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olga_2 [115]
3 years ago
12

James wants to pour a patio that is 18 feet by 20 feet. He wants the concrete to be 6 inches deep. How many cubic feet of concre

te mix are needed for the patio? [1 ft = 12 inches]
A) 45 cubic feet
B) 90 cubic feet
C) 180 cubic feet
D) 240 cubic feet
Mathematics
1 answer:
atroni [7]3 years ago
6 0
The correct answer would be C) 180 cubic feet.

WORK:  18 x 20 = 360, 6/12 = 0.5... then multiply 360 x 0.5 and you get 180
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If 3 sisters receive $180 and split it so that the middle sister gets twice as much as the youngest sister and the oldest sister
timurjin [86]

Answer:

30$

Step-by-step explanation:

1st sister is 3x

2nd sister 2x

3th is x

3x+2x+x=180

6x=180

X=30

8 0
3 years ago
Find the slope of the given points(3,4) and(7,-4
WARRIOR [948]

slope = (y2-y1)/(x2-x1)

 m=(-4-4)/(7-3)

m=(-8)/(4)

m=-2

4 0
3 years ago
PLZZZZ HELLPP  50 POINTS TO WHO CAN ANSWER CORRECTLY
finlep [7]
For this case we are going to assume that Nina wrote:
 3/4 (1440) + 295.25 + (-33.50).
 The expression is correct since we have:
 ticket sales were three-fourths as much as yesterday. That means
 3/4 (1440)
 food sales were down by $ 33.50, that means:
 295.25 + (-33.50)
 Therefore, today's sales were:
 3/4 (1440) + 295.25 + (-33.50).
 answer
 Nina's expression is correct
5 0
3 years ago
Read 2 more answers
1/3·(−3x+4y−5z) help plz
Maksim231197 [3]

Answer:

To solve this we need to form 2 equations with only 2 variables.

x+4y-5z=-7

2x+y+5z=8

3x+5y=1

15x+10y+15z=35

6x+3y+15z=24

9x+7y=11

Now we need to use these to find x and y

9x+15y=3

9x+7y=11

8y=-8

y=-1

Therefore:

x=2

From this we can find that:

2(2)-1+5z=8

Therefore z=1

The answer is x=2, y=-1, z=1

7 0
3 years ago
Read 2 more answers
Find the area of a circle with radius, r = 60cm. Give your answer rounded to 3 SF.
katrin [286]

The area of the circle will be equal to 11309.733 square centimetres.

<h3>What is an area?</h3>

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the circle in a two-dimensional plane is called the area of the circle.

The area of the circle will be calculated by the following formula:-

Area = πr²

Area = π x ( 60 x 60 )

Area = 3.14 x 60 x 60

Area = 11309.733 square centimeters.

Therefore the area of the circle will be equal to 11309.733 square centimetres.

To know more about an area follow

brainly.com/question/25292087

#SPJ1

5 0
2 years ago
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