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lesya692 [45]
3 years ago
14

Chapter 2 Chapter Test 2

Mathematics
1 answer:
GaryK [48]3 years ago
4 0

Answer:11/84

Step-by-step explanation:

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Mr. And Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 0.14
poizon [28]

Answer:

0.938

Step-by-step explanation:

From the question :

p = 0.14

Number of children, n = 7

P(x ≤ 2) = P(2) + P(1) + P(0)

Using binomial probability :

P(x =x) = nCx  * p^x * (1 - p)^(n - x)

We could also use the binomial probability calculator :

P(x ≤ 2) = 0.3479 + 0.3965 + 0.1936

P(x ≤ 2) = 0.938

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3 years ago
From a piece of paper, Sam cuts a rectangle with a length that is 2 inches (in.) longer than the width. He tapes a straw to the
Ksivusya [100]

Answer:

c)A cylinder with a volume of  π(w³ +2w² )in³

 where w represents the width of the cylinder.

Step-by-step explanation:

A cylinder with a volume of  π(w³ +2w² )in³

 where w represents the width of the cylinder.

The  volume of a cylinder is given by  V=Bh or V=πr²h

where B is the area of the base and h is the height of the cylinder.

V=πr²h-------equation1

V= π(w³ +2w² )--------- equation2

Comparing equation 1 and equation 2

πr²h=π(w³ +2w² )

r²h=(w³ +2w² )

r²h= w²(w +2 )

Taking w² common leaves w+2 which gives the height or length of the cylinder.

Therefore radius = width and height = length which gives the volume of the cylinder.

8 0
3 years ago
A box has dimensions of 19inches long, 1.7 feet wide, and 6 inches high. What is the volume of the box?
Anestetic [448]

Answer:

2325.6 inches cubed

Step-by-step explanation:

To find the volume of the box mutiply Length by Width by Height:

19*1.7*12*6

I mutiplied by 12 because 1 ft=12 inches

=2325.6

5 0
3 years ago
Read 2 more answers
you need to answer A and B!!! PLEASE HELP
4vir4ik [10]

Answer:

13x+14

Step-by-step explanation:

because the original equation would be 5x(2)+3x+7(2) simplified would be 13x+14

3 0
3 years ago
any help will be helpful and you have to make ur own graph paper if you don't have none he said but please help I don't understa
ivann1987 [24]

Step-by-step explanation:

do you need graph paper?

just minus the 2nd cordnates x to the 1dt cordnates x and same for the y. that will give you the distance for each x and y points

8 0
3 years ago
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