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ira [324]
3 years ago
14

Find an explicit formula for the geometric sequence −8 ,−40 ,−200 ,−1000,...

Mathematics
1 answer:
Leokris [45]3 years ago
4 0

Answer:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence

Step-by-step explanation:

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2 lines form intersecting at a right angle a. form a line b. are parallel b. are perpendicular c. form a ray​
Nonamiya [84]
Two lines intersecting at a right angle would be perpendicular. Parallel lines do not cross or touch each other, and rats don’t form right angles. Perpendicular lines are horizontal and vertical crossing together to form a right angle.

Hope this helps!
5 0
3 years ago
12percent of what number is 45
Molodets [167]
45 / 0.12 = 375
Answer: 375
8 0
3 years ago
Read 2 more answers
The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function: I = -425x^2 + 45,5
lord [1]

We are given

The average income, I, in dollars is

I=-425x^2+45500x-650000

(a)

now, we are given

average income is $275000

so, I=275000

now, we can set them equal

and then we can solve for x

275000=-425x^2+45500x-650000

-425x^2+45500x-925000=0

we will have to use quadratic formula

x=\frac{-45500+\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{-\sqrt{45500^2-1572500000}+45500}{850}

x=\frac{-45500-\sqrt{45500^2-4\left(-425\right)\left(-925000\right)}}{2\left(-425\right)}:\quad \frac{\sqrt{45500^2-1572500000}+45500}{850}

we get

x=27.28199

x=79.776

we need to find youngest age

It means that we need to choose smallest value

so,

x=27............Answer

(b)

we are given

x=40

so, we can plug it and find I

I=-425(40)^2+45500(40)-650000

I=490000..............Answer

6 0
3 years ago
X =<br> 95<br> (7x - 4)<br> (3x + 23)°<br> (9x – 6)
anygoal [31]

Answer:

661 is for the first 308 for second 849 for last

Step-by-step explanation:

3 0
2 years ago
The surface area of a rectangular prism is 115 square inches. What are possible dimensions of the prism?
Delvig [45]
I think D? not to sure
7 0
3 years ago
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