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Free_Kalibri [48]

3 years ago

15

A driveway is shaped like a parallelogram with a base of 28 ft and a height of 17 ft. covering the driveway with crushed stone w

ill cost 2.75 per square root. how much will it cost to cover the driveway with crushed stone?

1 answer:

timofeeve [1]3 years ago

6 0

1309 should be the anwser

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How do you find a radius

nataly862011 [7]

Answer:

Take the circumference of the circle and divide by two times pi for circle with a circumference of 15 you should divide by 15 by 2×3.14 and round the decimal point to your answer of approximately 2.39

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9/ms . The ball's height h (in meters) af

Alecsey [184]

A ball is thrown from an initial height of 2 meters with an initial upward velocity of 9/ms

Balls height $h= 2 +9t -5t^2$

To find all values of t for which the ball's height is 3 meters

We plug in 3 for h and solve for t

$h= 2 +9t -5t^2$

$3 = 2 +9t -5t^2$

Solve for t

$0= -1+ 9t -5t^2$

$5t^2 - 9t + 1 = 0$

Solve using quadratic formula

$t= \frac{-b+- \sqrt{b^2-4ac} }{2a}$

$t= \frac{9+- \sqrt{(-9)^2-4*5*1} }{2*5}$

After simplifying this,

$t= \frac{9+\sqrt{61}}{10}$ = 0.11898

$t= \frac{9-\sqrt{61}}{10}$ = 1.68102

the values of t for which the ball's height is 3 meters= 0.12 sec , 1.68 sec

5 0

3 years ago

Divide 240g in the ratio 5:3:4

Hoochie [10]

Answer:

100g : 60g : 80g

Step-by-step explanation:

5+3+4 =12 total parts

(5/12 of 240)

5/12 x 240 = 100g

3/12 x 240 = 60g

4/12 x 240 = 80g

Check:

100g + 60g + 80g = 240g

Hope this helps!

6 0

2 years ago

How do I do this? This is due in 2 hours.

Lynna [10]

Converter will show you the formula and units(:

6 0

3 years ago

Can someone help !!

Alexus [3.1K]

Answer:

the answer is 95

Step-by-step explanation:

you divide 90 by 36 to get 2.5 then times that by 38

4 0

3 years ago