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V125BC [204]
3 years ago
15

A dozen apple costs $2.55.at this rate how much would 8 apple cost?

Mathematics
1 answer:
vladimir2022 [97]3 years ago
8 0
12=2.55 how about 8
8 x 2.55 divided by 12=$1.7
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A study was being conducted about birth weights of babies at a local hospital and found the average to be 7.6 pounds with a stan
dangina [55]

Answer:

The birth weight associated with the lowest 1% is 4.6 pounds.

Step-by-step explanation:

Let <em>X</em> represent the birth weights of babies.

It is provided that X\sim N(7.6,1.3^{2})

It is also provided that many pre-mature births weights are in the lowest 1% of births.

Let <em>x</em> represent the births weights that are in the lowest 1% of births.

That is, P (X < x) = 0.01.

⇒ P (Z < z) = 0.01

The corresponding <em>z</em>-score is, <em>z</em> = -2.33.

Compute the value of <em>x</em> as follows:

z=\frac{s-\mu}{\sigma}\\\\-2.33=\frac{x-7.6}{1.3}\\\\x=7.6-(1.3\times 2.33)\\\\x=4.571\\\\x\approx 4.6

Thus, the birth weight associated with the lowest 1% is 4.6 pounds.

7 0
3 years ago
Algebra 2! Please help ASAP
sweet [91]

the first box = Rational

the answers are the second 2 boxes

6 0
3 years ago
Find the perimeter and area of the rectangle below. A rectangle ABCD with vertices A(2,3), B(2,8), C(5,8), and D(5,3)
Alex

Answer:

P = 16 inches

A = 15 square inches

Step-by-step explanation:

The rectangle has a length from (2,3) to (2,8) which is a vertical distance of 5 units since 8-3=5. The rectangle has a width of (2,8) to (5,8) which is a horizontal distance of 3 units since 5-2 =3

This means the rectangle is 5 units by 3 units.

The perimeter of a rectangle is equal to P = 2b+2h where b=base and h=height. Here the base is 5 units and the height is 3 units.

P = 2*5 + 2*3

P = 10 + 6

P = 16 inches

The area of a rectangle is A = b*h. Substitute b=5 and h=3.

A= 5*3

A = 15 square inches

5 0
4 years ago
What is the simplified form of the expression square root of -64
RSB [31]

What is the simplified form of the expression square root of -64

we have

\sqrt[]{-64}

Remember that

64=2^6

and

i^2=-1

substitute

\sqrt[]{-64}=\sqrt[]{(-1)(2^6)}=\sqrt[]{i^2\cdot2^6}=2^3i=8i<h2>option B</h2>
8 0
1 year ago
Omar's classroom has 2 closets. Each closet has 3 shelves. There are 5<br> backpacks on each shelf.
Svetradugi [14.3K]

Answer:

There are 30 backpacks on each shelf if thats what your asking

Step-by-step explanation:

Because 2 times 3 is 6 and 5 times 6 is 30

8 0
3 years ago
Read 2 more answers
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