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Darya [45]
3 years ago
15

Please answer fast for 30 points!!

Mathematics
1 answer:
MissTica3 years ago
4 0
All the work is shown and simplified, if anything is missed LMK!

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Solve for x:<br><br> 2x + 30 = (30/10) * 5(2x + 3) + 87
Svetllana [295]
Answer:
x = -9.375
im not sure if i interpreted the times symbol right

step-by-step explanation:
2x + 30 = (30/10) • 5(2x + 3) + 87
2x + 30 = 3 • 10x + 15 + 87
2x + 30 = 105 • 10x
-2x -2x
30 = 105 • 8x
-105 -105
-75 = 8x
/8 /8
-9.375 = x ?
4 0
3 years ago
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What is 5 divided by 1 1/2?
expeople1 [14]
It would equal 3 1/3
5 0
3 years ago
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Having problems with this, please help.<br>And don’t know where to start.
rodikova [14]

Answer:

Use the pythagorean theorem to solve the equations. If you aren't solving for c, manipulate the equation to solve for whichever side you are solving for.

4 0
3 years ago
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Jocelyn calculates that see will take 105 minutes to run 7 miles. She runs the distance in 84 minutes. What is Jillian’s percent
VladimirAG [237]

Answer:

25%%

Step-by-step explanation:

Given: Jocelyn calculates that see will take 105 minutes to run 7 miles. She runs the distance in 84 minutes.

To find: Jillian’s percent error

Solution:

Actual time taken by Jocelyn to run 7 miles = 84 minutes

Approximate time taken by Jocelyn to run 7 miles = 105 minutes

Error = |105-84|=21 minutes

Percent error = error/(Actual time taken) × (100) = \frac{21}{84}(100)=25\%

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3 years ago
2+1/6y=3x+4 solve for y
blondinia [14]
The answer is 2+1/6y=3×+4
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4 years ago
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