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inysia [295]
3 years ago
8

Please help out with my math, I don't know how to do these problems.

Mathematics
1 answer:
agasfer [191]3 years ago
5 0

Step-by-step explanation:

in 2nd... one you also have to find a x and a y....if you want a deep explantion...comment me...and if tried to build two equation and use the method i taught u...let me know the answer.i will let you know whether you are right ot not

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I will mark brainliest please help me​
Lapatulllka [165]

Answer:

Formula for mean in grouped data

= Zfx/ Zf

f = sum of the number of mice

= 35

Frequency = 39 + x

Mean = 7

Fx = 20 + 78 + 112 + 8x + 54

= 264 + 8x

7 = 264 + 8x/ 39 + x

7(39+x) = 264 + 8x

After solving you will get

x = 9

Hope this helps.

4 0
3 years ago
A loan of $900 will be repaid in 36 installment of $30.22 each .what is the finance charge for the loan
Marat540 [252]

i hope this is what you are looking for but 36 times 30.22 equals 1087.92 subtract from 900 which is $187.92

<h2>$187.92 for finance charge for loan</h2>
8 0
3 years ago
I need help i dont understand this
Ad libitum [116K]

The answer is B)x+y=y+x.

This is just changing the order of the numbers to get the same equation....\

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7 0
3 years ago
Decide whether the two expressions are equivalent for each problem below.
Vesnalui [34]

Answer:

Step-by-step explanation:

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2 years ago
What is the distance between -3 and 12?
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