the height, in feet, of Ferris wheel rider t seconds after the ride begins is given by h(t)=-35cos(2t)+45. What is the average rate of change of height, in feet per second, from time t=30 to t=45? (radians)

Answer:

a = -30

d = -32 - (-30) = -2

n = 96

So, using A.P. formula-

Tn = a + (n-1) d

T96 = -30 + (96-1) -2

T96 = -30 + (95) -2

T96 = -30 - 190

T96 = -220

plz mark as brainliest

Answer:

C

Step-by-step explanation:

or the third down from the top. Count the sides and multiply by how many layers

Answer:

Step-by-step explanation:

Shaded region (blue) is the difference of areas of big and small triangles

The answer options are incorrect

Answer:

area of shaded region =

= area of greater( TRAINGLE -smaller TRAINGLE )

=1/2×12×16-1/2×10×6

=6×16-5×6

=96-30

=66cm²

is your answer.

Answer:

−24x2+12xy+6x

Step-by-step explanation:

6x(2y−4x+1)

=(6x)(2y+−4x+1)

=(6x)(2y)+(6x)(−4x)+(6x)(1)

=12xy−24x2+6x

Answer:

225

Step-by-step explanation:

225 ÷ 9 =25

Answer:

[tex]\frac{3}{2}[/tex] square feet

Step-by-step explanation:

The dimensions of the photo is 4/5 by 1 7/8 of a foot.

But,

1 7/8 = [tex]\frac{15}{8}[/tex] feet

So that,

length of the photo = [tex]\frac{15}{8}[/tex] feet

width of the photo = [tex]\frac{4}{5}[/tex] feet

The area of the photo = length x width

                                     = [tex]\frac{15}{8}[/tex] x [tex]\frac{4}{5}[/tex]

                                     = [tex]\frac{60}{40}[/tex]

                                     = [tex]\frac{3}{2}[/tex]

Area of the painted photo is [tex]\frac{3}{2}[/tex] square feet.

Answer:

A. 1⅛ + m = 2⅔

[tex] m = 1\frac{13}{24} [/tex]

Step-by-step explanation:

Cups of milk at breakfast = 1⅛

Cups of milk after breakfast = m

Total cups of milk by the end of the day = 2⅔

Thus:

Total cups of milk by the end of the day = cups of milk at breakfast + cups of drink after breakfast

Therefore:

1⅛ + m = 2⅔ (equation)

Solve for m

Subtract 1⅛ from each side

m = 2⅔ - 1⅛

Convert to improper fraction

m = 8/3 - 9/8

m = (64 - 27)/24 = 37/24

[tex] m = 1\frac{13}{24} [/tex]

Answer:

t-6=7

Step-by-step explanation:

Answer:

6-t=7

Step-by-step explanation:

Answer:

6.24

Step-by-step explanation:

To find the area of the triangle, it is base times height divided by 2 after you multiply. Height is 90 degrees from base so remember that.

In this example, do (2.6 x 4.8)/2

Equals 6.24

Answer:

c.750+60t s6500

this is the correct one

Answer:

48 ft

Step-by-step explanation:

this is because the perimeter of the room is its sides so first you 9x2=18

then 14x 2= 28 and then 28 + 18 and you get 48 ft

Answer:

5/12

pls Mark as brainliest

Answer:

So.. Liliana used 4 crystals to race 14 zombie soldiers.

14 / 4 = 3.5. She can race 3.5 zombie soldiers if she uses 1 crystal. So, all you need to do it multiply 3.5 by 10 and you end up with 35.

So, Liliana is able to race 35 zombie soldiers with 10 power crystals.

Glad I could help!

Step-by-step explanation:

Answer:

x=4 or -4

y=5

Step-by-step explanation:

2x-3=x+9

=3x=12

=x=12/3

x=4( could also be -4)

y=(4x2)-3

y=5

Answer:

Yes, indeed. 12 :)

Step-by-step explanation:

Answer:

im viry smort soda ansr iz 21

also fluffy milk horse to brighten everyones day (unless you have a fear of cows, then im sorry)

Answer:

i do not know

Step-by-step explanation:

Answer:

it is 10in.

Step-by-step explanation:

9514 1404 393

Answer:

  (b)  ... because of the AA similarity postulate

Step-by-step explanation:

The problem statement tells you that you are showing ∠F≅∠C. We already know that ∠A≅∠D, because they are both marked as right angles. Thus the given mapping results in two of the three angles being shown congruent, allowing you to conclude ...

  ΔABC ~ ΔDEF because of the AA similarity postulate . . . . choice B

Answer: 0.01369863 times per gold

Step-by-step explanation:

convert to a decimal by dividing the numberator by the denominator

Answer:

Multiplication

Step-by-step explanation:

To convert from a larger unit to a smaller unit, we multiply. This is because the number will become greater since the unit is smaller.

Example:

1 m ⇒ ×100 ⇒ 100 cm

We use division when converting from a smaller unit to a larger unit since the number will become smaller as the unit becomes greater.

Example:

100 cm ⇒ ÷100 ⇒ 1 m

I hope this helps!

Answer:

Step-by-step explanation:

the scale factor is 0.8:20

since the line is 239 miles long, divide by 20

239/20 = 11.95

multiply by 0.8

11.95 x 0.8 = 9.56

Answer:

Step-by-step explanation:

We have following equations:

Simplify the equations:

Add up the equations and solve for r:

Substitute r into second equation:

Solving we get

Find r:

Answer:

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

❤❤❤❤❤❤❤❤❤❤❤❤❤

Have a great day ❤

Answer:

8

Step-by-step explanation:

YOU'REWELCOMEADFHTGHEFGREEWJUIFGYREHFBNCNBASDFHJLKJHGFDS

Answer:

539 cubed for the volume, and the base could be either 77 or 49 squared.

Step-by-step explanation:

7x7x11= 539

7x7 is 49

7x11 equals 77

Answer:

y=6x

Step-by-step explanation:

y-y1=m(x-x1)

y-0=6(x-0)

y=6(x)

y=6x

Answer:

60?

Step-by-step explanation:

Answer:

60

Step-by-step explanation:

15x4 equals 60