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12345 [234]
3 years ago
11

Ethan burns 650 calories when he runs for 1 hour. Soppose he runs 5 hours in one week

Mathematics
1 answer:
alex41 [277]3 years ago
3 0
650 x 5=3250 calories
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John has 9 different flags that he wants to hang on the wall. How many different ways can the flags be arranged in a row?
Masteriza [31]

Answer:

answer is 362,880

Step-by-step explanation:

9!= 9×8×7×6×5×4×3×2×1=362,880

4 0
3 years ago
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Mr. Parker bought a coat when it was on sale. He paid 70% of the original price. He paid $42 for the coat. What was the original
fenix001 [56]

Answer:

70percent =42

100percent ×42 ÷70

100/7×42

10/7×42=60

therefore the original cost was $60

6 0
2 years ago
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3/4=j-1/2 solve the equation check your solution
DIA [1.3K]
3/4= j-1/2
first to add 1/2 to both sides to solve for j 
3/4 + 1/2= j
second you find a common denominator in order to add 3/4 and 1/2, the common denominator would be 4, you would have to change 3/4 at all because the denominator is already 4 but in order to make the denominator of 1/2, 4 you would have to multiply both the denominator and numerator by 2 so 
3/4 + 2/4 = 5/4
so 5/4 =j

to check your answer you plug 5/4 in for j 
3/4 = 5/4 -1/2
again you need to find a common denominator between 5/4 and 1/2 which again would be 4, and again you wouldn't change 5/4 but you would multiply both the numerator and the denominator of 1/2 so 
3/4= 5/4-2/4
5-2= 3 and you would keep the 4 so 
5/4 - 2/4 = 3/4

so j =  5/4
5 0
2 years ago
Write an equation of the line that passes through (8.1) and is perpendicular to the line 2y + 4x = 12​
schepotkina [342]

Answer:

I think you can just say about a blueprint and make it up.

Step-by-step explanation:

8 0
2 years ago
At Hoffman’s Bike Rentals, it cost $44 dollars for 8 hours. How many hours of bike use does a customer get per dollar?
SashulF [63]

Answer:

$5.50 per hour

Step-by-step explanation:

44 divided by 8 equals 5.5

5 0
2 years ago
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