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Bingel [31]
3 years ago
6

Solve z ÷ (–7) = –1. A. 7 B. -7 C. 1/7 D. 6

Mathematics
2 answers:
VMariaS [17]3 years ago
7 0

Answer:

Z=+7

Step-by-step explanation:

To solve this question

Z÷(-7)=-1

For clear understanding

I will like to rewrite the equation as

z/-7=-1

Hope you understand...it still means the same thing so let's solve

Cross multiply

z=+7

Waoh....see how simple it is

The main reason why I have to rewrite the equation is for better understanding and to make the work easier

I believe this will help you to understand it better

aalyn [17]3 years ago
6 0

Answer:

A. 7

Step-by-step explanation:

z ÷ (–7) = –1.

multiply each side by -7

z ÷ (–7)*-7 = –1.*-7

z = 7

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Lynna [10]
Measure the perimeter and the are and the see how long and wide the tile is
4 0
3 years ago
A new car's original price is $13,999. If it's on sale<br> for 10% off, what's the new price?
blsea [12.9K]
To find new price after discount we are going to find 10% of $13,999.00, then subtract the discount amount from $13,999.00.

13,999.00 × ¹⁰/₁₀₀ = $1,399.90

13,999.00 - 1,399.90 = $12,599.10

Therefore, new price = $12,599.10
8 0
3 years ago
Find the distance between the points (-1,-7) and (8,-9). The answer must be a whole number or a fully simplified radical express
ruslelena [56]

Answer:

The answer is

<h2>\sqrt{85}  \:  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-1,-7) and (8,-9)

The distance between them is

d =  \sqrt{( { - 1 - 8})^{2}  +  ({ - 7 + 9})^{2} }  \\  =  \sqrt{ ({  - 9})^{2} +  {2}^{2}  }  \\  =  \sqrt{81 + 4}

We have the final answer as

\sqrt{85}  \:  \:  \: units

Hope this helps you

3 0
3 years ago
Amos bought 5 cantaloupes for $8. How many cantaloupes can he buy for $24?
olchik [2.2K]
Amos can buy 15 cantaloupes
5 0
3 years ago
Yuki has saved £100 and spends £22 on a present. Rosetta has saved £140 and spends £28 on a present. What percentage has each gi
grigory [225]

Answer:

yuki has spent 22 percent , Rosetta spent 20 percent

step by step explanation:

1) if £100=100percent

then £22=x percent

x=(22×100)/100=22 percent

2) if £140=100 percent

then £28= x percent

x=(28×100)/140

x=2800/140

x=20 percent

6 0
3 years ago
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