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Doss [256]
3 years ago
14

How do you get 3/5 of 20

Mathematics
1 answer:
saveliy_v [14]3 years ago
5 0

Answer:

Multiply 20 by 3/5

Step-by-step explanation:

<em>"of" mean to multiply</em>

20 "of" 3/5 equal 12   OR  20 x 3/5 = 12

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B) State a valid formula for multiplying out (A + B)(A − B)
Diano4ka-milaya [45]

(A+B)(A-B) = A^2-B^2.

It's equality constant

8 0
3 years ago
Find f(-3) for f(x) = 4(2)^x.<br> ОА. 1/8<br> O B. -32<br> O C. -24<br> OD. 1/2
Ipatiy [6.2K]

Answer:

D

Step-by-step explanation:

using the rule of exponents

a^{-m} = \frac{1}{a^{m} }

substitute x = - 3 into f(x)

f(- 3) = 4((2)^{-3} = 4 × \frac{1}{2^{3} } = 4 × \frac{1}{8} = \frac{1}{2}

5 0
2 years ago
How do u do this ? I'm so confused I really need help
Art [367]
Well what do u need help with can u explain?
5 0
3 years ago
Will some one please help me asap
olya-2409 [2.1K]
Formula: Circumference = πD

Given that diameter = 42,
 
    ⇒ Circumference = π (42) = 132 ft


Answer: 132 ft
7 0
3 years ago
If you ride your bike 12 miles per hour, how long would it take<br> you to travel 72 miles ?
poizon [28]

Answer:

It would take 6 hours for you to travel 72 miles.

Step-by-step explanation:

This question can be solved by a simple rule of three.

We have that:

Each hour, you ride 12 miles.

How many hours will take for you to travel 72 miles?

So:

1 hour - 12 miles

x hours - 72 miles

12x = 72

x = 72/12

x = 6

It would take 6 hours for you to travel 72 miles.

4 0
3 years ago
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