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koban [17]
3 years ago
10

Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!!

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
6 0

Answer:

101

Step-by-step explanation:

h(t)= -20+11t

h(11)= -20+11(11)

h(11)= -20+121

h(11) = 101

Kitty [74]3 years ago
3 0

Answer & Step-by-step explanation:

In the problem, we are given an equation. h(t) = -20 + 11t

In the equation, t represents an unknown value. So, if we are given a number that is in the replacement of t, then we can plug that number in to where t is at.

t = 11

h(11) = -20 + 11(11)

h(11) = -20 + 121

h(11) = 101

So, h(11) is equal to 101

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The volume of a cone is 16 pi cubic inches. Its height is 12 inches. What is the radius of the cone? 2 in. 4 in. 12 in. 16 in.
mart [117]

The radius of cone is 2 inches

<em><u>Solution:</u></em>

<em><u>The volume of cone is given by formula:</u></em>

V = \frac{\pi r^2h}{3}

Where,

"V" is the volume of cone

"r" and "h" are the radius and height of cone respectively

Given that, volume of a cone is 16 pi cubic inches

Its height is 12 inches

Therefore, we get,

V = 16 \pi cubic inches

h = 12 inches

r = ?

<em><u>Substituting the values in formula, we get</u></em>

16 \pi = \frac{ \pi \times r^2 \times 12}{3}\\\\16 = 4r^2\\\\r^2 = 4\\\\r = \pm 2

Since, radius cannot be negative, ignore r = -2

Thus radius of cone is 2 inches

8 0
3 years ago
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Find the length of an arc of 40 degrees in a circle with an 8 inch radius.​
gregori [183]

Answer:

16π/9

Step-by-step explanation:

40°/360° = 1/9

40° is 1/9 of a circle

Arc length = 1/9 of circumference = (1/9)2πr = 16π/9

7 0
2 years ago
3&lt;2x-4&lt;8 help plz im, in a tesyt
Anastaziya [24]

Answer:

7/2<x<6

Step-by-step explanation:

i think is this wait for someone ele to answer to be sure

4 0
3 years ago
Solve the system of equation 8x+5y=24<br> y=-4x​
Natasha_Volkova [10]

Answer:

x=-2, y=8. (-2, 8).

Step-by-step explanation:

8x+5y=24

y=-4x

----------------

8x+5(-4x)=24

8x-20x=24

-12x=24

x=24/-12

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8 0
3 years ago
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HELP I give big brain! See attachment
Makovka662 [10]

Answer:

35

Step-by-step explanation:

Here is the full steps:

Distribute

-7(x+10)=7(5-x)

-7x-70=7(5-x)

Distribute

-7x-70 = 35-7x            → Answer for the attachment "35"

Add 70  to both sides of the equation

-7x-70+70=-7x+35+70

Simplify

-7x=-7x+105

Add 7x  to both sides of the equation

-7x+7x=-7x+105+7x

0 = 105

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2 years ago
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