What is the length of ab?

Answers

Answer 1

Answer:

Step-by-step explanation:

Related Questions

A football stadium holds 5000 people.
On a match day 5 of the stadium is full.
40% of the children are girls.
The ratio of adults to children is 2 : 3
How many of the children attending are boys?

Answers

Answer:

720 boysss

Step-by-step explanation:

Yep thts the answerrr...

Convert 80 liters into gallons. Round your answer to the nearest tenth.

Answers

Answer:

21.13 US gallons

Step-by-step explanation:

. _ .

Answer:

21.1338 rounded to the nearest tenth is 21.10

Step-by-step explanation:

What is the solution set for 4x+ 9 <17?

A- x>2

B- x<2

C-x>4

D-x<4

Answers

Answer:

The awnser is d i think

A bag contains 2 yellow, 12 red, and 6 green marbles. What is the probability of selecting 1 yellow marble, not replacing it, then selecting a green marble

Answers

Without replacement is very important

3/25 converted to a decimal

Answers

Answer:

.12

Step-by-step explanation:

First set up your proportion.

[tex] \frac{3}{25} = \frac{12}{100} [/tex]Multiply 3 and 25 by 4 to get 12 and 100.

the answer would be 12 hundredths or .12

a2 + b ÷ 3= helpppppppp mmmmmeeeeeeeee! pls

Answers

Answer: 2a/3 + b/3

Since it has two different variables, there is no final answer. To find the answer, you must first expand the equation and then apply the fraction rule.

your most exciting day of school

Answers

Answer:

first day. yehahhhhhhhh

Answer:

School isn't exciting for me, lol.

Step-by-step explanation:

The area of Region A is the same as the area of region c true or false

Answers

Answer:

True

Step-by-step explanation:

Yolanda painted 2/5 of a wall in 40 minutes. If she keeps painting at the same rate, how much longer will it take her to finish painting the wall

Answers

Answer:

60 minutes

Step-by-step explanation:

She painted 2/5 of the wall.

She still needs to paint 3/5 of the wall.

3 is 50% more than 2, so 3/5 is 1.5 times 2/5, so it will take her 1.5 times the time it took so far.

1.5 * 40 minutes = 60 minutes.

Answer: 60 minutes

Drag the number to each box to match the expression on the left to its estimate

Answers

Answer:

1 - 1/2

2 - 1

3 - 0

Step-by-step explanation:

The following amount was assigned to each. A penguin was $9, an octopus was $36, and ant was $27. Based on this information, how much will be given to a pig?

Answers

Answer:

$14

Step-by-step explanation:

Answer:

Is there options because this question not that in depth

Step-by-step explanation:

A cone has the same radius and height as a cylinder which has greater volume the cone or the cylinder

Answers

Answer:

The cylinder has the great volume

Step-by-step explanation:

The volume of a cone = (h/3)πr²

The volume of a cylinder = hπr²

The only difference is that h is divided by 3 for the volume of a cone, making the total volume of a cone smaller than the volume of a cylinder with the same radius and height.

please helppppppppppppppppppppp

Answers

Answer:

The untrue statement is "B. This figure is a parallelogram"

Step-by-step explanation:

You know the figure isn't a parallelogram because parallelograms have no right angels, and this shape has two right angles.

I need help on number 26

Answers

Answer:

The number of required shelves is 5

You have to find the HCF of 45, 105, and 75.

dolls= 9
footballs=21
small cars=15

Can someone help with vectors?

Answers

Answer:

Wait, the vector from despicable me or the math vector?

Step-by-step explanation:

If its the math vector than here: The correct answer is a vector

help please, i need it asap. thank you

Answers

Answer:

x = 5

Step-by-step explanation:

[tex]\frac{3}{x}[/tex] = [tex]\frac{4.5}{7.5}[/tex]

cross multiply

4.5x = 7.5(3)

4.5x = 22.5

Divide

x = 5

I need the answer to

Answers

Answer:

I think its B

Hope this helps

Please help! What is the population of people?? Answer and explanation please! no links :\

Answers

Answer:

36043.305

Step-by-step explanation:

My brain is so tired I can't-

Multiply all the numbers with the information they gave you, then add them all.

I REALLY HOPE THIS HELPED MY BRAIN NEEDS A BREAK

Determine the probability of having 2 girls and 3 boys in a 5-child family assuming boys and girls are equally likely.

