2 years ago

If f(x)=x+8 and g(x)=-4-3 find (f+g)(x)

Mathematics

1 answer:

Lilit [14]2 years ago

3 0

Answer:

(f+g)(x) = -3x+5

Step-by-step explanation:

f(x)=x+8 and g(x)=-4x-3

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

= x+8+-4x-3

= -3x+5

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A rectangular flowerbed at a city park has an area of 126 square meters.the width of the flowerbed is 3 meters.what is the perim

Alona [7]

First we need to find the length. So we do 126/3 to get 42. The length is 42. Now to find perimeter we do 2(42)+2(3) or 42+42+3+3.

Both ways are right ways. The perimeter is 90 meters.

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6 0

3 years ago

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Morgarella [4.7K]

$\text{mass of freight train} = 9.98 \times {10}^{6} kg$

$\text{mass of aircraft carrier} = 7.3 \times {10}^{7} \: kg$

$\text{difference of masses of aircraft and train: } \\ \\ 7.3 \times {10}^{7} - 9.98 \times {10}^{6} \\ \\ = 73 \times {10}^{6} - 9.98 \times {10}^{6}$

$= (73 - 9.98 )\times {10}^{6} \\ \\ = 63.02 \times {10}^{6} \\ \\ = 6.302 \times {10}^{6} \: kg \\ \\ \approx 6.3 \times {10}^{6} \: kg$

Approximately, aircraft carrier is 6.3 × 10^6 kg heavier than the freight train.

7 0

2 years ago

3x+2y-5z=-1 4x-3y+2z=-13 2x-5y+4z=-9

Lina20 [59]

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I just guessed but here

5 0

2 years ago

What is 17.5 times 2.48 show ur work (like this heres an example)

crimeas [40]

I multiplied 17.5 times 2.48 and got 43.4

3 0

2 years ago

What’s does 3/5 + 1/3 equal

Pie

Answer:

Step-by-step explanation:

3/5 + 1/3

taking lcm we get 15

= 3 * 3 + 1 * 5

= 9 + 5

=14/ 15

4 0

3 years ago

Read 2 more answers