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3 years ago

What is the constant rate of change? y = 4.5x

Mathematics

1 answer:

sveta [45]3 years ago

6 0

Answer:

The question to me doesnt make sense buh frm wat i learned your constant would be any number that x equals just because watever it gets changed to its gonna change your y

Step-by-step explanation:

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Martin throws a ball straight up in the air. the equation h(t) = -16t^2 + 40t + 5 gives the height of the ball, in feet, t secon

Lisa [10]

Answer:

2.62 seconds

Step-by-step explanation:

Let

t ----> the time in seconds

h(t) ----> he height of the ball, in feet

we have

$h(t)=-16t^2+40t+5$

we know that

When the ball hits the ground, the height is equal to zero

$-16t^2+40t+5=0$

The formula to solve a quadratic equation of the form

$at^{2} +bt+c=0$

is equal to

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

in this problem we have

$-16t^2+40t+5=0$

$a=-16\\b=40\\c=5$

substitute in the formula

$t=\frac{-40\pm\sqrt{40^{2}-4(-16)(5)}} {2(-16)}$

$t=\frac{-40\pm\sqrt{1,920}} {-32}$

$t=\frac{-40+\sqrt{1,920}} {-32}=-0.12\ sec$

$t=\frac{-40-\sqrt{1,920}} {-32}=2.62\ sec$

therefore

The solution is t=2.62 seconds

4 0

2 years ago

Write the number for six million fifty thousand.

const2013 [10]

Answer:

6,050,000

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

What is the answer?

emmainna [20.7K]

Answer:

C. 2.75P

Step-by-step explanation:

The original value was P.

It increased by 275%. That means it increased by 275% of P.

275% of P = 2.75P

The increase in value is 2.75P.

Now we add the increase to the original value of P to find today's value.

2.75P + P = 3.75P

Answer: C. 2.75P

5 0

3 years ago

535.29 = 400(1 + r) 5

joja [24]

Answer:

Step-by-step explanation:

$(1+r)^5=\frac{535.29}{400} \\1+r=(\frac{535.29}{400}) ^{\frac{1}{5} } \\1+r \approx 1.06\\r \approx .06$

7 0

3 years ago

In order for the parallelogram to be a

Iteru [2.4K]

Answer:

ac=-3, BC=57 I hope it will help you please follow me

7 0

2 years ago