Answers

The correct answer is 5/16.

The probability of having 2 girls and 3 boys in a 5-child family is 5/16

What is Probability ?

Probability is the likeliness of an event to happen .

Total Probability of having 5 kids as boy or girl is 2⁵ = 32

The probability that there is 3 boys in the 5 children and remaining two are girls

[tex]\rm ^5C_3[/tex]

= (5*4*3*2*1)/(2*1)(3.2.1)

= 10 ways

probability of having 2 girls and 3 boys in a 5-child family is

=10/32

= 5/16

Therefore , the probability of having 2 girls and 3 boys in a 5-child family is 5/16

To know more about Probability

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Help please question in picture

Answers

Answer:

10 units squared

Step-by-step explanation:

[tex]4(5)=20[/tex]

[tex]\frac{20}{2}=10[/tex]

17 units I think because if you add it all up it equals 17

Can Someone Please Help Me. ?

Answers

Answer: I think its A?

Step-by-step explanation:

Assume that the weight of cereal in a "12.6 ounce box" is N(µ,0.42). The Food and Drug Association (FDA) allows only a small percentage of boxes to contain less than 12.6 ounces. You collect a random sample of n = 35 boxes and find that the sample mean is 12.8. Test the null hypothesis H0: µ = 13 against the alternative hypothesis HA: µ < 13 at level of significance α = 0.01

Answers

Answer:

We reject the null hypothesis and accept the alternate hypothesis, that is, that the mean is less than 13 ounces.

Step-by-step explanation:

The null hypothesis is:

[tex]H_{0}: \mu = 13[/tex]

The alternate hypotesis is:

[tex]H_{a}: \mu < 13[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

13 is tested at the null hypothesis:

This means that [tex]\mu = 13[/tex]

N(µ,0.42)

This means that the standard deviation is 0.42, that is, [tex]\sigma = 0.42[/tex]

You collect a random sample of n = 35 boxes and find that the sample mean is 12.8.

This means that [tex]n = 35, X = 12.8[/tex]

Value of the test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{12.8 - 13}{\frac{0.42}{\sqrt{35}}}[/tex]

[tex]z = -2.82[/tex]

Pvalue of the test:

The pvalue of the test is the pvalue of z = -2.82.

Looking at the z table, z = -2.82 has a pvalue of 0.0024

0.0024 < 0.01, which means that we reject the null hypothesis and accept the alternate hypothesis, that is, that the mean is less than 13 ounces.

Factor out the common factor in -45 + 81n + 90n^2

Answers

A: I think it’s 9(−5+9n+10n2)

Step-by-step explanation:

The roots of the equation 2x^2 + 4= 9x are imaginary?

Answers

The final statement is: The quadratic equations has real roots.

What are quadratic equations?

A quadratic equation can be written in the standard form as ax2 + bx + c = 0, where a, b, c are constants and x is the variable. The values of x that satisfy the equation are called solutions of the equation, and a quadratic equation has at most two solutions.

Given here: 2x²+4-9x=0

2x²-9x+4=0

2x²-8x-x+4=0

2x(x-4)-1(x-4)=0

(2x-1) (x-4) =0

Therefore the roots of the equation are 1/2 and 4 which are not imaginary.

Hence, The quadratic equations has real roots.

Learn more about quadratic equations here:

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HELP ME PLEASE
15 points and brainliest if right

Answers

Step-by-step explanation:

area of a rectangle bh

4x7=28

7x9=63

9x4=36

the only rectangle that has an area equal to 28 is the 4x7 which is the front face and back face.

Hope that helps :)

geometry multiple choice
(will mark brainliest)

Answers

I believe it’s 2, 3 and 5 not 100% tho.

I need help please.

Answers

Supplementary angles add up to 180
So
I tho l it’s B

Pls help with this problem. This is due today!

Answers

Answer:

2.8 > 2.8< i think

Step-by-step explanation:

Can someone answer this.

Answers

Answer:

The first choice

Step-by-step explanation:

Maria needs to be at the airport terminal at 18:45. It will take 2 3/4 hours to drive to the airport from her home, and a further 40 minutes to park and get to the terminal.
What is the latest time she should leave home?
Give your answer as a time in the 24-hour clock.

Answers

Answer:

18:45

Step-by-step explanation:

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