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VLD [36.1K]
3 years ago
13

The quadratic function h(t)=-16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after it is dropped from a 15

story building. From what height, in feet, was the ball dropped?
Mathematics
1 answer:
RideAnS [48]3 years ago
8 0

The ball is dropped from a building and the quadratic function which models the ball`s height is:

h ( t ) = - 16.1 t² + 150

We can find the initial height if we calculate h ( 0 ), or the height for : t = 0 sec.

h ( 0 ) = -16.1 · 0² + 150 = 0 + 150 = 150 ft

Answer:

The ball was dropped from 150 feet.

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The cafeteria sold 200 grilled cheese sandwiches, 100 tacos, and 150 grilled chicken salads. What is the ratio of grilled chicke
zzz [600]

Answer:

3:2:1

Step-by-step explanation:

2 is the grilled chicken

Hope this helps.

5 0
4 years ago
Simplify this algebraic expression.<br><br> y-3/3+12<br> A.y+11<br> B.y-5<br> C.y+13<br> D.y-11
arlik [135]

Answer:

A. y+11

Step-by-step explanation:

-3/3 = -1

12 + ( -1 ) = 11

y + 11

hope this helped :)

3 0
3 years ago
Why do whole numbers raised to an exponent get greater while fractions raised to an exponent get smaller
kolezko [41]
An exponent tells how many times a number is multiplied by it self . with whole numbers if you keep multiplying them they have to increase . taking a half of anythink  makes it smaller .
7 0
4 years ago
Let P(x) = F(x)G(x) and Q(x) = F(x)/G(x), where F and G are the functions whose graphs are shown.
Leto [7]
Hello,

Very nice like question!

a)
F(2)=3 ; G(2)=2
F'(2)=0; G'(2)=1/2
P'(x)=F'(x)*G(x)+F(x)*G'(x)

P'(2)=0*2+3*1/2=3/2

b)
F(7)=5; G(7)=1
F'(7)=1/4; G'(7)=-2/3

Q'(x)=(F'(x)*G(x)-F(x)*G'(x)) / G²(x)

Q'(7)=(1/4*1-5*(-2/3))/1²=1/4+5/3=23/12




7 0
3 years ago
Trig questions above solve for x and round to the nearest tenth
Alik [6]

Answer:

x= 51.3

x=35.1

Step-by-step explanation:

10.)

For this one we have the adjacent side and the hypotonouse

Which means we'll use CAH

cos(x)=25/40

x= 51.31781255

(assuming that we have to round to the nearest tenth again)

x=51.3

12.)

For this one we have the adjacent and hyptonouse

we'll use CAH again

cos(x)=27/33

x= 35.09680123

x=35.1

7 0
3 years ago
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