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nikklg [1K]
3 years ago
10

Can someone answer this question

Mathematics
2 answers:
anyanavicka [17]3 years ago
7 0
D. (f•g)(x) = fgx
f(x) = 3x^2
f=3x
(3x)(x+2)=3x^2 + 6x
NemiM [27]3 years ago
6 0
The correct answer is D.
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Can someone please answer. There is one question. There a picture. Thank you!
Anuta_ua [19.1K]
Ok so you need the surface area formula of a cone.

A = πrl +  πr∧2

where π = 3.14 (pi) 
           r = half of the diameter (18/2 = 9)
           l = slant hight ( 22 )
Slot this into the equation  A =  (3.14 [ rounded] )(9)(22) + (3.14 [ rounded] )(9)∧2 = 876.06 this is due to the rounded pi the answer is 876.5 i.e the third.

Hope this helps :D.
6 0
3 years ago
Solve the system of equations -3x-5y=-16 and 4x+6y=16
Ann [662]

Answer:

x=-56 y=80

Step-by-step explanation:

solved with delta way

7 0
2 years ago
Help please!!! 10 points
Sever21 [200]

Answer:

the y intercept is 0

Step-by-step explanation:

y=5x

there is a 0 as y inter

8 0
3 years ago
Read 2 more answers
2. One angle is one less than six times the measure of
Illusion [34]

The equations used to find the measure of each angle in degrees is x + y = 90 and x = 6y - 1

The two complementary angles are 77 degrees and 13 degrees

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

Given that two angles are complementary angles

Complementary angles are two angles whose sum is 90 degrees

Let one of the angle be "x" and the other angle be "y"

Therefore,

x + y = 90 ------ eqn 1

Also given that,

One angle is one less than six times the measure of  another

one angle = six times the other angle - 1

x = 6y - 1 ------ eqn 2

Substitute eqn 2 in eqn 1

6y - 1 + y = 90

Thus the above equation is used to find the measure of each angle in degrees

Solve the above equation

6y + y - 1 = 90

7y - 1 = 90

7y = 91

y = 13

Substitute y = 13 in eqn 2

x = 6(13) - 1

x = 78 - 1

x = 77

Thus the two complementary angles are 77 degrees and 13 degrees

8 0
3 years ago
Dave is selling hand made masks for $8 per mask. He has already earned $120. Dave wants to make a total profit of more than $400
andrey2020 [161]

Answer:

I dont no

Step-by-step explanation:

4 0
2 years ago
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