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Alona [7]
2 years ago
6

A geometric sequence has u4= -70 and u7=8.75 Find the second term of the sequence.

Mathematics
1 answer:
Kobotan [32]2 years ago
5 0

Answer:

-122.5

Step-by-step explanation:

Difference = 7 - 4 = 3 terms; 8.75 - (-70) = 78.75

1 term → 78.75/3 = 26.25

therefore, u2 = - 70 - 2(26.25) = -122.5

Topic: Patterns + Common difference

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

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IRISSAK [1]

Answer:

Find the inverse of g(x)=1/x-1+2 :

g^{-1} (x)=\frac{1}{x-1}

5 0
2 years ago
Write this in standard form y+2=-3/4(x+1) that -3/4 is a fraction plz show work!!
pentagon [3]
Y+2=-3/4(x+1)
y+2=-3x/4 -3/4
y=-3x/4 - 3/4 - 2
y = -3x/4 - 3/4 - 8/4
y = -3x/4 - 11/4
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3 years ago
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Likurg_2 [28]
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8 0
3 years ago
A triangular frame has sides that measure 15'-7",20'-4" and 26'-2". What is the total length of three sides?
tatuchka [14]

we know that

1\ foot=12\ inches

1'=12"

<u>Part 1) </u>

we know that

side 1=15'-7"

side 2=20'-4"

side 3=26'-2"

To find the total length of three sides sum the three sides

so

total length=side 1+side 2 +side 3

substitute

total length=15'-7"+20'-4"+26'-2"

total length=(15'+20'+26')+(7"+4"+2")

total length=(61')+(13")

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substitute

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therefore

<u>the answer is</u>

the total length of three sides is 62'-1"

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3 years ago
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