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Alenkasestr [34]
3 years ago
13

Help me please Idk what to do

Mathematics
1 answer:
Ber [7]3 years ago
4 0

Answer:

x=36

Step-by-step explanation:

First rewrite equation then multiply each side by 36. 9x-36=4x+144.

then move the variable 9x-4x+36=144. Next subtract 9x and 4x ...5x=144+36.... 5x=180. Lastly you divide 180÷5 this your answer x=36

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Please help 12+2x-14x+8=
bulgar [2K]

Answer:

-12x+20

Step-by-step explanation:

12+2x-14x+8

Add constants: 20+2x-14x

Add variables: 20-12x

Reorder: -12x+20

8 0
3 years ago
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What divides a two dimensional shape into two congruent shapes​
zaharov [31]

Answer:

Rectangle is a 2dimensional shape so, let me explain using it

The diagonal of a rectangle divides the rectangle into two triangles that are congruent and they are the same size and shape.

Another example is parallelogram

The diagonal of a parallelogram also divides the figure into two triangles that are congruent.

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6 0
3 years ago
Question 1<br> What is the solution of n² - 49 = 0?<br> 0 +7<br> 07<br> -7<br> O no solution
Sphinxa [80]
Hey there!

This can be written as n^{2}-(7)^{2}

This is in form of \fbox{a^{2}-b^{2}} , it can be expanded as \fbox{(a-b)(a+b)}

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=> n = 7 or n = -7

So option 7 , -7 are correct.

Hope this is clear :)
Have a good day:)
7 0
2 years ago
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ohaa [14]
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Mikey had 104 nickels and 88 dimes she wants to divide the coins into group of each group will have the same number of nickels i
coldgirl [10]

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8 can go into 88 and it can also go into 104 too and 8 is the largest number so the answer is 8

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