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antiseptic1488 [7]

3 years ago

6

A pool holds 8400 litres of water. A builder fills up the pool with a 17 litre container. He pours in 379 containers of water. I

s this enough to fill the pool?

1 answer:

Scorpion4ik [409]3 years ago

8 0

Answer:

No, because 379 times 17 6443

Step-by-step explanation:

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What is the proportion of 2/5 = 8/x

natali 33 [55]

To find is out put it like this 2 8
5 x
you multiple so 2 times what eduals 8 then you take that and multiply by 5

4 0

3 years ago

Find the midpoint of the line segment with the given endpoints (-4,4) (5,-1)

seraphim [82]

Answer:

(1/2), (3/2)

Step-by-step explanation:

midpoint fomula

(x1+x2)/ 2, (y1+y2)/2

(5-4)= 1 1/2 = (1/2)

(-1+4)=3 3/2=(3/2)

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3 years ago

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58.15<br> If f(x) = 5x + 40, what is f(x) when x = -5?

Ket [755]

Answer:

15

Step-by-step explanation:

if you put x=-15

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7 0

3 years ago

A cyclist rides his bike at a speed of 21

Harlamova29_29 [7]

Answer:

1. 0.35 miles per minute

2. 5.25 miles

Step-by-step explanation:

1. speed is 21 miles per hour

speed per minute = 21/60 = 0.35 miles per minute

2. distance covered in 15 minutes = 15*0.35

= 5.25miles

7 0

2 years ago

A spherical ball has a diameter of 8 inches. The ball has a slow leak in which the air escapes at the rate of 2.5 inches per sec

s344n2d4d5 [400]

Answer:

107.2 seconds

Step-by-step explanation:

Step one:

given

the diameter of ball 8 inches

radius= 8/2 = 4 in

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$v=4/3 \pi r^3$

$v= 4/3*3.142*4^3\\\\v= 4/3*3.142*64\\\\v= 804.35/3\\\\v=268.12 in^3$

Step two:

we know that

rate= quantity/time

rate= 2.4 in per second

quantity= 268.12

time=?

time= quantity/rate

time= 268.12/2.5

time= 107.2 seconds

4 0

2 years ago