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makvit [3.9K]
3 years ago
15

Solve for the equation 1+(11-7x)^1/4=4 for x.

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
6 0
1+(11-7x)^1/4=4
    (11-7x)^1/4=4-1
    (11-7x)^1/4=3
             11-7x=3(4)
                -7x=12-11
                -7x=1
                   x=-1/7
Gwar [14]3 years ago
4 0
-10.

(11-7x)^1/4 =3
(11-7x)=81
-7x=70
X=-10
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∠85° is supplementary to which of the following angles?
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Answer:

∠95

Step-by-step explanation:

Hello There!

the measure of supplementary angles add up to equal 180

so to find an angle that is supplementary to angle 85 we subtract it from 180

180-85-95

so an angle that is supplementary to angle 85 would have a measure of 95 degrees

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3 years ago
Determine which value is a solution to the open sentence. 3 + 6x = 21
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How can I find the volume of a cone 9 radius and 18 height​
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Answer:

V = 486\pi, or approx. 1,526.814

Step-by-step explanation:

V = \pi*r²*(h/3)

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6 0
3 years ago
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Write a recursive formula and an explicit formula for the following arithmetic sequence: -1,6,13,20,27
Luden [163]

Answer:

Recursive formula is: a_1=-1 ; \ \ a_n=a_{n-1}+7

Explicit formula is: a_n=7n-8

Step-by-step explanation:

We need to find recursive formula and explicit formula for arithmetic sequence -1,6,13,20,27

In the given sequence First term a₁= -1

Common difference d = 7

Finding Recursive Formula

The recursive formula is of type:a_1= First \ term and a_n=a_{n-1}+d

Since the First term a₁ is -1 and common difference d is 7 so, the recursive formula  for given arithmetic sequence will be:

a_1=-1 ; \ \ a_n=a_{n-1}+7

Finding Explicit Formula

The explicit formula is of type: a_n=a_1+(n-1)d

We have

First term a₁= -1

Common difference d = 7

So, explicit formula will be:

a_n=-1+(n-1)7\\a_n=-1+7n-7\\a_n=7n-8

So, explicit formula is: a_n=7n-8

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3 years ago
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