is a significant relationship between GPA and the four variables.

Step 2: Testing Assumptions - Normality

Research question: Is the assumption of normality violated for the four variables?

Null hypothesis (H0): The distribution of the four variables follows a normal distribution.

Alternative hypothesis (Ha): The distribution of the four variables does not follow a normal distribution

Next, you are instructed to create a descriptive statistics table in statistical software to assess normality. The table should include the four variables, along with their skewness and kurtosis values. Once you have created the table, you should paste it into the DAA Template.

After pasting the table, you will interpret the skewness and kurtosis values. Skewness measures the symmetry of the distribution, where a skewness value of 0 indicates perfect symmetry.

Positive skewness indicates a right-skewed distribution, while negative skewness indicates a left-skewed distribution. Kurtosis measures the peakedness or flatness of the distribution, with a kurtosis value of 3 indicating a normal distribution.

Positive kurtosis indicates a more peaked distribution (leptokurtic), while negative kurtosis indicates a flatter distribution (platykurtic).

Based on the skewness and kurtosis values, you will determine whether the assumption of normality is violated or not violated for the four variables.

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The x-intercept of the given line is (-10, 0). The y-intercept is determined as (0, -45).

The y-intercept is the point at which the line crosses the y-axis. Geometrically, it speaks to the esteem of the subordinate variable (as a rule signified as y) when the autonomous variable (more often than not indicated as x) is rise to to zero.

On the other hand, the value of x when y is equal to zero, is referred to as the x-intercept of the line.

The x-intercept of the line shown in the image above is (-10, 0), while the y-intercept is (0, -45).

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Answer: -4x^2-x+15

Step-by-step explanation:

Combine like terms: 2x^2 and -6x^2 combine to -4x^2.

Combine like terms: -4x and 3x combine to -x.

Combine like terms: 8 and 7 combine to 15.

The simplified expression is -4x^2-x+15.

2081 is the estimated population of the deer as per the given table.

We assume that the characteristics of the sample of the deer population match the characteristics of the population as a whole. This will be the case if the sample is random: each deer is equally likely to be included in the sample.

So, if 85 of the 110 marked deer show up in the sample, we assume that the sample is 85/110 of the entire population.

For a sample size of 1608 deer, that means the population is estimated to be ...

 1608 = 85/110 × population

 population = 1608 × 110/85 = 2081

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The product -2jk is negative if and only if either j or k is negative (but not both). Therefore, the possible conditions for j and k are:

j < 0 and k > 0

j > 0 and k < 0

For the expression -2jk to be negative, at least one of the factors j or k must be negative, since the product of two positive numbers is always positive, and the product of two negative numbers is positive as well. Therefore, the possible conditions for j and k are:

j is negative and k is positive.

j is positive and k is negative.

In other words, if j and k have opposite signs, their product will be negative. However, if both j and k are positive or both are negative, their product will be positive. It's important to note that there are infinite possibilities for j and k that satisfy these conditions, since j and k can take on any real value as long as one is negative and one is positive.

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The third point so the hypotenuse of the triangle has a length of 13 could be; (-4, 2)

We are given Pythagoras' theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.

|[tex]AC|^2 = |AB|^2 + |BC|^2[/tex]

we know that 5, 12, 13 is a Pythagorean triple;

[tex]c^2-a^2=b^2[/tex]

[tex]13^2-5^2=b^2[/tex]

[tex]169-25=b^2[/tex]

[tex]144=b^2[/tex]

12=b

The point so the hypotenuse of the triangle has a length of 13 is (-4, 2)

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