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WINSTONCH [101]
3 years ago
6

Solve the following equations for x -11=3-7(x-1)

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

x = 21/8

Step-by-step explanation:

x - 11 = 3 - 7x + 7

8x = 21

x = 21/8

lesya692 [45]3 years ago
3 0

Answer:

x = 21/8

Step-by-step explanation:

Step 1: Write equation

x - 11 = 3 - 7(x - 1)

Step 2: Solve for <em>x</em>

<u>Distribute -7:</u> x - 11 = 3 - 7x + 7

<u>Combine like terms:</u> x - 11 = 10 - 7x

<u>Add 7x on both sides:</u> 8x - 11 = 10

<u>Add 11 on both sides:</u> 8x = 21

<u>Divide both sides by 8:</u> x = 21/8

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Memona has a 6 kg sack of rice and some empty bags.
andrew11 [14]

Step-by-step explanation:

We know that

\boxed{\sf 1kg=1000g}

\rm \mapsto \: 6kg=6000g

\rm \mapsto \: number \: of \: bags =  \frac{6000}{475}  \\  \rm \mapsto \: 12.63 \\  \rm \mapsto \: 13bags(approx)

7 0
3 years ago
What is the slope of this graph?<br> 0.3<br> -3<br> los<br> 1<br> 3<br> 3<br> 1<br> 2 3 4 5
iren2701 [21]

Answer:

A

Step-by-step explanation:

Use the formula rise/run. The rise, in this case, was 3 and the run was 1. There for it would be 3/1 which is simplified to 3.

3 0
3 years ago
Find the equation of a line that passes through the point (4,2) that is perpendicular to the line y = x. Show your work.
maria [59]
If it has to be perpedicular to y = x, then the slope has to be -1/x because perpedicular slope is the opposite reciprocal. Now plug what you know into the point slope formula. 

y - 2 = -1/1 (x - 4)

***** Since -1/1 is the same as -1, it can be rewritten as -1. ****************

y - 2 = -1 (x - 4)

Now distribute -1 times x and -4.

y - 2 = -x + 4

Add 2 to both sides to get y by itself. 

y = -x + 2

Your answer should be:

y = -x + 2
5 0
3 years ago
Mr. Anders gets his haircut once every four weeks. It costs $15 for the haircut. Mr. Anders always gives the barber a $2.00 tip.
irina [24]
69 is the correct answer
6 0
4 years ago
Carter writes the expression for the area of a deck with a width of r + 4 and a length or r - 5. He made an error when using the
seropon [69]
He didn’t combine the -5r + 4r correctly and also he didn’t multiply 4 and -5 correctly.

if you can show your work. use
F O I L method
first
outer
inner
last.

r • r = r^2

r • -5 = -5r

r• 4 = 4r

4• -5 = -20.


the final equation is


R^2 + r -20

8 0
4 years ago
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