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Alla [95]
3 years ago
9

How do I solve this -1/2x-7=-11

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0

Answer:

Step-by-step explanation:

-1/2x -7=-11

-1/2x +4=0

4=1/2x

x=8

Snowcat [4.5K]3 years ago
5 0

Answer:

x = 8

Step-by-step explanation:

FIrst you move the constant to the right so we add 7 to -11.

Now we have -1/2x = -11+7

Add -11 and 7 which gives us -4

Now we have -1/2x = -4

Multiply both sides by -2

We end up with 8 as X

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Helpppp plssssss I need to get my grade up in math
KatRina [158]

Answer: 1.25 square feet

This converts to the improper fraction 5/4

===========================================================

Explanation:

The area of the triangle on the left is base*height/2 = 0.5*2/2 = 0.5 square feet. Note that 1/2 = 0.5

The area of the triangle on the right side is base*height/2 = 0.2*3/2 = 0.75 square feet. This converts to the fraction 3/4

Add up the two results: 0.5+0.75 = 1.25 square feet

-----------

If you need the answer as an improper fraction, then,

1.25 = 1 + 0.25

1.25 = 1 + 1/4

1.25 = 4/4 + 1/4

1.25 = (4+1)/4

1.25 = 5/4

3 0
2 years ago
Cost to store: $75<br> Percent of Markup:<br> Selling price: $112.50
AlekseyPX

Answer:

15%

Step-by-step explanation:

pretty sure thats right

3 0
3 years ago
Anne Katz, owner of Katz Sport Shop, loans $8,000 to Shelley Slater to help her open an art shop. Shelley plans to repay Anne at
Gekata [30.6K]
A= P(1 + r/n) ^nt
=8000(1+0.08/2)^8x2
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7 0
3 years ago
430x30 pls reply quickkkkk
Anna11 [10]

Answer:

12900

Step-by-step explanation:

umm first you write down the number of zeros (but only the zeros at last if a zero comes in middle or between other numbers, then you must have to multiply it) and then multiply the remaining numbers. I am not good at explaining. ;)

5 0
3 years ago
1) 5.10-2.8.16. 10-1
const2013 [10]

Answer: -2511 (if the periods mean multiplication)

Step-by-step explanation:

I’m not sure whether you’re trying to have the periods be multiplication, but if that’s what they are, this is the answer

5x10-2x8x16x10-1

50-16x160-1

50-2560-1

-2511

Again, I’m not sure if that’s what you mean but I can’t really see what else they would mean since you can’t have a 3 part decimal

5 0
3 years ago
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