Megan rides a bicycle 19 miles every 4 hours. At this rate, how many hours did Megan ride if she rode 57 miles?

Answers

Answer 1

Megan rode her bicycle for 12 hours.

Related Questions

7) What does a multiplier of $ 1.2 $ mean?

Answers

A multiplier of 1.2 means the value is multiplied or increased by a factor of 1.2.

A multiplier is a term used to represent a factor by which a value is multiplied or increased. It is a numeric value that indicates the extent of the increase or expansion of a given quantity. Multiplication by a multiplier results in scaling or changing the magnitude of the original value.

A multiplier of 1.2 indicates that a value will be increased by 20% or multiplied by a factor of 1.2. This means that when the multiplier is applied to the original value, the resulting value will be 1.2 times the original.

Answers

Answer:

80 hours

Step-by-step explanation:

sorry if I do not understand but I think that is what is being asked

Calculate the slope of the line going through A(-4,3) and B(0,6)

Answers

Answer:

3/4

Step-by-step explanation:

The slope of the line is given by

m= (y2-y1)/(x2-x1)

= (6-3)/(0 - -4)

= (6-3)/( 0+4)

3/4

this is actually a question but shhhhh, just copy it and youll get points....Drag each description to the correct location on the table. Each description can be used more than once.

Classify each polynomial based on its degree and number of terms.

cubiccubicquarticquarticquinticquinticquadraticquadraticlinearlinearmonomialmonomialmonomialbinomialbinomialbinomialtrinomialtrinomial

Answers

You already did it though.

The answer is what you got

cubiccubicquarticquarticquinticquinticquadraticquadraticlinearlinearmonomialmonomialmonomialbinomialbinomialbinomialtrinomialtrinomial

Given f(x) = log x and g(x) = -x + 1,
which is the graph of
(fog)(x)?

Answers

Answer:

the third graph is correct

Step-by-step explanation:

edge

the second part is x<1

Answer:

the third graph and the send part it is x<1

Step-by-step explanation:

an insurance company will only sell its select policy to people for whom the probability of a stroke in the next 10 years is less than 0.01. if a smoker with a systolic blood pressure of 205 applies for a select policy, under what condition will the company sell him the policy if it adheres to this standard? (round your answer to two decimal places.) this person must be no more than 125.06 incorrect: your answer is incorrect. years old to qualify for the select policy.

Answers

If the probability is less than 0.01, the policy will be sold; otherwise, it will not.

The probability of stroke in the next 10 years for a smoker with a systolic blood pressure of 205 is not given in the question. Hence, we need to use additional information to determine whether the insurance company will sell the select policy to this person.

One approach to solving this problem is to use actuarial tables, which are statistical tables used by insurance companies to determine the risk of insuring a person. Another approach is to use a predictive model that estimates the probability of stroke based on the person's risk factors such as age, smoking status, blood pressure, etc.

Assuming we have access to such information, we can calculate the probability of stroke for the smoker with a systolic blood pressure of 205. If this probability is less than 0.01, then the insurance company will sell him the select policy. Otherwise, they will not.

In summary, we need to use additional information such as actuarial tables or predictive models to determine the probability of stroke for the given person, and compare it to the company's standard of less than 0.01.

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what is the answer is what =

Answers

Answer: 6

Step-by-step explanation:

14-8=6

Answer:

the answer is 6 since it says fewer we'll be using subtraction or the minus sign so 14-8=6

find the least positive integer for which the sum of its reciprocal and 9/10 is greater than 4 times the reciprocal

Answers

Answer:

Step-by-step explanation:

You want the least positive integer x such that ...

1/x +9/10 > 4/x

9/10 > 3/x . . . . subtract 1/x

3/10 > 1/x . . . . .divide by 3

x > 10/3 . . . . . multiply by 10x/3

The least positive integer satisfying this requirement is x = 4.

someone please help, this is my last question!

Answers

Answer:

9.5

Step-by-step explanation:

Priests are religious
Fr.taps is a priest
Cunclusion?

Answers

Answer:

definition of congruent angles

am I correct lol

The conclusion from the statements is: Fr. Taps is religious

The statements are given as:

Priests are religiousFr. Taps is a priest

To derive a conclusion from the statements, we make use of the following rule of conditional statement

If a => b and b => c, then a => c

So, the conclusion from the statements is:

Fr. Taps is religious

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Which of the diagram represents the inequality x=1?

