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lapo4ka [179]
3 years ago
7

What is 42/70 x 20/22

Mathematics
1 answer:
rusak2 [61]3 years ago
6 0

Answer:

6/11 or 0.545

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A circle has the circumference of 3.75 in. What is the diameter of the circle? (Use 3.14 for p. Round to the nearest tenth.) a.
HACTEHA [7]

Answer:

<h2>b. 1.2 in</h2>

Step-by-step explanation:

The formula of a circumference:

C=d\pi

<em>d</em> - diameter

We have <em>C = 3.75 in</em><em>.</em>

Substitute:

d\pi=3.75\qquad\text{use}\ \pi\approx3.14\\\\3.14d=3.75\qquad\text{divide both sides by 3.14}\\\\d=\dfrac{3.75}{3.14}\\\\d=\dfrac{375}{314}\\\\d\approx1.2\ in

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3 years ago
Suppose a shirt is on sale for 10% off it’s original price $23.50.
Lisa [10]

Answer:

A.111.11 repeating

B.25.85

Step-by-step explanation:

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The distance between the school and the airport on a map is 7.25 cm. The scale of the map is 1 cm : 12 m. What is the actual dis
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Step-by-step explanation:

4 0
2 years ago
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Examine this system of linear<br> equations.<br> y – 3x=-2,<br> y = 4
Verdich [7]

Answer:

2, 4

Step-by-step explanation:

Ok so for this you have to substitute. y=4 so you put a 4 where the y is. This becomes

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4 - 4 - 3x = -2 - 4 Now Simplify

-3x = -6 Why -6? Because you can’t subtract a positive from a negative so it becomes -2 + -4. Since they are both negatives, you just add them together, then put the negative sign.

Now divide -3 from both sides. Which becomes

x = 2

4 0
3 years ago
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Suppose the radius of a circle is 2, What is its diameter?
BARSIC [14]
It is 4 because the diameter is twice longer than the radius!
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