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dlinn [17]
2 years ago
5

HELP ME PLEASE, WILL MARK BRAINLIEST

Mathematics
1 answer:
kifflom [539]2 years ago
3 0

The height of the arrow at 2.5 seconds is 71 feet.

Given:

An arrow released from a bow, traveling towards a target 200 yards away,reaches a max height of 42.6 ft in only 1.5 seconds.

1.5 seconds = 42.6 feet

divide by 1.5 on both sides.

1 sec = 28.4 feet

0.5 sec = 28.4/2

0.5 sec = 14.2 feet

2.5 sec = 1.5 sec + 1 sec

= 42.6 + 28.4

= 71 feet

Therefore The height of the arrow at 2.5 seconds is 71 feet.

Learn more about the max height here:

brainly.com/question/22564953

#SPJ1

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Oxana [17]

Answer:

500 coins. 2,090 + 1,910 = 4,000. 4,000/8 = 500. hope this helps

Step-by-step explanation:

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3 years ago
There are 28 students in Mr. Smith's math class. 6/7 of them prefer pizza over cheeseburgers. How many students prefer pizza?
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Read 2 more answers
Sarah answered 24 questions on her test correctly and earned an 80%. How many questions were on the test?
MaRussiya [10]

Answer:

43 questions in total

Step-by-step explanation:

the original equation with the unknown (total number of questions on the test) will look like this

\frac{total \: number \: of \: questions \: on \: exam}{24 \: answered \: questions}  = 80\%

we know this because to work out a percentage in the 1st place you need the total ÷ number (in this case it's ÷ how many questions out of the total she did answer)

now you rearrange.

you need to move the 24 to get the total on it's own here's how you do it

\frac{tot \: num \: of \: qs}{24}  \times 24 = 80\% \times 24

what you do to one side of equation you have to do to the other. the 24 and 24 on the left will cancel because 24÷24=1 and we don't write

got mum of Q's x 1= 80 x 24

now you convert % to decimal

80\% \times 100 = 0.80

replace

tot \: num \: qs \:  = 24 \times 0.80 = 19

now you take the original and + the 19

24 + 19 = 43

therefore there are a total of 43 questions on the exam

5 0
4 years ago
2a+2b-2ab+y=6<br><br> I REALLY NEED HELP
Orlov [11]
This is how to solve this

6 0
4 years ago
NEEDED NOW
nirvana33 [79]

15·0.8 + x = 30·0.9 --> x = 15

C. is the correct answer

7 0
4 years ago
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