If the first step in the solution of the equation -9 + x = 5x - 7 is "subtract x," then what should the next step be?

Answers

Answer 1
Answer: add 7
so it will be like this

-9 + 7 = 5x - x
-2 = 4x
divide by 4
(-2)/(4)(4x)/(4)
x = (-1)/(2)
Answer 2
Answer:

Answer:

add 7

Step by step explain:


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What is the GCF of y^2, y^4, y^7?

Answers

the gcf is y^2 because you can reduce the fractions
to  1,y^2,y^5

2 1/2 X 3 2/3 in simplest form
help fast i will give 5 stars

Answers

Answer:

9 1/6

Step-by-step explanation:

2 1/2 * 3 2/3

Change each mixed number to an improper fraction

2 1/2 = (2*2+1) /2 = 5/2

3 2/3 = (3*3+2)/3 =11/3

5/2*11/3 = 55/6

Now we change back to a mixed number

6 goes into 55 9 times

9*6 =54 so there is 1 left over

9 1/6

from 40 bulbs tested by a quality controller, 3 are faulty calculate the expected number of faulty bulbs in a box of 500

Answers

Out of 40 bulbs, 3 were faulty.

3/40 were faulty

out of 500 bulbs, 'x' were faulty.

x/500 were faulty

(3)/(40) = (x)/(500)
cross multiply
40x=1500
Divide both sides by 40
x=37.5
Since you can't have .5 of a bulb, lets round up to 38
Answer=38 bulbs

Is (2,2) a solution to x+y=4 and 5x+5y=20?

Answers

Answer:

yes

Step-by-step explanation:

(2,2)

x=2 y=2

x+y=4

2+2=4

4=4

5x+5y=20

5(2)+5(2)=20

10+10=20

20=20

Which table is related to the graph at the right?

Answers

The graph that best relates is F because it starts from lowest to highest which is what the graph is showing
Graph F.............

Please help I been stuck on this for ever

Answers


From the picture, you can see that in order to go all the way around,
she'll need  4-2/3 yards  twice, and  6-3/4 yards  twice. 

That's called the 'perimeter' of the rectangle.  It's always (2 lengths) + (2 widths).

I just gave you the addition problem.  Add up the mixed numbers, and see
whether the perimeter is more or less than  22 .


If I were to solve this, I would take the 4 2/3 times itself and 6 2/3 times itself. When you get the mixed numbers, add them together and see if the number is less than 22 yards. If it is, you have the right answer.