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igor_vitrenko [27]
3 years ago
12

A desk is on sale for $380, which is 20% off the original price. Which equation can be used to determine the

Mathematics
1 answer:
Ket [755]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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_Izzy wants to paint three walls in her family room. Two walls are 13
stiks02 [169]
The total area would be the combined area of all three

Let’s knock out the first 2

4.5 * 13 = 58.5 * 2 = 117

Now the last

4.5 * 9 = 40.5

117 + 40.5 = 157.5 ft^2
5 0
3 years ago
Read 2 more answers
8x+3&gt;_x+10 how do i solve dis<br> HELP
VashaNatasha [74]

Answer:

x > 1

Step-by-step explanation:

Subtract 3 from both sides

8x + 3 - 3 > x + 10 - 3

Simplify

8x > x + 7

Subtract x from both sides

8x - x > x + 7 - x

Simplify

7x - 7

Divide both sides by 7

7x/7 > 7/7

Simplify

x > 1

5 0
3 years ago
Plz answer!! thanks
jeka94

Answer:

x = 10

y = 40

Step-by-step explanation:

60° + (2x + 7y)° = 180° because these two angles are supplementary

So 2x + y would be equal to 60°

60° + (2x + 7y)° = 180° subtract 60 from both sides

2x + 7y = 120 and

2x + y = 60 multiply second equation by -1 and it will be -2x -y = -60 now add it to first equation

2x + 7y -2x - y = 120 - 60 -2x will eliminate 2x

6y = 60 divide both sides by 6

x = 10

if 2x + y = 60 the we need to replace x with the value we found

2×10 + y = 60

y = 40

4 0
2 years ago
I need help please and thank you
Rom4ik [11]

Answer:

144°

Step-by-step explanation:

Hope this helps :)

8 0
3 years ago
I need to know this I don’t understand and it is last one
Len [333]

Answer:

The answer is 4x

Step-by-step explanation:

Hope this helped

4 0
3 years ago
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