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djyliett [7]
2 years ago
5

Expand 3(n + 7) show FULL work

Mathematics
1 answer:
Brrunno [24]2 years ago
7 0

Answer:

3n + 21

Step-by-step explanation:

3(n + 7)

3n + 21

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Please, I need it ASAP!!!! I will give brainliest if correct!!!
LenKa [72]

Answer:

recursive: f(0) = 7; f(n) = f(n-1) -8

explicit: f(n) = 7 -8n

Step-by-step explanation:

The sequence is an arithmetic sequence with first term 7 and common difference -8. Since you're numbering the terms starting with n=0, the generic case will be ...

recursive: f(0) = first term; f(n) = f(n-1) + common difference

explicit: f(n) = first term + n·(common difference)

To get the answer above, fill in the first term and common difference values.

4 0
2 years ago
Are 1/3 and 3/6 equal equivalent fractions?
Pavlova-9 [17]
Yes they are equivalent fractions
7 0
3 years ago
Read 2 more answers
an initial population of 5 squirrels increases by 9% each year for 10 years.using x for years and y for the number of squirrels,
ivann1987 [24]

Answer:

Equation: y(1.09)^x

After 10 years there will be about 12 squirrels.

Step-by-step explanation:

y(1.09)^x

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=(approx.) 12 squirrels

5 0
2 years ago
Solve for x.<br> (17x - 23)<br> (&amp;r - 4)*<br> -(3x + 17)
Finger [1]

Answer:

17rx2−23rx−71x+75

Step-by-step explanation:

(17x−23)(xr−4)−(3x+17)

=(17x−23)(xr−4)+−1(3x+17)

=(17x−23)(xr−4)+−1(3x)+(−1)(17)

=(17x−23)(xr−4)+−3x+−17

=(17x)(xr)+(17x)(−4)+(−23)(xr)+(−23)(−4)+−3x+−17

=17rx2+−68x+−23rx+92+−3x+−17

=17rx2+−68x+−23rx+92+−3x+−17

=(17rx2)+(−23rx)+(−68x+−3x)+(92+−17)

=17rx2+−23rx+−71x+75

6 0
3 years ago
All the numbers that round to 80
Greeley [361]
75,76,77,78,79,80,81,82,83,84

5 0
3 years ago
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