4 years ago

Complete the statement. –5 + __ = –5

Mathematics

2 answers:

liberstina [14]4 years ago

8 0

-5+0=-5 if you added any number (positive or negative) the answer couldn't be 5 anymore

suter [353]4 years ago

3 0

The answer is 0
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What is the surface area of this right rectangular prism?

horrorfan [7]

Surface=2(5 x 4)+2(4 x 7)+2(5 x 7)=2(20)+2(28)+2(35)=40+56+70=166

Answer: 166 cm²

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4 years ago

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Alberto ran a race at a speed of 9 meters per second. Omar had a 6 meter head start and ran at a speed of 7 meters per second. B

zloy xaker [14]

Answer: Alberto run 27 meters.

Time taken By Alberto=3 seconds

Step-by-step explanation:

Let d be the distance Alberto ran to catch Omar.

Then, distance ran by Omar=x-6

Also, $\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

Since, both started running at the same time.

Time taken By Alberto= $\frac{x}{9}$

Time taken By Omar= $\frac{x-6}{7}$

Now, at the point they meet time taken by both is equal.

$\frac{x}{9}=\frac{x-6}{7}\\\Rightarrow\ 7x=9(x-6)\\\Rightarrow7x=9x-54\\\Rightarrow9x-7x=54\\\Rightarrow\ 2x=54\\\Rightarrow\ x=27$

Hence, Alberto run 27 meters.

Time taken By Alberto= $\frac{27}{9}$ =3 seconds

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3 years ago

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Daniel [21]

Consider this option:
1. formula of perimeter is: P=2(a+b), where a & b - the sides of rectangle.
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4 years ago

Help me please <br>show your solution

m_a_m_a [10]

Answer:

Rule: Multiplying ×5 in turn

50 { third term}

1,250 {fifth term}

Step-by-step explanation:

2 × 5 = 10 {second term}

10 × 5 = 50 { third term}

50 × 5 = 250 { fourth term}

250 × 5 = 1,250 {fifth term}

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Maggie weighs 81.35 pounds now.

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