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nataly862011 [7]
3 years ago
5

What is the answer to -12 + 7 = __

Mathematics
2 answers:
bixtya [17]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

an easy way to do it is to flip it so its 7-12 or you can do 12-7 and you get 5 then just add a - sign but thats my way and its weird lol

zhenek [66]3 years ago
5 0
The answer to your question -12+7= is -5
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The area is 123.1073415 cm
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3 years ago
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Grady marks down some $4.09 pens to $3.59 for a week and then marks them back up to $4.09. Find the percent of increase and the
emmainna [20.7K]

Answer:

Percentage decrease ( from $4.09 to $3.59) is 0.1% ( Rounded to nearest tenth)

Percentage increase (from $3.59 to 4.09) is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

Step-by-step explanation:

$4.09 has been changed to $3.59.

Percent change = [(Value after  - Value before) / Value before]*100

                          =\frac{3.59-4.09}{4.09}*100%

                          =\frac{-0.5}{4.09}*100%

                          =-0.122249%

                           =-0.1% ( Rounded to nearest tenth)

Percentage decrease is 0.1% ( Rounded to nearest tenth)

Now lets calculate the percentage change from $3.59 to $4.09.

Percent change = [(Value after  - Value before) / Value before]*100

                          =\frac{4.09-3.59}{3.59}*100%

                          =\frac{0.5}{3.59}*100%

                          =0.13927%

                           =0.1% ( Rounded to nearest tenth)

Percentage increase is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

6 0
3 years ago
25% of the tickets sold at a school carnival were early-admission tickets. If the school sold 272 tickets in all, how
Solnce55 [7]

Answer:

HEY! it is me I am going to put my questions here

Step-by-step explanation:

3 0
2 years ago
Solve for w -24=-3w+21
svlad2 [7]

Answer:

w = 11.25

Step-by-step explanation:

To solve this problem, we are going to move all of the terms containing the variable w to the left side of the equation and all of the constant terms (ones with numbers only) to the right side of the equation.

w - 24 = -3w + 21

To do this, we should first add 24 to both sides of the equation.

w - 24 + 24 = -3w +21 + 24

If we simplify, we get:

w =  -3w + 45

Next, we should add 3w to both sides of the equation.

w + 3w = -3w + 3w + 45

4w = 45

Finally, we can divide both sides by 4.

4w/4 = 45/4

w = 11.25

Hope this helps!

3 0
3 years ago
-2y=x+8<br><br> Three points
laila [671]

Answer:

are you supposed to simplify or solve?

Step-by-step explanation:

7 0
3 years ago
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