MATHEMATICS HIGH SCHOOL

Leila received a $80 gift card for a coffee store.She used it in buying some coffew that cost $8.24 per pound.After buyinh the coffee,she had $55.28 left on her card.How many pounds of coffee did she buy

Answers

Answer 1
Answer:

Answer:3

Step-by-step explanation:
Answer 2
Answer:

Answer:

the answer is that 3 pounds of coffee was bought.

Step-by-step explanation:

80-55.28

=24.72

24.72÷3= 8.24

the answer is 3

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Find the positive sqaure roots up to 3 decimals
i) 1+(0.046)2​

Answers

Step-by-step explanation:

1+0.092= 1.0922) 1+0.042= 1.042

Answer:

1+0.092= 1.0922) 1+0.042= 1.042

Step-by-step explanation:

it is the explanation 1+0.092= 1.0922) 1+0.042= 1.042

How many gallons of water are in the tank when the pumps were turned on

Answers

If the question is asking how much water was in the tank the instant that the water was turned on, that means that it is asking how much water was in the tank when t=0
To solve this we simply plug in t=0 into out equation
V(0)=65(0)+280=280 gallons of water.

The diameter of a circle is 21 inches. Find the area of the circle. (Use 22/7 as the approximation of pi.)

Answers

Step-by-step explanation:

Area of a circle is pi times r-square

\pi \: {r}^(2)

So...

(22)/(7) * (21)/(2) * (21)/(2) = \frac{22 * {21}^(2) }{28}

Do the rest yourself, my calculator and pen are not handy.Sorry

What are the next four multiples of the fraction 2/6

Answers

4/12 6/18 and 8/24 i multiplied them by 2 3 and 4

Answer:

yo mommy

Step-by-step explanation:

A gallon of paint can cover 150 square feet. Find how many galloti container of paint should be beate to paint 3 coats on each wall of a rectangular room with dimension feet by 14 feet and will shar 12-feet tall.

Answers

Area of the wall = 12 ft * 14 ft = 168 ft^2

Each wall is coated thrice with the paint.

Therefore, 168ft^2 * 3 = 504 ft^2

150ft^ 2 = 1 gallon paint.

Therefore 504 ft^2 requires

= 504/150

= 3.36 gallons of paint

Answer:

Step-by-step explanation:

Wk castes

The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangle is 90 cm?

Answers

what we can do is set up an algebraic equation. 

our variable can me L for Length

3L+4L+5L=90

now all we have to do is solve

12L=90
----   ----
12      12

L=7.5

now multiple each number in the ratio by 7.5 to find out how long each side is

3 times 7.5 is 22.5
4 times 7.5 is 30
5 times 7.5 is 37.5

the side lengths are 22.5, 30, and 37.5
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