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Irina-Kira [14]
3 years ago
8

Rearrange the equation so r is the independent variable. 10q - 5r = 30

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0

Answer:

q = 3 + 1/2r

Step-by-step explanation:

10q - 5r = 30

We want to solve for q

Add 5r to each side

10q - 5r+5r = 30+5r

10q = 30+5r

Divide by 10

10q/10 = 30/10 +5r/10

q = 3 + 1/2r

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Easy math but im confused (sorry) <br>Help with q1 and 2 please ^^​
mina [271]

Answer:

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4 0
3 years ago
A sewing machine is at a 20% off sale. The original price was $340. How much does the sewing machine cost at a 20% off sale?
Anvisha [2.4K]

Answer:

272$

Step-by-step explanation:

Since it is at a sale of 20% off that means that we will have to subtract 100% from 20% which is 80%

Now to find the exact value, we will have to multiply 80%, or 0.80 with 340

0.80*340= 272$

Therefore our answer is 272$

                     - Hope this helped :)

-Brainliest is most appreciated :)

4 0
3 years ago
Read 2 more answers
I will give brainlest please explain and answer
OLga [1]

Answer: the answer is D.

Step-by-step explanation:

8 0
2 years ago
Can someone help geometry is confusing
NikAS [45]

<LMP and <NMP are supplementary angles so sum = 180

<LMP +  <NMP = 180

(-16x + 13) + ( - 20x + 23) = 180

-16x + 13  - 20x + 23 = 180

-36x + 36 = 180

-36x = 144

    x = -4

<LMP = -16x + 13 = -16(-4) + 13 = 77

<NMP = - 20x + 23 = - 20(-4)  + 23 = 103

Answer

<LMP  = 77°

<NMP  = 103°

5 0
2 years ago
I do not understand
Pie

Answer:

2500 m^3/1 m^2

Step-by-step explanation:

Going from cm to m is just dividing by 100. So 250,000 cm^3/100= 2,500 m^3

6 0
2 years ago
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