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alisha [4.7K]
2 years ago
11

A backpack is normally $64.99 but is discounted ti $45.49. What percent of the original does Maria pay?

Mathematics
1 answer:
Setler [38]2 years ago
3 0

Answer:30%

Step-by-step explanation:

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The gravity on the surface of the moon is 0.17 of the surface gravity on Earth. If Jack weighs 156 pounds on Earth, what would b
inessss [21]

Answer:

Jack will weigh 26.52 pounds

Step-by-step explanation:

x = 156 (Your weight on Earth)

y = 0.17 (Surface Gravity)

z = Your weight on the moon

x * y = z

156 * 0.17 = 26.52

Jack will weigh 26.52 pounds.

4 0
3 years ago
The current of a river is 3 miles per hour. A boat travels to a point 176 miles upstream and 176 miles back in 19 hours. What is
serious [3.7K]

Answer:

If I am understanding your question, the total upstream is 8 miles and another 8 miles downstream.

Let s = the speed of the boat in still water

d = rt

8 = 5(s + 3)  downstream

8 = 5s + 15  equation 1

8 = 5(s - 3)   upstream

8 = 5s - 15    Add equation 1

8 = 5s + 15 

16 = 10s    Divide both sides by 10.

s = 16/10 = 8/5 = 1.6 mph

 

4 0
2 years ago
Three balls are selected at random without replacement from an urn containing two white balls and four blue balls. Find the prob
guapka [62]

<u>Answer:</u>

P(3 blue) = 1/5

<u>Steps:</u>

P(3 blue) = 2/3 × 3/5 × 1/2

P(3 blue) = 6/30

P(3 blue) = 1/5

<em>that's 20%</em>

4 0
3 years ago
The price of a technology stock was $9.77 yesterday. Today, the price fell to $9.70 . Find the percentage decrease. Round your a
hammer [34]
There would be a 0.71% decrease, rounded to the nearest tenth of a percent would be a 0.7% decrease. :)
6 0
2 years ago
Simplify 6x^2/ cubed root of 3x
hammer [34]

Answer:

6x^2/(3x)^1/3

6= 3 .2

So, 3.2 (x^2)/( 3^1/3) x^1/3

=3^2/3)(2). x^5/3

={ 2 .( 3)^2/3 } x^5/3

4 0
2 years ago
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