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yan [13]
3 years ago
12

Please help! NEED IT IMMEDIATELY

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0
Sorry, I’m in 7th grade lol
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Determine the resulting polynomial: f ( x ) = 7 x + 9 f(x)=7x+9 g ( x ) = − 5 x 2 − 2 x − 8 g(x)=−5x 2 −2x−8 Find: f ( x ) ⋅ g (
S_A_V [24]

:) Brainliest pls?

Answer:

f(x) * g(x) = -35x^3 - 59x^2 - 74x - 72

Step-by-step explanation:

If f(x) = 7x+9 ang g(x) = -5x^2 - 2x - 8, then

f(x) * g(x) will be:

(7x+9)(-5x^2 - 2x -8)

f(x) * g(x) = -35x^3 - 59x^2 - 74x - 72

7 0
3 years ago
Solve 6x+89(9)^2<br> 3(2x+2403)<br> 3(2x+234)<br> 6x+7209<br> which one would it be
iogann1982 [59]

Answer:

It would be the last one 6x+7209

Step-by-step explanation:

because it will be simplify not factor by

6 0
3 years ago
Read 2 more answers
John is driving around town. When he reaches the gas station, he notes that he has traveled 20 miles. He reaches home 2 hours la
Troyanec [42]

Answer:

d=5t+20

Step-by-step explanation:

The equation that will model this situation will be of the form

d=mt+b

where t is the time in hours john has traveled since the gas station, and  d is the distance.

Now we know that John has already traveled 20 miles when he is at the gas station, this means at t=0, d=20; or

20=m(0)+b

\boxed{b=20}

Thus we have

d=mt+20.

Now we need to figure out m.

When John reaches home 2 hours later he notes that he has traveled 30 miles, which means he has traveled 30 - 20 = 10 miles; thus we have

m= \frac{\Delta d}{\Delta t} =\frac{10 miles}{2hours} =5

\boxed{m=5}

Now we have the full equation:

\boxed{d=5t+20}

8 0
3 years ago
Find 10-3. Write the subtraction fact two ways. I know what 10-3 is but how do you write the subtraction fact two ways?
Neko [114]
You could also say something such as 10 + (-3) or |-10+3|.
3 0
3 years ago
Which sum of difference is modeled by the algebra titles?<br><br>help.​
GREYUIT [131]

Answer:

it is A

Step-by-step explanation:the red color is to subtract or negative value and the blue one is for addition or positive value

-x^2-2x+4 the first row

-(x^2+2x+1) for  the second row or (-x^2-2x-1) is the same

put it together

-2x^2-4x+3

3 0
3 years ago
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