3 years ago

5(x+2) = x + 30

Mathematics

1 answer:

denis-greek [22]3 years ago

6 0

Idek I wish I could help you

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Find an explicit formula for the geometric sequence -1,-7,-49,-343,.... Note : the first term should be d(1) . d(n) =

n200080 [17]

Answer:

Step-by-step explanation:

Given the sequence -1,-7,-49,-343,....

We are to find the nth term of the sequence

dn = ar^n-1

a is the first term = -1

r is the common ration = -7/-1 = -49/-7 = 7

n is the number of terms

Substitute

dn = -1(7)^n-1

dn = -7^n-1

hence the nth term of the sequence is dn = -7^n-1

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3 years ago

THE HORROR! HELP!!!!!

Arlecino [84]

A' (1,4)
B' (5,8)
C' (5,4)
D' (4,2)

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3 years ago

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NEED HELP ASAP!!!!!!!!!!

Alona [7]

Answer:

i dont know what your asking

Step-by-step explanation:

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3 years ago

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True or false , help please lol

Ilya [14]

False

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3 years ago

Roberto must make his costume for his school play. He needs a piece of fabric that is 2 2/3 yards long and 1 1/2 yards wide. Wha

erik [133]

Answer:

He will need 8.34 yards of fabric.

Step-by-step explanation:

Given that,

The length of the fabric, l = 2 2/3 yards = 8/3 yards

The width of the fabric, b = 1 1/2 yards = 3/2 yards

We need to find the piece of fabric Roberto needs. It is equal to the perimeter of the fabric such that,

$P=2(l+b)\\\\P=2(\dfrac{8}{3}+\dfrac{3}{2})\\\\P=2\times \dfrac{25}{6}\\\\P=8.34\ \text{yards}$

So, he will need 8.34 yards of fabric.

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3 years ago