3 years ago

How long did it take for the apple to hit the ground

Mathematics

1 answer:

horrorfan [7]3 years ago

3 0

It is the square root of 15/2 or the square root of 7.5, which is approximately 2.74.

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During a sale, 20-cent candy bars were sold at 3 for 50 cents. How much is saved on 9 bars?

AlekseyPX

Answer:

.30 cents

20x50=60 -30=30

4 0

2 years ago

If it costs susan $25 to rent a truck for 1 hour and $100 to rent a truck for 4 hours, how much will it cost for her to rent a t

Elis [28]

Answer: $200 (choice B)

Explanation:

Notice that 100/4 = 25 which matches with the fact the cost is $25 per hour.

Therefore, 8 hours will yield a total cost of 8*25 = 200 dollars

5 0

2 years ago

Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19.

vlada-n [284]

Y = 5(x+4)-6
x = 5(y+4)-6
x = 5y +20 - 6
x= 5y +14
5y = x-14
y = (x-14)/5

when x = 19, y = (19-14)/5 
y = 5/5
y=1

In short, Your Answer would be Option 2

Hope this helps!

4 0

3 years ago

Read 2 more answers

HELP PLEASE NEED TO PASS!!!!!!!!!Rob is investigating the effects of font size on the number of words that fit on a page. He cha

zepelin [54]

Using the given data you can build the linear regression (described by linear function y=ax+b) by hand or you can use math calculator to do this. In attached diagram you can see that

$a=-26.059\approx -26$

and

$b=722.633\approx 723.$

Then the equation of linear function is

$y = -26x + 723.$

Answer: correct choice is D.

8 0

3 years ago

Read 2 more answers

Jennifer has a taco stand.she found that her daily costs can be modeled by C(x)=x^2-40x+610. if she wants to keep her daily cost

Svetllana [295]

Plug in 300 for C(x), to get:
300= $x^{2} -40x=610$
Then subtract to get: 0= $0= x^{2} -40x+310$
Then use the quadratic formula and plug everything in. Use a calculator to simplify.

You'll get two answers: 29.486 and -0.513.
Since you can't sell "negative" tacos, use the positive solution
Around 29-30 tacos.

8 0

3 years ago