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hodyreva [135]
3 years ago
5

What is th he sum of the first seven terms of the series -3+6-12+24-...?

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

-129

Step-by-step explanation:

-3+6-12+24-48+96-192=

6+24+96-3-12-48-192=

126-255=

-129

Hope this helps!

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A2 − 6) and (a2 + 4) are the factors of
I am Lyosha [343]

Polynomials are mathematical expressions involving variables raised with non-negative integers and coefficients. The polynomial whose factors are (a²-6) and (a²+4) is a⁴ - 2a² - 24.

<h3>What is a polynomial?</h3>

Polynomials are mathematical expressions involving variables raised with non-negative integers and coefficients(constants who are in multiplication with those variables) and constants with only operations of addition, subtraction, multiplication and non-negative exponentiation of variables involved.

Example: x²+3x+5 is a polynomial.

The polynomial whose factors are (a²-6) and (a²+4) is,

P(x) =  (a²-6)(a²+4)

      = a⁴ + 4a² - 6a² - 24

      = a⁴ - 2a² - 24

Hence, The polynomial whose factors are (a²-6) and (a²+4) is a⁴ - 2a² - 24.

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brainly.com/question/27343162

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3 0
2 years ago
Which is the graph of f(x) = –(x + 3)(x + 1)?
yaroslaw [1]

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Step-by-step explanation:

If the measure of angle 1 is (3 x minus 4) degrees and the measure of angle 2 is (4 x + 10) degrees, what is the measure of angle 2 in degrees? A horizontal line. A line extends from the line to form a 90 degree angle. Another line cuts through the 2 lines to form angles 1 and 2, which total 90 degrees.

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What is 5 1/4% as a fraction?
Grace [21]

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The mixed number 5 1/4 is equal to the improper fraction 21/4.

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Find the distance from the point (1, 4) to the line y = 1/3x – 3.
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Step-by-step explanation:

Distance between the line is

= √ ((9-0)²+(0+1)²)

= √ (89+1)

= √90

= 3√10

Half of the line = 3/2√10

Distance of one side of the line and the point.

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= √((8)²+(-4)²)

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Distance between line and point =

4√5 -3/2√10

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