If the ball hit the ground it means that its height is equal to 0. In order to find the time after the ball <span>will hit the ground, we need to find the solution of the equation h(x)=0 which is different to 0.

-4.9x^2+21.3x=0
x(-4.9x+21.3)=0
-4.9x+21.3=0
x=21.3/4.9 = 4.3469 seconds</span>

4 0

3 years ago

If there are 30 flower bouquets, 4/5 of the bouquets are daises, the rest are tulips. How many bouquets are tulips?

erastova [34]

Answer:

6 bouquets of tulips

Step-by-step explanation:

<h2><u>first find out the number of daisies.. </u></h2>

this is 4/5 * 30

= 24

there are 24 daises...

now to find the number of tulips are:

30 - 24 = 6

there a<u> 6 bouquets of tulips. </u>

4 0

3 years ago

Read 2 more answers

Anna enjoys dinner with her family at a restaurant in Washington, D.C. She leaves a 15% tip on the price of her meal. She also h

AnnZ [28]

Answer:

$22

Step-by-step explanation:

tax and the tip increase the price paid for the meal

she paid 15 + 10 = 25% more than the price of her meal

p = original price

1.15 x p = 27,50

p = 27.50 / 1.15 = 22

3 0

3 years ago

- Find the difference of 8x and twice the sumof x and 7. Write your answer in simplestform.​

- Find the difference of 8x and twice the sumof x and 7. Write your answer in simplestform.