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3 years ago

Rewrite 2/5 : 1/20 as a unit rate. PLZ HELP

Mathematics

1 answer:

Anuta_ua [19.1K]3 years ago

4 0

Answer:

8 I believe

step-by-step explanation:

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Students in Miss Kemp's class earn 1 point for each page they read.A student who earns 300 points gets a prize.Elise reads 8 pag

Lilit [14]

the student needs to earn 244 more points to earn a prize

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3 years ago

Read 2 more answers

Please help me with this math!!

yan [13]

Answer:

40% increase

Step-by-step explanation:

Initial perimeter:

P = 2(4 + 6) = 20

Perimeter after change:

P = 2(4*2 + 6) = 28

Change in perimeter:

28- 20 = 8

Percent change:

8/20*100% = 40%

8 0

2 years ago

36b + 13 + 12b = − 11,

AlexFokin [52]

Answer:

-0.5

Step-by-step explanation:

36b+12b=-11-13

48b=-24

B=-24/48=-1/2

B=-0.5

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3 years ago

In the diagram below, BD is parallel to Y. What is the value of y?

Serjik [45]

The answer is A. 67 , hope this helps

5 0

3 years ago

Find the value of each variable

4vir4ik [10]

Answer:

x = 10 $\sqrt{2}$ , y = 10 $\sqrt{6}$

Step-by-step explanation:

using the sine and cosine ratios in the right triangle and the exact values

cos60° = $\frac{1}{2}$ , sin60° = $\frac{\sqrt{3} }{2}$ , then

cos60° = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{20\sqrt{2} }$ = $\frac{1}{2}$ ( cross- multiply )

2x = 20 $\sqrt{2}$ ( divide both sides by 2 )

x = 10 $\sqrt{2}$

and

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{y}{20\sqrt{2} }$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2y = 20 $\sqrt{2}$ × $\sqrt{3}$ = 20 $\sqrt{6}$ ( divide both sides by 2 )

y = 10 $\sqrt{6}$

5 0

3 years ago