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kompoz [17]
3 years ago
15

Solve for b help please

Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0

Answer:

-12=-4/3b

-12x4/3=b

-16=b

b=-16

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THIS IS THE LAST QUESTION IDK HOW DO SOLVE IT :(
harkovskaia [24]

Answer:

6 laps.

Step-by-step explanation:

On Monday she runs 2x + 8 miles, where x miles = the length of the trail.

On Tuesday she runs 4x + 4 miles and this is the same distance as Monday, so

2x + 8 = 4x + 4

4 = 2x

x = 2  miles which is the length of the trail.

So each day she runs 4(2) + 4 = 12 miles.

So on Saturday she runs  12/ 2 = 6 laps.

4 0
3 years ago
alex needs to buy compressed air to fill 5 empty cylindrical tanks for his store. each tank is 12 feet deep and has a radius of
Yanka [14]
Volume of a cylinder = the area of the base x height of the cylinder
Area of base = \pir^2
A = 6^2(\pi)
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V = 36\pi x 12
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5 cylinders = 5V

5V = 5 x (432\pi)
5V = 2160\pi

Final answer: Alex needs to buy 2160\pi or 6785.84 cubic feet worth of compressed air to fill all of the cylindrical tanks.
4 0
3 years ago
Yesterday the temperature at noon was 11.4°F by midnight the temperature had decreased by 15.7° what was the temperature at midn
lina2011 [118]
11.4 - 15.7 = -4.3. The temperature at midnight is -4.3<span>°F.

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3 0
3 years ago
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Murrr4er [49]

Answer:

b trust me

Step-by-step explanation:

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8 0
3 years ago
What fraction is equivalent to 150%?<br> A. 1 2/5<br> B. 15/1<br> C. 3/5<br> D. 1 1/2
inessss [21]

Answer:

D : 1 1/2

Step-by-step explanation:

150% converted into a decimal is 1.5, this is the same as 1 1/2, so the answer is D.

hope this helps :)

7 0
3 years ago
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