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Debora [2.8K]
3 years ago
13

Find the height of a triangle with an area (A) of 35 square inches and base of 7 use the formula A= 1/2bh

Mathematics
1 answer:
slega [8]3 years ago
5 0

Answer:

D. 10

Step-by-step explanation:

Since you divided by 2. You want to multiply to go back wards.

35×2=70

They already give you base(b=7) so to find the height you need to divide to go backwards since you multipled bh.

70÷7=10

now plug it in to see if the equation is right.

35= 1÷2 (7×10)

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How far from an airport can an airplane fly and return in 8 hours, if it's outgoing speed is 160 km per hour and it's returning
PilotLPTM [1.2K]
<span>speed = distance/time
total time is 8 hours

outgoing speed is 160 km per hour, 
so time = d/160

</span><span>returning speed is 240 km per hour,
so time = d/240

 d/160 + d/240 = 8

3d/480 + 2d/480 = 8
5d/480 = 8
5d =480 (8)
5d = 3840
d=3840/5
d=768

answer: so the distance is 768 km</span>
4 0
3 years ago
Read 2 more answers
If 4 workers take 900 hours to finish a project, how long will it take 8 workers to complete the same project?
butalik [34]

Answer: 350

Step-by-step explanation: If you multiply the amount of <em>workers</em> by two, then you divide the amount of <em>time </em>by two, and vice versa. So, in other words, whatever number you multiply the workers by, divide the time by that same number. I hope this helps!

6 0
2 years ago
A cell phone was on sale 30% off.The sale price was $239.89 .what was the original price of the phone
klasskru [66]

Answer: $167.92


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4 0
3 years ago
A prism is created using 2 regular pentagons as bases. The apothem of each pentagon is 2.8 centimeters. Which expression represe
mash [69]
Recall that the volume of a regular prism is given by the area of the base times the height.

Given that the base of the prism is a regular pentagon with an apothem of 2.8 centimeters.
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Recall that the are of a triangle is given by 1/2 base times height.

Thus the area of of the pentagon base of the prism is given by
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5 0
3 years ago
Read 2 more answers
20 POINTS!!!
ololo11 [35]
3 drops : 4 pints = x drops : 16 pints

3drops/4pints = x/16pints

(3drops/4pints)*16pints = x
*cancel pints unit*
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(16*3)drops/4 = x
48 drops / 4 = x
12 drops = x (ANSWER)
4 0
3 years ago
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