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borishaifa [10]
2 years ago
15

F(x) = 5x^2 + 9x – 4 g(x) = – 8x^2 – 3x – 4 Find (f + g)(x).

Mathematics
1 answer:
svp [43]2 years ago
3 0

Answer:

(f + g)(x) = – 3x^2 + 5x - 8

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

= 5x^2 + 9x – 4 + (– 8x^2 – 3x – 4)

= 5x^2 + 9x – 4 – 8x^2 – 3x – 4

Combine

= – 3x^2 + 5x - 8

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7 0
2 years ago
23 students are making smiley faces from macaroni noodles. The teacher got a box of macaroni’s that has 276
drek231 [11]

Answer:

12 noodles

Step-by-step explanation:

If each child is given x amount of noodles, and there are 276 noodles to split among 23 students, set up the equation as seen below:

276÷23=12

276 noodles divided by 23 children = 12 noodles per child.

3 0
2 years ago
What is the slope of a line parallel to the line whose equation is
Lyrx [107]

Answer:

slope = 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

9x - 3y = - 54 ( subtract 9x from both sides )

- 3y = - 9x - 54 ( divide all terms by 0 3 )

y = 3x + 18 ← in slope- intercept form

with slope m = 3

Parallel lines have equal slopes, thus

slope of parallel line is 3

8 0
2 years ago
How to find the surface area of a triangular prism ? Grade 6 style and easiest way possible
matrenka [14]
Alright so
Surface area = (width x height) + (length x width) + (length x height) + (length x side)

3 0
3 years ago
Estimate 2000 ÷3.67​
inysia [295]

Answer:

1.30

Step-by-step explanation:

2000^3.67 =1.3025071e+12

3 0
3 years ago
Read 2 more answers
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