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Evgen [1.6K]
3 years ago
9

I don’t know, I don’t get it, could someone answer If you know the answer please tell me.

Mathematics
2 answers:
Alja [10]3 years ago
7 0

Answer:

b

Step-by-step explanation:

20% is equal to 1/5 so divide 45 by 5 to get 20% of 45

Sati [7]3 years ago
5 0

Answer:

A,E,D Hope this helps

Step-by-step explanation:

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Pls help it is easy math
Serjik [45]

Answer:

all I know is 40,000

Step-by-step explanation:

6 0
3 years ago
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A satellite can move at 17,000 miles per hour. How many hours will it take to reach a star that is three light years away? Recal
babunello [35]
First convert the distance to miles 

<span>9.5 × 10^12 km x 0.62 miles/km </span>
<span>= (0.62 × 9.5) x 10^12 miles </span>
<span>= 5.9 × 10^12 miles </span>

<span> we want to triple that, because it is 3 light years (not just 1): </span>
<span>3 x 5.9 × 10^12 miles </span>
<span>≈ 18 × 10^12 miles </span>
<span>≈ 1.8 × 10^13 miles </span>

<span>Next divide by the speed to get the time (in hours). </span>
<span>t = 1.8 × 10^13 miles / 17000 miles/hour </span>

<span>convert the speed to scientific notation: </span>
<span>t = 1.8 × 10^13 / 1.7 x 10^4 </span>

<span>t = (1.8 / 1.7) × (10^13 / 10^4) <-- when dividing powers with the same base, subtract the exponents </span>
<span>t ≈ 1.1 × 10^9 </span>

<span>convert that back to standard notation. </span>

<span>Answer: </span>
<span>1,100,000,000 hours (P.S. That is about 120,000 years).
Hope this helps!!!</span>
4 0
4 years ago
Read 2 more answers
For every half cup of lemonade recipe,2 cups of water are needed.if I am making a large batch of lemonade that requires 3 cups o
jeka94

Answer:

1/2 lemonade -> 2 water

3 lemonade -> ? water

x * 1/2 = 3*2

x/2 = 6

x=12

Step-by-step explanation:

6 0
4 years ago
I’m unsure why I keep getting this wrong
garri49 [273]

Answer:

<em><u>the </u></em><em><u>answer </u></em><em><u>is </u></em><em><u>5</u></em><em><u> </u></em>

<em><u>HEY!</u></em><em><u>!</u></em><em><u>^</u></em><em><u>^</u></em>

<em><u>have </u></em><em><u>a </u></em><em><u>good</u></em><em><u> day</u></em><em><u>!</u></em><em><u>!</u></em><em><u>^</u></em><em><u>^</u></em>

<em><u>thank</u></em><em><u> me</u></em><em><u> later</u></em>

<em><u>carryonlearing</u></em>

4 0
2 years ago
Read 2 more answers
$53.89 + 18% = ?????
Aneli [31]

Answer:

<u>=$63.59 OR 63.5902</u>

Step-by-step explanation:

53.89+18%

<u>=$63.59 OR 63.5902</u>

6 0
3 years ago
Read 2 more answers
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