Answers

Answer: Diagram C

Reason: Any point in the shaded yellow region has an x coordinate larger than 1. Points on the dashed boundary line are not part of the solution set.

Answer:

Step-by-step explanation:

$A=x\leq 1\\ B=x\geq 1\\ C=x>1$

Hope this helps

finding the rise and the run on the graph

Answers

Answer:

rise = 4, run = 5. The slope would be 4/5

Step-by-step explanation:

You go up by four then right by 5

What is 4 less than the quotient of x and 3?

Answers

Answer:

Step-by-step explanation:

Quotient means divide. So you are dividing x by 3 written as x/3

Then you subtract 4

===== - 4

Which is NOT an example of a linear function?

A) The distance traveled if a car is driving at a constant rate of 60 miles per hour.
B) The cost of the bill if a cell phone company charges is an initial fee of $25 plus $45 per month.
C) The amount of cake each person gets to eat if a cake is divided equally among the guests at a party.
D) The amount of time spent grading papers if a teacher grades one paper every 8 minutes and takes a 10 minute break.

Answers

The answer is D see if that helps you out

PLEASE ANSWER ASAP!!
A carpenter wants to cut the largest possible ellipse from a 5 feet by 11 feet rectangular board. After the foci are located, a string is connected to them and pulled taut by a pencil in order to draw the ellipse. Find the length of the string.

Answers

Step-by-step explanation:

The largest possible ellipse will have a semi-minor axis of 2 feet and a semi-major axis of 4 feet. If we center the board on the origin of the cartesian coordinate plane, we can derive the location of the foci and thus, the length of string he will need:

x^2 / 16 + y^2 / 4 = 1

Vertices:

(-4 , 0) , (4 , 0)

(0 , -2) , (0 , 2)

we classify events into four types or categories, which vary in scale, with corresponding variations in their impacts. which scale does the masters' golf tournament belong to?

Answers

The Masters golf tournament belongs to a large scale event category, given the corresponding variations in its impacts such as attracting thousands of visitors and generating significant economic activity in the host city.

The Masters Golf Tournament belongs to a large-scale event category. Large-scale events typically have significant impacts, including attracting international attention, generating substantial economic benefits, and requiring considerable planning and resources.

In the case of the Masters Golf Tournament, it is an annual event held at Augusta National Golf Club in Georgia, USA, and it attracts professional golfers from around the world, as well as a global audience, creating corresponding variations in economic, social, and environmental impacts.

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Which angle has sides DB and DC? Select all that apply.

Answers

No, rectangle DABC is not the result of a dilation of rectangle HEFG with a center of dilation at the origin.

What is dilation?

Dilation is a geometrical transformation that changes the size of a shape or figure. It is one of the four basic transformations of geometry alongside translation, rotation, and reflection. Dilation involves resizing a shape by a scale factor and keeping its overall shape intact. The scale factor is the ratio of the size of the image to the size of the original figure.

Dilation involves a scaling of a shape, where each point on the shape is moved away from or closer to the center of dilation, proportional to its distance from the center. In this case, the angles of rectangle DABC are different from the angles of rectangle HEFG, so it is not the result of a dilation. The angles of rectangle HEFG are ∠2, ∠33, ∠EDC, whereas the angles of rectangle DABC are ∠ADB, ∠BDC, and ∠CDB.

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-2.1-[2.3-(3.5-(1.9))]
WITH AN EXPLANATION PLEASE
I WILL GIVE BRANLIEST TO FIRST CORRECT ANSWER

Answers

Answer:

-2.1

Step-by-step explanation:

in linear regression, what are we trying to forecast? a) Beta parameter
b) Dependent variable
c) Independent variable
d) Y-intercept of the linee

Answers

In linear regression, we are trying to forecast the dependent variable based on the independent variable.

Option C is the correct answer.

We have,

In linear regression, the dependent variable is the outcome variable or the response variable that we want to predict or explain, while the independent variable is the predictor variable or explanatory variable that helps us in predicting the dependent variable.

The beta parameter and y-intercept are coefficients of the linear regression equation that help in determining the relationship between the dependent and independent variables.

Thus,

In linear regression, we are trying to forecast the dependent variable based on the independent variable.

