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2 years ago

Marcy played the piano for 45 minutes. She stopped playing at 4:15 p.m. At what time did she start playing the piano ?

1 answer:

4 0

Well, first off 1 hr =60 minutes. 60 min - 45 min = 15 minutes extra. what is one hour before 4:15? 3:15! Add the subtracted 15 minutes to get 3:30... Hope this helps

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HELP

aivan3 [116]

I would say 2.5 because if the constant of proportionality was 2 the 4 and 2 also meet. Also at the end the 10 and 4 meet and 10 divided by 4 is 2.5

4 0

3 years ago

A pound of fertilizer covers 37 square feet of lawn. Vivian's lawn measure 9110.1 square feet. How much fertilizer, to the nea

LenKa [72]

To solve this problem you must apply the proccedure shown below:

1. You have the following information given in the problem above:

- A pound of fertilizer covers 37 square feet of lawn.

- Vivian has 9110.1 square feet of lawn.

2. Therefore, to calculate the pounds of fertilizer needed, you must multiply the area of lawn that she has by one pound and divide this by the area convered by a pound:

$\frac{(1 lb)(9110.1ft^{2}) }{37ft^{2} } =246.2lb$

Then, the answer is: 246.2 pounds.

7 0

3 years ago

21 is 80% of what number

nikklg [1K]

Answer:

26.25

Step-by-step explanation:

21 is 80% of 26.25

Hopefully this helps :3 Sorry if wrong :( Plz mark brainiest if correct :D Your bootiful/handsome! Have a great day luv <3

-Bee~

8 0

2 years ago

A man bought a car for 15000GH cedis . He later sold it at a profit of 25% .What was his selling price.

AleksAgata [21]

Answer:

3750 GH cedis

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Write an equation of a line perpendicular to the line y = -1/5x -3 and goes through the point (6,2), then use Point- Slope form

agasfer [191]

Answer:

The equation of the line would be y = 5x - 28

Step-by-step explanation:

First, we need to know that perpendicular lines have opposite and reciprocal slopes. Give that information, we know that the new line will be the reciprocal and opposite of -1/5. This would be 5. Now that we have that information, we can use it along with a point to fill in the point-slope form of the equation.

y - y1 = m(x - x1)

y - 2 = 5(x - 6)

Then we must solve for y.

y - 2 = 5(x - 6)

y - 2 = 5x - 30

y = 5x - 28

7 0

3 years ago