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Mila [183]
3 years ago
14

PLEASE HELP ASAP What is the sum of the first 7 terms of the series: -8 + 16 - 36 + 64 -...?

Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0
-12

-8+16-36+64-112+188-124
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In parallelogram LMNP if PQ=21 find QM.
Simora [160]

Answer:

QM = 21

Step-by-step explanation:

The diagonals of a parallelogram bisect each other, then

QM = PQ = 21

8 0
3 years ago
Write an equation for the cubic polynomial function whose graph has zeroes at 2, 3, and 5.
TiliK225 [7]

we know that

For a polynomial, if x=a is a zero of the function, then (x−a) is a factor of the function. The term multiplicity, refers to the number of times that its associated factor appears in the polynomial.

So

In this problem

If the cubic polynomial function has zeroes at 2, 3, and 5

then

the factors are

(x-2)\\ (x-3)\\ (x-5)

Part a) Can any of the roots have multiplicity?

The answer is No

If a cubic polynomial function has three different zeroes

then

the multiplicity of each factor is one

For instance, the cubic polynomial function has the zeroes

x=2\\ x=3\\ x=5

each occurring once.

Part b) How can you find a function that has these roots?

To find the cubic polynomial function multiply the factors and equate to zero

so

(x-2)*(x-3)*(x-5)=0\\ (x^{2} -3x-2x+6)*(x-5)=0\\ (x^{2} -5x+6)*(x-5)=0\\ x^{3} -5x^{2} -5x^{2} +25x+6x-30=0\\ x^{3}-10x^{2} +31x-30=0

therefore

the answer Part b) is

the cubic polynomial function is equal to

x^{3}-10x^{2} +31x-30=0

7 0
3 years ago
Read 2 more answers
Help pls. i rlly need help
exis [7]

Answer: the Stamp Act imposed a direct tax on the colonists. Specifically, the act required that, starting in the fall of 1765, legal documents and printed materials must bear a tax stamp provided by commissioned distributors who would collect the tax in exchange for the stamp.Jul

Step-by-step explanation:

No explanation

8 0
2 years ago
What is 3 to the power of -4 as a fraction?
ivolga24 [154]
The answer is 1/81 :)
3 0
3 years ago
Read 2 more answers
Which of the following is the graph of:<br>(x-3)^2+(y+1)^2=9?​
Marianna [84]
<h3>Answer: Choice A</h3>

center = (3, -1)

radius = 3

==================================================

Explanation:

Rewrite the y+1 as y-(-1). Rewrite the 9 as 3^2

Then compare to the general form (x-h)^2+(y-k)^2 = r^2

You should find that h = 3, k = -1 and r = 3.

The center is (h, k) = (3,-1) and the radius is r = 3.

Choice A matches with that description.

8 0
3 years ago
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