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Andrew [12]
2 years ago
5

Find the value that completes the proportion

Mathematics
1 answer:
IrinaK [193]2 years ago
3 0
45 because you multiply the 8 by 9 to get 72 and then you multiply 5 by 9 to get 45
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iVinArrow [24]

Answer:

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3 0
2 years ago
PLEASE HELP ASAP!!!!!
Kitty [74]
The total would be 180 degrees because angles on a straight line would always add up to 180.
(3x+31)+(2x-6)=180
5x+25=180
     -25   -25
5x=155
/5     /5
x=31
5 0
3 years ago
Read 2 more answers
Uncle Drew scored 28points in 5 5/6
kap26 [50]

Answer:

it could be 2

Step-by-step explanation:

7 0
3 years ago
-4(a+3)+8-3(2a-8)=30
USPshnik [31]
If you’re solving for a... subtract the 8 to the other side so...
-4(a+3)- 3(2a-8) = 22.
Distribute the -4 and -3 into the parentheses (two negatives multiplied together is a positive)...
-4a-12-6a+24 = 22.
Add the constants and a’s together.
-10a + 12 = 22
Subtract 12 to the other side.
-10a = 10
Divide both sides by -10.
a = -1
Check and make sure that this answer works with the problem.
-4(-1+3)-3(-2-8)=22
-4(-2)-3(-10)=22.
-8+30=22.
22=22, the answer checks out
8 0
2 years ago
There are a total of 84 students in the robotics club and the science club. The science club has 12 more students than the robot
Dafna11 [192]

Answer:

48 students in science

Step-by-step explanation:

Let r = students in robots club

s = students in science club

r+s = 84

s = r+12

Substitute the second equation into the first

r+(r+12) = 84

Combine like terms

2r+12 = 84

Subtract 12 from each side

2r = 84-12

2r = 72

Divide by 2

r = 72/2 = 36

We need to find s

s = r+12

s = 36+12

s = 48

There are 48 students in the science club

4 0
2 years ago
Read 2 more answers
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