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Fynjy0 [20]
3 years ago
11

Which expressions are equivalent?

Mathematics
2 answers:
shusha [124]3 years ago
5 0
3(a-b) and 3a-3b. Equivalent

2a(2+b) and 4ab. Not equivalent
kirza4 [7]3 years ago
4 0

Answer:

3(a-b) and 3a-3b. Equivalent

2a(2+b) and 4ab. Not equivalent

Step-by-step explanation:

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Karen wanted to measure the height of her school's flagpole. She placed a mirror on the ground 44 ft from the flagpole, and then
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Answer:140

Step-by-step explanation:

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What is M G to the nearest tenth
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Express 0.32 as a fraction
jok3333 [9.3K]
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6 0
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Read 2 more answers
(02.05 MC) A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is
Elena L [17]

Alright, lets get started.

Suppose total number of dancers in school = x

We have given in question, 42 % of total dancers are ballet dancers.

So, we could find number of ballet dancers by finding 42 % of total dancers.

Number of ballet dancers = x * 42 %

Number of ballet dancers = x * 42/100 = 0.42 x

As per given in question, there are 63 ballet dancers in school.

Which means 0.42 x = 63

Dividing 0.42 from both sides

0.42 x / 0.42 = 63 / 0.42

x = 150

Hence number of total dancers in school = 150 : Answer

Hope it will help :)

4 0
3 years ago
I will give u brainliest
Dmitry_Shevchenko [17]

Answer:

1 & 2 = Right Triangles

3 & 4 = Not Right Triangles

Step-by-step explanation:

Solved Using Pythagorean Theorem:

1) 9^{2} + 12^{2} = 225

15^{2} = 225

2) 15^{2} + 36^{2} = 1521

39^{2} = 1521

3) 10^{2} + 26^{2} = 776

28^{2} = 784

4) 10^{2} + 12^{2} = 244

16^{2} = 256

3 0
3 years ago
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