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Gennadij [26K]
3 years ago
13

How do you undo addition

Mathematics
2 answers:
3241004551 [841]3 years ago
4 0

Answer:

  • To undo addition, you need to subtract
  • to Undo subtraction, you need to add
  • to undo multiplication, you need to divide
  • to undo division, you need to multiply

Basically perform the opposite operation in order to undo a given operation

Step-by-step explanation:

Misha Larkins [42]3 years ago
3 0

Answer:

U just need to do the opposite :)

Step-by-step explanation:

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Solve 3-x=-9<br><br>A. x=12<br><br>B. X= -6<br><br>C. X= 6<br><br>D. x=-12​
wel

Answer:

D x=-12

Step-by-step explanation:

3-x=-9

-9-3=x

-12=x

8 0
4 years ago
In BCD, the measure of
erastovalidia [21]

Answer:

sorry,

I think u got yr question incomplete

u can post another one

<h2>stay safe healthy and happy.</h2>

3 0
3 years ago
You are building identical displays for the school fair using 65 blue boxes and 91 yellow boxes. What is the greatest number of
KiRa [710]

Answer:

The greatest number of displays that can be built using all the boxes are 13

(Using 5 blue boxes and 7 yellow boxes for each display).

Step-by-step explanation:

In order to answer the question, the first step is to divide the number of blue boxes and yellow boxes and look for a common ratio ⇒

\frac{65}{91}=\frac{5}{7}

This means that we have a ratio 5:7 for blue boxes and yellow boxes.

We find that each display will have 5 blue boxes and 7 yellow boxes.

To find the greatest number of displays that can be built we can do the following calculation

\frac{65}{5}=13

Or

\frac{91}{7}=13

(We can divide the number of blue boxes by its correspond ratio number or the number of yellow boxes by its correspond ratio number)

In each cases the result is 13 displays.

The answer is 13 identical displays

7 0
3 years ago
Read 2 more answers
Find the surface area. PLEASE HELP!!!!!​
jonny [76]
Since it is a cube, all sides lengths are the same.

Surface area = 2lw+2lw+2hw
if you substitute all the sides for 13 you get
2(169) three times
so you multiply and get 338 three times so you do 338x3 which is 1014 cm

its messy to explain so i attached a photo

7 0
2 years ago
Find the cost of a car if it costs $25000 plus 18% VAT.
larisa [96]

Answer:

The car costs $29,500 after the value tax.  

Step-by-step explanation:

First, put the percentage into decimal form.  Since we are adding on the tax, add an additional 1 into the decimal.  

This is what we will use to multiply with: 1.18.

We know the cost of the car, $25,000 and it's VAT, 18%.

To determine how much it will cost after the added value tax, we multiply $25,000 with 1.18 because it is an additional cost to that car specifically.  

25,000 x 1.18 = 29,500

The car costs $29,500 after the value tax.  

6 0
3 years ago
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