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svetlana [45]
3 years ago
11

I need help with this math problem not sure what to do?​

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

Answer:

B. 14

Step-by-step explanation:

It's asking for function f + function g. Then it wants you to use 2 as the x value. So you have:

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

(f+g)(x) = 2x^2 + 4x -2

Then using 2 as x:

(f+g)(2) = 2(2^2) + 4* 2 -2

(f+g)(2) = 8 + 8 - 2

(f+g)(2) = 14

Hope that helps, and let me know if I did any of that wrong.

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Last week, there were 450 student absences at Johnson High. The circle graph below summarizes them by the day of the week on whi
Rus_ich [418]

Answer:

Percentage of absentees on Tuesday = 16%

Step-by-step explanation:

Sum of all central angles representing days = 360°

Central angle of the sector representing Tuesday = 57.6°

Therefore, percentage absentees on Tuesday

= \frac{\text{Measure of central angle for Tuesday}}{\text{Sum of all central angles}}\times 100

= \frac{57.6}{360}\times 100

= 16%

Percentage of absentees on Tuesday = 16%

7 0
3 years ago
Jen and sarah go to lunch at green grill. Their meals total $28. If the two want to split the costof everything (bill,tax,and ti
Lyrx [107]

Answer: $14

Step-by-step explanation:

From the question, cost of total meal is $28

To be split between 2 people, we divide the cost of total meal by 2.

28 ÷ 2= $14 each.

I hope this helps.

8 0
3 years ago
6(2x - 5) – --3(9 + 4x)
miskamm [114]

Answer:

-27-12x

Step-by-step explanation:

6(2x - 5) – --3(9 + 4x)

-3(9+4x)

-3 x 9 - 3 x 4x

-27-12x

6 0
3 years ago
An ellipse has a center at the origin, a vertex along the major axis at (20, 0), and a focus at (16, 0). The equation of the ell
Akimi4 [234]
I just did this, the answer is 12 :) hope that helps!
6 0
3 years ago
Read 2 more answers
Mrs Smith plants 5000 seeds per year. If 1/4 of them die and 1/5 lost in transport. How many plants would be left to sell
ycow [4]
1/4 of 5000 is 1250
1/5 of 5000 is 1000
1250 + 1000 = 2250
5000- 2250 = 2750
2750 will be left to sell
3 0
3 years ago
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