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if (2x-1) be a factor of the polynomial p(x) = kx^3 + 23x^2 + 71x + 30 then find k and hence factorize the polynomial p(x)

Answers

Answer:

k=-570

Step-by-step explanation:

P(x) = kx^3+23x^2+71x+30

If 2x-1 is a factor of p(x)

Then,

2x-1 =0

2x=1

x=1/2 and at this value, p(x) =0

Substitute x = 1/2 for x in p(x)

p(1/2) = k(1/2)^3 + 23(1/2)^2;+71(1/2)+30

k(1/8)+23/4 +71/2+30=0

k/8= -23/4 -71/2-30

k/8 = -285/4

k= -(285*8)/4

k=-570

Thus, the polynomial p(x) = -570x^3 +23x^2 +71x +30

Factorization of p(x)

(2x-1) (-285x^2 +131x-30).

the answere would be k=-570

oh and answere me :()

The length, breadth and total surface area of cuboid are 12 CM 10 CM and 592 CMsquare respectively find the height of the cuboid

Answers

The height of the cuboid is 8 cm. Answer: The height of the cuboid is 8 cm.

Let the height of the cuboid be h cm. Then, given that:Length of the cuboid = 12 cmBreadth of the cuboid = 10 cmTotal surface area of the cuboid = 592 cm²The total surface area of a cuboid is given by:Total surface area of a cuboid = 2(lb + bh + hl)Here, l = 12 cm, b = 10 cm and the total surface area of the cuboid is given as 592 cm².Thus, we have:592 = 2(12 × 10 + 10h + 12h)592 = 2(120 + 22h)592 = 240 + 44h352 = 44h8 = hh = 8

Therefore, the height of the cuboid is 8 cm. Answer: The height of the cuboid is 8 cm.

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On a Saturday, Saul can cut 4 lawns in 6 hours. If Mitch can mow lawns at the same rate, how long will it take him to

mow 9 lawns?

Answers

Answer:

13 1/2 hours

Step-by-step explanation:

4/6=9/x then find the rate and solve

Simplify: 4x(x² - 3x + 1)

Answers

Answer:

$4x\left(x^2-3x+1\right)$

$Distribute\:parentheses$

$=4xx^2+4x\left(-3x\right)+4x\cdot \:1$

$\mathrm{Apply\:minus-plus\:rules}$

$+\left(-a\right)=-a$$=4x^2x-4\cdot \:3xx+4\cdot \:1\cdot \:x$

$Simplify$

$=4x^3-12x^2+4x$----------------------------hope it helps...have a great day!!

Alyssa just accepted a job at a new company where she will make an annual salary of $68000. Alyssa was told that for each year she stays with the company, she will be given a salary raise of $2000. How much would Alyssa make as a salary after 9 years working for the company? What would be her salary after
t
t years?

Answers

a) Using the linear equation 68000 + 2000t, Alyssa would make a salary of $86,000 after 9 years of working for the company.

b) Based on the same linear equation, Alyssa's salary after t years would be 68000 + 2000t.

What is a linear equation?

A linear equation is a mathematical equation written in the form of y=mx+b.

Linear equations involve a constant and a first-order (linear) term, where m is the slope and b is the y-intercept.

The offered annual salary of Alyssa = $68,000

Annual salary raise = $2,000

The number of years Alyssa would work for the company = t years

The number of years Alyssa worked in the company = 9 years

Equation:

68000 + 2000t

68000 + 2000(9)

68000 + 18000

= 86,000

= $86,000

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Finding the rate or time in a word problem on continuous exponential growth or decay

Answers

continuous exponential growth model

$A=Pe^{r\cdot t}$

since the size of the sample doubled:

A/P = 2

r = 8.5% = 0.085

e: eurler's number = 2.71828...

therefore,

$\begin{gathered} \frac{A}{P}=e^{r\cdot t} \\ 2=e^{0.085\cdot t} \end{gathered}$

apply the law of exponents

$\ln \mleft(2\mright)=0.085t$$t=\frac{\ln\left(2\right)}{0.085}$

So, t = 8.15467...

rounding to the nearest hundred

t = 8.15

Determine the center of the circle from the equation.

x² -4x +4 +y² +6y +9 =4

A. (2,-3)
B. (0,-3)
C. (-2,3)

Answers

Answer:

A. (2, -3).

Step-by-step explanation:

The first step is to complete the square on the terms in x and the terms in y:

x² - 4x +4 +y² +6y + 9 =4

= (x - 2)² - 4 + (y + 3)² - 9 + 4 + 9 = 4

= = (x - 2)² + (y + 3)² - 9 + 9 - 4 + 4 = 4

= (x - 2)² - (y + 3)² = 4.

