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Rus_ich [418]
3 years ago
11

Which number is equivalent to –(–2)?

Mathematics
2 answers:
Mumz [18]3 years ago
8 0

The first negative sign cancels out the second, so 2 is equivalent to -(-2).

<h2><u>2</u></h2>
alexdok [17]3 years ago
4 0

A double negative number becomes a positive.

-(-2) = 2

The answer is positive 2

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A group of students went on a field trip. There were 3 boys for every 4 girls inthe group. If there were 20 girls, how many stud
Margarita [4]

Answer:

15 boys

Step-by-step explanation:

start by dividing 20 by 4

you get 5

5 times 3 next

now you have 15

7 0
3 years ago
Leah claims that these figures are not similar. When she compared the heights, she wrote 27. Then she compared the bases and got
Flauer [41]

Answer:

<h2>Leah is actually wrong, because those rectangles are similar.</h2>

Step-by-step explanation:

Remember that similarity is about having proportional sides and congruent angles. When we have congruent sides, then those rectangles are congruent not similar.

In this case, to find the similarity, Leah should compare bases and heights thorugh division, because the ratio between heights and the ratio between bases must be equal. So, let's divide.

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\frac{7}{2}=3.5

As you can observe, both ratios are equal.

Therefore, those rectangles are congruent.

4 0
3 years ago
The official weight, in pounds, of four high school wrestlers is as follows:
Andre45 [30]

it's D becuase when you round all of them 124.2 is the only one thats different.

124.5 Rounded is, 125

125.3 Rounded is 125

124.9 Rounded is 125

124.2 Rounded is 124

Hope this helps. (i'm doing the same test lol)

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=x-%5Csqrt%7Bx%7D%20-2" id="TexFormula1" title="x-\sqrt{x} -2" alt="x-\sqrt{x} -2" align="absmi
Nata [24]

Answer:

(sqrt(x) +1)(sqrt(x)-2)

Step-by-step explanation:

x - 2 \sqrt{x}  +  \sqrt{x}  - 2 \\  \sqrt{x} ( \sqrt{x}  - 2) + 1( \sqrt{x}  - 2 ) \\ ( \sqrt{x}  + 1)( \sqrt{x}  - 2)

4 0
3 years ago
Q.1 Round off 20.0417 to the nearest 2 decimal point.<br> ​
natulia [17]
Answer: 20.04
the digit after 4 (1) is less than 5, so the previous digit is rounded down
6 0
3 years ago
Read 2 more answers
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