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3 years ago

If f(x) = 2x^2+3, find f(a+2)

Mathematics

1 answer:

zzz [600]3 years ago

6 0

Answer:

2a²+8a+7

Step-by-step explanation:

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Twice the difference between a number

Alecsey [184]

Answer:

Let x = the number

2(x-5) = 9

2x - 10 = 9

2x = 19

x = 9.5

Step-by-step explanation:

7 0

3 years ago

May someone help me with this equation, please <br> 95=20x + 5

arsen [322]

Answer:

The answer is 9/2 or decimal form is 4.5 i gave you the work in the screenshot below hope it helps :)

Step-by-step explanation:

6 0

3 years ago

The temperature started at 82° and continued to rise at a rate of 0.6° each hour the temperature is now 85° determine the number

Gnesinka [82]

Answer:

5 hours

Step-by-step explanation:

Our goal here is 3 F because 82+3=85

Ok so you start at 82. For example, you can do 0.6×1=0.6 (no)

0.6×2=1.2 (no)

0.6×3=1.8 (no)

0.6×4=2.4 (no)

0.6×5=3 (yes)

82°+3°=85°

8 0

3 years ago

The number of lines that can be drawn perpendicular to a given line at a given point on that line in a plane is

Neko [114]

Only one.
it has a long proof.

3 0

3 years ago

Read 2 more answers

A ball is thrown into the air from the roof of a building that is 25

guapka [62]

See https://web2.0calc.com/questions/help_29603.

6 0

3 years ago