So the centre is at (2, -3).

Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement Number of Measurement Estimated Digit Significant Figures 14.8 m 3 ✓ Choo *4.8 Txa 14. $10.25 Choose... 0.05 L Choose 1.000 g/ml Choose.. 6200 cm Choose... 403 kg Choose Figures 14.8 m 3 Choose... $10.25 ✓ Choose... 10.35 10,2% 1x.25 NO.25 0.05L Choose. 1.000 g/ml Choose 6200 cm Choose. Choose.. 403 kg place of the estimated digit from the measurement. Number of Measurement Estimated Digit Significant Figures 14.8 m 3 Choose... $10.25 Choose... II 0.05 L ✓ Choose.. 0.x5 x.05 0.0x 1.000 g/mL Choose... 6200 cm Choose... 403 kg Choose... Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement. Number of Measurement Estimated Digit Significant Figures 14.8 m Choose... 3 $10.25 Choose... 0.05 L Choose... 1.000 g/mL Choose 1.00 1.0x0 X.000 1.200 Choose... 6200 cm Choose.. 403 kg Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement. Number of Measurement Estimated Digit Significant Figures 14.8 m Choose... 3 $10.25 Choose... Choose... 0.05 L Choose... 1.000 g/ml 6200 cm ✓ COD Bx00 x200 620x 6220 Choose 403 kg Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement Number of Measurement Estimated Digit Significant Figures Choose... 14.8 m 3 $10.25 Choose... Choose... 0.05 L 1.000 g/mL Choose.. Choose... 6200 cm 403 kg ✓ Choose XO3 40% 4x3

Answers

The table shows the estimated digit and significant figures of each measurement and their representation with x.

Number of Measurement Estimated Digit Significant Figures

14.8 m 3 ✓

$10.25 - ✓

0.05 L - ✓

1.000 g/mL - ✓

1.200 - ✓

6200 cm - ✓

403 kg - ✓

For each measurement, the estimated digit is replaced with an x to represent the number with the correct number of significant figures. The correct representations for each measurement are:

14.8 m: 15.0 m$10.25: $10.30.05 L: 0.050 L1.000 g/mL: 1.00 g/mL1.200: 1.206200 cm: 6200 cm403 kg: 400 kg

Note that in some cases, the representation requires adding zeros to the right of the decimal point to indicate the number of significant figures. In other cases, the representation requires rounding up or down to the correct number of significant figures.

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Find the solutions to the system:
x2 + y2 = 9
x+y = 3
A. (-3,0),(3,0)
B. (0,3), (3,0)
C. (9.0),(6,-3)
D. (0,9), (3,-6)
E. (-6,3), (3,0)

Answers

Answer:

$x = 3 - y\\ {(3 - y)}^{2} + {y}^{2} = 9 \\ \\ y = 0 \: \: x = 3 \\ y = 3 \: \: \: x = 0\\ \\ \\ b \: is \: corret \: answer$

Consider the following hypotheses: H0: μ = 120 HA: μ ≠ 120 The population is normally distributed with a population standard deviation of 46. (You may find it useful to reference the appropriate table: z table or t table) a-1. Calculate the value of the test statistic with x−x− = 132 and n = 50. (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)

Answers

The value of the test statistic for the given hypotheses is -2.6087. To calculate the test statistic, we can use the formula for a one-sample z-test:

z = (x - μ) / (σ / $\sqrt{(n)}$)

where x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.

In this case, the sample mean (x) is 132, the population mean (μ) is 120, the population standard deviation (σ) is 46, and the sample size (n) is 50.

Plugging these values into the formula, we have:

z = (132 - 120) / (46 / sqrt(50))

= 12 / (46 / 7.0711)

= 12 / 6.5203

= 1.8387

Since the alternative hypothesis is μ ≠ 120, we are conducting a two-tailed test. The critical value for a two-tailed test with a significance level of 0.05 is ±1.96.

Comparing the test statistic (1.8387) with the critical value, we find that the test statistic does not fall outside the critical region. Therefore, we do not reject the null hypothesis. This means there is not enough evidence to conclude that the population mean is significantly different from 120 based on the given sample.

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Solve for x. (Geometry)