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3 years ago

A ball is thrown from a height of 40 meters with an initial downward velocity of 5 m/s

Mathematics

1 answer:

arsen [322]3 years ago

7 0

0=40-10t-5t^2

t^2+2t-8=0

(t+4)(t-2)=0

t=-4 (not a solution) or t=2

Answer: after 2 seconds

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3 years ago

Khalil with me six times as many baskets at John during basketball practice

ycow [4]

Answer:

Step-by-step explanation:

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3 years ago

How much more interest will Maria receive if she invests $1,000 for one year at x percent annual interest, compounded semiannual

notka56 [123]

Answer:

$0.025x² . . . where x is a number of percentage points

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The multiplier for semi-annual compounding will be ...

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3 years ago

Solve for x <br> 7(x - 3) = 4(x + 5)

Advocard [28]

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Step-by-step explanation:

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2 years ago

Read 2 more answers

Mr. Scruggs got some money for his birthday. He spent 1/5 of it on dog treats. Then, he divided the remainder equally among his

Mariulka [41]

Answer:

a. $\frac{4a}{15}$

b. $225

Step-by-step explanation:

Let Mr. Scruggs got money for his birthday be 'a'

He spent $\frac{1}{5}$ of it on dog treats = a × $\frac{1}{5}$

= $\frac{1}{5}a$

remainder amount would be = a - $\frac{1}{5}a$

= $\frac{4a}{5}$

Then he divided the remainder money equally among 3 favorite charities.

$\frac{\frac{4a}{5}}{3}$

= $\frac{4a}{15}$

a. Each charity receive $\frac{4a}{15}$

b. If he donated $60 to each charity.

$\frac{4a}{15}=60$

$a=\frac{15\times 60}{4}$

a = $225

Mr. Scruggs received $225 for his birthday.

6 0

3 years ago