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3 years ago

Week 5 Test Taking skills, Page 2

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

7 0

Answer:

Step-by-step explanation:

5/8 of 32

5/8×32=20

remember of means multiply

HOPE THIS HELP YOU HAVE A NICE DAY OR NIGHT

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Solve for in the diagram below.

ch4aika [34]

X is 35. 180=75+3x. 180-75/3=35

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3 years ago

Where would 3.8 go on the number line?

nata0808 [166]

Answer:

Between 3 and 4

Step-by-step explanation:

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3 years ago

A furniture designer builds a trapezoidal desk with a semicircular cutout. What is the area of the desk?

nirvana33 [79]

Answer:

$Area = 26478cm^2$

Step-by-step explanation:

Given

See attachment for desk

Required

The area

First, calculate the area of the semicircular cutout

$Area = \frac{\pi r^2}{2}$

Where

$r = 60cm$

So:

$A_1 = \frac{3.14 * 60^2}{2}$

$A_1 = \frac{11304}{2}$

$A_1 = 5652cm^2$

Next, the area of the complete trapezium

$Area= \frac{1}{2}(a + b) * h$

Where

$a = 300$

$b = 2 * r = 2 * 60 = 120$

$h = 153$

So:

$A_2 = \frac{1}{2} * (300 + 120) * 153$

$A_2 = \frac{1}{2} * 420 * 153$

$A_2 = 32130cm^2$

The area of the desk is:

$Area = A_2 - A_1$

$Area = 32130cm^2 - 5652cm^2$

$Area = 26478cm^2$

8 0

3 years ago

A man is running a race. He starts a 0 and makes it to the 350 feet marker. It took him 7 minutes. How many feet can the man run

mel-nik [20]

350 divided by 7 is 50 so the man can run 50 feet in one minute

6 0

3 years ago

Which of the following numbers has a value between 1.4 and 1 4/5? a. 1.34 b. 170%

Lyrx [107]

Here, numbers are: 1.4 and 1 4/5 = 9//5 = 1.8
Now, you need to know, which number is between 1.4 and 1.8

1.34 is lower than 1.4 So, it can't
170% = 170/100 = 1.7

So, 170% is that number between 1.4 and 1 4/5

Hope this helps!

6 0

3 years ago