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3 years ago

WORTH 30 POINTS PLS HELP!

Mathematics

1 answer:

Reptile [31]3 years ago

4 0

Answer:

The y-intercept is y = 80feet. The initial height of the balloon is 80feet.

Step-by-step explanation:

$h(x)=-16x^2+64x+80$

The y-intercept of the function happens when the x-value = 0. So let's plugin x=0 into the function:

$h(x)=-16x^2+64x+80\\h(x)=-16(0)^2+64(0)+80\\h(x)=80$

The y-intercept is y = 80feet

x represents the number of hours after starting its ascent from the hill, so x = 0hr means when the balloon is just starting to ascent. At the start of the ascent, the balloon has an altitude of 80feet. The initial height of the balloon is 80feet.

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Is the second side “WY and ZY” or the other way around?

sveta [45]

Answer:

yes it's wy =zy you may write it

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3 years ago

Solve f - 6 = 3f + 1

LUCKY_DIMON [66]

Simplifying f + -6 = 3f + 1 Reorder the terms: -6 + f = 3f + 1 Reorder the terms: -6 + f = 1 + 3f Solving -6 + f = 1 + 3f Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-3f' to each side of the equation. -6 + f + -3f = 1 + 3f + -3f Combine like terms: f + -3f = -2f -6 + -2f = 1 + 3f + -3f Combine like terms: 3f + -3f = 0 -6 + -2f = 1 + 0 -6 + -2f = 1 Add '6' to each side of the equation. -6 + 6 + -2f = 1 + 6 Combine like terms: -6 + 6 = 0 0 + -2f = 1 + 6 -2f = 1 + 6 Combine like terms: 1 + 6 = 7 -2f = 7 Divide each side by '-2'. f = -3.5 Simplifying f = -3.5

7 0

4 years ago

Read 2 more answers

(Two questions)The temperature in an office is controlled... PLEASE

inysia [295]

Answer:

a) the temperature is y = 16° C at 9 AM.

b) The probability of selecting 2 vowels at the same time is 2.8%

Step-by-step explanation:

Temperature = y=?

Time = x = 9 A.M

The given equation is:

$y = 19 + 6 sin (\frac{\pi }{12}(x-11))$

Putting x = 9 and solving

$y = 19 + 6 sin (\frac{\pi }{12}(9-11))\\y = 19 + 6 sin (\frac{\pi }{12}(-2))\\y = 19 + 6 sin (\frac{-\pi }{6})\\y = 19 + 6(-0.5)\\y = 19 - 3\\y = 16$

So, the temperature is y = 16° C at 9 AM.

WORD CLEMSON

Total Words = 7

Vowels = e, o = 2

Probability of selecting 2 vowels at the same time = P(2 Vowels) =?

We will use the formula of combinations nCr = n! / r! (n-r)!

As we are selecting three letter out of 7, the sample space will be 7C3

And

As there are only two vowels in the given word, and we have to find the probability of selecting two vowels so our event space will be 2C2.

P(2 Vowels) = 2C2 / 7C3

= 1/35

= 0.028 = 2.8%

So, The probability of selecting 2 vowels at the same time is 2.8%

7 0

4 years ago

F(1)=15<br> f(n)=f(n-1)*n<br> What does f(2) equal?

Arlecino [84]

Answer:

f(2) =30

Step-by-step explanation:

f(1)=15

f(n)=f(n-1)*n

Put in n=2

f(2)=f(2-1)*2

= f(1) *2

= 15*2

=30

3 0

3 years ago

Read 2 more answers

Trish takes out a furniture loan of $5500 and a simple interest rate of 6% per year which of the following is closest to the amo

Step2247 [10]

Answer:

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 6%/100 = 0.06 per year,

then, solving our equation

I = 5500 × 0.06 × 2.5 = 825

I = $ 825.00

The simple interest accumulated

on a principal of $ 5,500.00

at a rate of 6% per year

for 2.5 years is $ 825.00.

3 0

3 years ago