2 years ago

HALP PLLLLLLZZZZZZZ ILL GIVE U BRAINLIEST!!

Mathematics

1 answer:

insens350 [35]2 years ago

8 0

The answer to your question is A

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If f(x) = 2x + 3 and g(x) = 3x - 9, find (f + g)(x).

coldgirl [10]

Answer:

5x-6

Step-by-step explanation:

f(x) = 2x + 3

g(x) = 3x - 9

f(x) + g(x) = 2x + 3 + 3x-9

= 5x-6

5 0

2 years ago

5/2+18/5+11/4 what is the answer for this question

Likurg_2 [28]

Answer:

Step-by-step explanation:

basicallyi you want to find a common denominator before you add them up. the common denominator in this case would be 20, since it's the first common multiple all of them share

50/20 plus 72/20 plus 55/20

177/20 would be your answer

3 0

2 years ago

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When five is added to three more than a certain number, the result is 19. What is the number?

pshichka [43]

Answer:

11 easy

Step-by-step explanation:

5 plus the three from the three more makes 8 eight minus 19 is 11

3 0

2 years ago

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Which table represents the same proportional relationship as the question y=36?

mezya [45]

The third answer is ok

7 0

3 years ago

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The assumptions made are: The gas molecules from Caesar's last breath are now evenly dispersed in the atmosphere. The atmosphere

Dovator [93]

Answer:

$2.6\times 10^{19}m^{3}$

Step-by-step explanation:

we have given thickness of atmosphere =50 km

radius of earth =6400 km

average temperature of atmosphere=15°C

Average pressure of atmosphere= 0.20 atm

we have to calculate the volume of atmosphere

so the we have to calculate the volume of atmosphere = ( volume of earth +atmosphere) - volume of earth

volume of atmosphere = $\frac{4}{3}\times\pi \times \left ( 6400+50 \right )^{3}-\frac{4}{3}\times \pi\times 6400^3$

= $2.6\times 10^{19}m^{3}$

6 0

3 years ago