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Lerok [7]
3 years ago
7

PLEASE ANSWER ASAP

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

1.

4.

6.

Mark me as brainlist ez

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What is the answer to -7=-12 (-2)+B please help!
insens350 [35]
I would solve it for B, but that's just what I think. So you would do -12 time -2 which is 24, then subtract 24 from both sides so that you would get B=-31
8 0
3 years ago
Read 2 more answers
What are compatible numbers?
castortr0y [4]

Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. They are useful in estimating the sum, difference, product, or quotient.

7 0
3 years ago
An equilateral triangle with the perimeter of 90cm, what is the length of its side?
Vanyuwa [196]

Answer:

The length of its side is 30 cm

Step-by-step explanation:

<h3><u>Given</u><u>:</u></h3>

An equilateral triangle with the perimeter of 90cm.

In a Equilateral Triangle all sides are equal

i.e., all 3 sides are equal

Now,

90/3 = 30 cm

Thus, The length of its side is 30 cm

<u>-TheUnknownScientist</u><u> 72</u>

3 0
2 years ago
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A tray contains 16 chocolate chip cookies and 12 oatmeal raisin cookies. HOw many ways can a child select 3 cookies that include
pishuonlain [190]

Answer:

Number of ways chosen cookies = 8 ways

Step-by-step explanation:

Given;

Total number of chocolate chip cookies = 16

Total number of oatmeal raisin cookies = 12

Total number of cookies choose = 3

At least 1 chocolate cookie

Find:

Number of ways chosen cookies

Computation;

Number of total ways = 2³

Number of total ways = 8

If at least on cookie is chocolate cookie,

Number of ways chosen cookies = Number of total ways - 1

Number of ways chosen cookies = 9 - 1

Number of ways chosen cookies = 8 ways

6 0
3 years ago
Please find x and a​
aev [14]

Answer:

x = 36

a = 25

Step-by-step Explanation

By Pythagoras Theorem:

x =  \sqrt{ {39}^{2}  -  {15}^{2} }  \\  \\ x =  \sqrt{1,521 - 225}  \\  \\ x =  \sqrt{1,296}  \\  \\ x = 36   \\  \\ a =  \sqrt{ {20}^{2}  +  {15}^{2} }  \\  \\ a =  \sqrt{400 + 225}  \\  \\ a = 25 \sqrt{625}  \\  \\ a = 25

8 0
3 years ago
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