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Sindrei [870]
3 years ago
13

What is the measure of ∠R?

Mathematics
2 answers:
butalik [34]3 years ago
3 0
I think c. Hope this helps
m_a_m_a [10]3 years ago
3 0
The answer is D 35° I not sure if is right
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3 0
3 years ago
A
navik [9.2K]

Answer:

The number of liters of 50% antifreeze solution is 50 and the number of liters of 90% antifreeze solution is 150

Step-by-step explanation:

Let

x ----> number of liters of 50% antifreeze solution

y ----> number of liters of 90% antifreeze solution

we know that

50%=50/100=0.50

90%=90/100=0.90

80%=80/100=0.80

x+y=200

x=200-y ------> equation A

0.50x+0.90y=0.8(200) -----> equation B

substitute equation A in equation B and solve for y

0.50(200-y)+0.90y=160

100-0.50y+0.90y=160

0.40y=160-100

0.40y=60

y=150 liters

Find the value of x

x=200-y

x=200-150=50 liters

therefore

The number of liters of 50% antifreeze solution is 50

The number of liters of 90% antifreeze solution is 150

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER -( 1 - 6n )
Slav-nsk [51]

Answer:

6n-1

Step-by-step explanation:

Re-arrange
-(1 - 6n)
-(-6n + 1)

Distrubute
-(-6n -1)
6n - 1

4 0
2 years ago
BRAINLIEST TO THE FIRST PERSON TO ANSWER!!The expression on the left side of an equation is shown below.
dusya [7]

Answer:

123added 23

Step-by-step explanation:

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PLEASE HELP I NEED TO PASS MATH!!<br> Solve for x. Numerical answer only.
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Answer:

x=93

Step-by-step explanation:

Same explanation as last one I answered. :)

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2 years ago
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