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kow [346]
3 years ago
14

The heights of 20-year-old females are normally distributed with a mean of 64 inches and a standard deviation of 2 inches. What

is the z-score for a height of 62 inches?​
Mathematics
2 answers:
likoan [24]3 years ago
8 0
I’m on the same question lol
natali 33 [55]3 years ago
5 0

Answer: z= -1

Step-by-step explanation: z= (62-64)/2 = -1

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what is the area of a parallelogram if the coordinates of its vertices are (0,-2) (3,2) (8,2) and (5,-2)?
amm1812

A common strategy when finding the area of a polygon while you're only given the coordinates is to employ the shoelace formula. To start, we have to order the coordinates either clockwise or counterclockwise ( see attatched for a drawing). So, now we can order the coordinates counterclockwise, adding the first entry again at the end (see second attatchment) Now we can use shoelace. When going left to right, we'll multiply the numbers and they will be positive, and we'll make those numbers negative. ( see third attatchment). After we add them up and subtract when necessary, we'll divide the whole thing by 2. Here's the math:

\frac{(0*-2+5*2+8*2+3*-2)-(0*2+2*3+8*-2+5*-2)}{2}=20

4 0
3 years ago
542 L = kL help plzzzzzz
crimeas [40]

Answer:

0.542

Step-by-step explanation:

1 L = 0.001 Kiloliter and 542 x 0.001 = 0.542

6 0
3 years ago
1. What is the volume for the following rectangular prism?
____ [38]

Answer:

2. c) 1050 mm³

3. c) 8 yards.

Step-by-step explanation:

Given the following data;

Length = 25mm

Width = 7 mm

Height = 6 mm

To find the volume of the rectangular prism;

Volume of rectangular prism = base area * height

First of all, we would determine the base area;

Base area = length * width

Base area = 25 * 7

Base area = 175 mm²

Next, we find the volume;

Volume of rectangular prism = 175 * 6

Volume of rectangular prism = 1050 mm³

Question 2.

Given the following data;

Length = 9 yards

Width = 7.5 yards

Volume = 540 cubic yards

To find the height of the rectangular prism, x;

Volume of rectangular prism = length * width * height

540 = 9 * 7.5 * x

540 = 67.5x

x = 540/67.5

Height, x = 8 yards

8 0
3 years ago
The train ride goes 2.5miles in 1/3 of an hour <br> How many miles per hour does the the train go
9966 [12]

Answer:

2.5 x 60

Step-by-step explanation:

im pretty sure thats how you get your answer

6 0
2 years ago
Read 2 more answers
The sum of two rational numbers is a (n) ________ .
never [62]

Answer:

The sum of two rational numbers is a (n) rational.

3 0
3 years ago
Read 2 more answers
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