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Yanka [14]
3 years ago
11

Which expression does not belong with the other three? explain your reasoning. 10/-5 -10/5 -10/-5 or -(10/5)?

Mathematics
1 answer:
amid [387]3 years ago
3 0
The answer is -(10/5) because the others arent in parenthesis ().
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David's chocolate bar is 37% cocoa. If the weight of the chocolate bar is 51 grams, how many grams of cocoa does it contain? Rou
OverLord2011 [107]

Answer:

18.9

Step-by-step explanation:

You need to find 37% of 51

In other words: 37% x 51

3 0
3 years ago
The sum of the interior angles of a polygon is
Crank

Answer:

D) 15

Step-by-step explanation:

The sum of the interior angles of a polygon is given by

(n - 2) \times 180

We have that, the sum of the interior angles of a polygon is

26 right angles. We want to find n, the number of sides.

We substitute into the formula to get:

(n - 2) \times 180 = 26 \times 90

Divide through by 90

2(n - 2) = 26

Divide through by 2

n - 2 = 13

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6 0
3 years ago
Which expressions are equivalent when m = 1 and m = 4? 5 m minus 3 and 2 m 5 m 3 m 4 and m 4 2 m 2 m 7 and 3 m minus 3 m 5 m 3 a
emmasim [6.3K]

The expressions that are equivalent when m = 1 and m = 4 is;

Option B: 3m + 4 and m + 4 + 2m

We are given m = 1 and m =4;

A) 5m - 3 and 2m + 5 + m

B) 3m + 4 and m + 4 + 2m

C) 2m + 7 and 3m - 3 + m

D) 5m + 3 and 4m + 2 + 2m

For option B; 3m + 4 and m + 4 + 2m

Let's put m = 1

3(1) + 4 = 7

Also, 1 + 4 + 2(1) = 7

Similarly, let us put 4 for m to get;

3(4) + 4 = 16

Also, 4 + 4 + 2(4) = 16

In both cases, the expressions are equivalent and as such option B is the right one.

Read more about algebra simplifications at; brainly.com/question/4344214

4 0
3 years ago
Read 2 more answers
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3 years ago
debby collected eight times as many bags of cans as her friend .if her friend collected two thirds of a bag. how many bags did d
sergij07 [2.7K]

Answer:

5 1/3

Step-by-step explanation:

I caculated 2/3 times 8

8 0
3 years ago
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