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anastassius [24]
3 years ago
6

Help, please!3x−y=12 x=−6y−15 What is the solution? Show work!

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

Answer:

everything can be found in the picture above. I hope it helps

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Find the quotient: 8,358 ÷ 27 = ________.<br> 309 r 15<br> 309 r 26<br> 310 r 15<br> 310 r 26
Rus_ich [418]

Answer:

the answer is 309 r 15

Step-by-step explanation:

309 × 27 is 8343 and your left with 15

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2 years ago
How do you use proportions to solve percent problems​
exis [7]

Answer:

Step-by-step explanation:

EXAMPLE #1:

What number is 75% of 4?   (or   Find 75% of 4.)

The PERCENT always goes over 100.

   (It's a part of the whole 100%.)

4 appears with the word of:

   It's the WHOLE and goes on the bottom.

A proportion showing one fraction  with PART as the numerator and 4 as the denominator equal to another fraction with 75 as the numerator and 100 as the denominator.

We're trying to find the missing PART (on the top).

In a proportion the cross-products are equal:   So 4 times 75 is equal to 100 times the PART.

The missing PART equals 4 times 75 divided by 100.

(Multiply the two opposite corners with numbers; then divide by the other number.)

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300 = 100 times the part

300/100 = 100/100 times the part

3 =   the part

A proportion showing the denominator,  4, times the diagonally opposite 75; divided by  100.

7 0
3 years ago
Why is it necessary to learn how to factor if you can just use the quadratic formula to solve quadratic equations?
xxTIMURxx [149]
Because u might need it in the real world.
4 0
3 years ago
How do you solve 1/4x4/7=
Sveta_85 [38]
If you would like to solve 1/4 * 4/7, you can do this using the following steps:

<span>1/4 * 4/7 = (1 * 4) / (4 * 7) = 4/28 = 1/7
</span>
The correct result would be 1/7.
8 0
3 years ago
Read 2 more answers
15- -10 x -20 divided by (12 + -8)<br><br> What is the answer?
kobusy [5.1K]

Answer:

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Step-by-step explanation:

        15 - ( -10x ) - 20 / ( 12 + ( -8 ) )

      = ( -5 ) + 10x / ( 4 )

      = 10x - 5 / 4

<em>Hope it helps</em>

<em>:D</em>

3 0
3 years ago
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