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VashaNatasha [74]
3 years ago
8

Seven times a number is the same as 12 more than 3 times the number. find the number

Mathematics
2 answers:
Arada [10]3 years ago
6 0
7x=12+3x
-3x. -3x
4x=12
x=3
Radda [10]3 years ago
5 0
7y = 12 + 3y , 4y = 12 , y = 3
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A man has 10 more dimes than quarters. he has $2.75 how many of each coin does he have?
Anton [14]
5 quarters, 15 dimes

q + 10 = d
0.25q + 0.1d = 2.75

0.25q + 0.1(q + 10) = 2.75
0.25q + 0.1q + 1 = 2.75
0.35q = 1.75
q = 5

Check:

0.25(5)+ 0.1(15)= 2.75
1.25 + 1.5 = 2.75
2.75 = 2.75 :)
4 0
3 years ago
Distribute and combine like terms.<br> 3(2x - 7) +5
NeTakaya
When you distribute, it would be 6x - 21 + 5

-21 + 5 = -16

this means the answer would be left as 6x - 16
6 0
3 years ago
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Rewrite in simplest radical form <br> 1/x^−3/6<br> Show each step of your process please!
Romashka [77]
\frac{1}{a^{-b} } =a^b \\c^{ \frac{a}{b} }= \sqrt[b]{c^a}  \\   \\  \frac{1}{x^{- \frac{3}{6} }}=\frac{1}{x^{- \frac{1}{2} }} =x^ \frac{1}{2} = \sqrt[2]{x^1} = \sqrt{x}
8 0
4 years ago
Hey whats 56x78 then divide it by 5.
Damm [24]

Answer:

873.6

Step-by-step explanation:

5 0
3 years ago
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What is 6/10 rounded to the nearest half
belka [17]

6/10 rounding to the nearest half would be 1, not 0.

Reason for this: Here is a number line to help you!

|----|----|

Left line = 0

Middle line = 1/2

Right line = 1

Here is another rule!

0/10, 1/10, 2/10, 3/10, 4/10 = rounded to the nearest half would be 0

5/10, 6/10, 7/10, 8/10, 9/10, 10/10 = rounded to the nearest half would be 1.

So 6/10 rounded to the nearest half is 1.

Hope this helped!

Plz mark brainliest!

5 0
4 years ago
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