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emmasim [6.3K]
3 years ago
13

What is -10=10(x+9) and could you tell me how to do it cause I don't understand.​

Mathematics
2 answers:
krek1111 [17]3 years ago
7 0

Answer:

x=-10

Step-by-step explanation:

1. Distribute

2. Subtract the number from both sides of the equation

3. Simplify

4. Divide both sides of the equation by the same term

5. Simplify

6. Solution

=−10

hope this helps!!:)

timofeeve [1]3 years ago
4 0
-10=10x+90
80=10x
x=80/10
x=8
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Gary measures a peice of string. he says it is 4cm long, correct to 1 decimal place.
masha68 [24]

Answer:

Step-by-step explanation:

Shortest :  3.6 cm.

If it is 3.6 cm , when rounding off, it will be 4cm

Longest: 4.4

If it is 4.4 cm, when rounding off, it will be 4 cm

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3 years ago
What is 846÷3 equal to using distributive property?
docker41 [41]
3(282/1) should be what you are lookin for
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3 years ago
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Sam bought a jacket for $17​, which is one-sixth​ of the original price. How much did the jacket cost originally?
kkurt [141]

Answer:

=102

Step-by-step explanation:

17=1/6 of the price

x=1/1 of the price

x=1*17*6=102

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2 years ago
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!In two or more complete sentences explain how you would set up and solve the following eq
olchik [2.2K]

Peter's account is 910-40x, and Marla's account is 470-2x. This is a system, so you must find the number that makes both equations end up with the same number. Basically trial and error. Here is what I did:

Let's try the number 10. 910-400=510 and 470-20=450. I need a higher number.

Let's try 13 next. 910-520=390 and 470-26=444. Now the number has to be lower.

Let's try 12. 910-480=430 and 470-24=446. Close, and a little lower.

11.5 is too low, and 11.7 is too high.  11.6 has Equation 1 at 446 and Equation 2 at 446.8. Very close!

It is somewhere around 11.6. I hope that this can give you a start in figuring it out, because I don't believe in giving the complete answer, because then you do not learn anything from it.

4 0
3 years ago
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Line m has the equation y = 1/2x - 4
Mandarinka [93]

Answer:

  • As the slopes of both lines 'm' and 'n' are the same.

Therefore, we conclude that the equation x-2y=4 represents the equation of the line 'n' if lines m and n are parallel to each other.

Step-by-step explanation:

We know that the slope-intercept of line equation is  

y=mx+b

Where m is the slope and b is the y-intercept

Given the equation of the line m

y = 1/2x - 4

comparing with the slope-intercept form of the line equation

y  = mx + b

Therefore,

The slope of line 'm' will be = 1/2

We know that parallel lines have the 'same slopes, thus the slope of the line 'n' must be also the same i.e. 1/2

Checking the equation of the line 'n'

x-2y=4

solving for y to writing the equation in the slope-intercept form and determining the slope

x-2y=4

Add -x to both sides.

x - 2y + (-x) = 4+(-x)

-2y = 4 - x

Divide both sides by -2

\frac{-2y}{-2}=\frac{-x+4}{-2}

y=\frac{1}{2}x-2

comparing ith the slope-intercept form of the line equation

Thus, the slope of the line 'n' will be: 1/2

  • As the slopes of both lines 'm' and 'n' are the same.

Therefore, we conclude that the equation x-2y=4 represents the equation of the line 'n' if lines m and n are parallel to each other.

3 0
2 years ago
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