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Triss [41]
3 years ago
10

The zeros of a quadratic function are -7 and 3. Which of the following could be the function? Select all that apply.

Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

Answer:

B and C

Step-by-step explanation:

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This is my last question i promise
VladimirAG [237]

Answer:

ok

Step-by-step explanation:

x+7+25+2x+4=180

3x+11+25=180

3x=180-36

3x=144

<em>x</em><em>=</em><em>1</em><em>4</em><em>4</em><em>/</em><em>3</em>

<em>x</em><em>=</em><em>4</em><em>8</em>

6 0
2 years ago
The second term in a geometric series is 10, and the seventh term is 10,240. Find the sum of the first six terms.
just olya [345]

Answer:

The sum of the first 6 terms is 3,412.5.

Step-by-step explanation:

The second term of the geometric series is given by:

a_{2}=a_{1}*r

Where a1 is the first term and r is the common ratio. The seventh term can be written as a function of the second term as follows:

a_{7}=a_{1}*r^{6} \\a_{7}=a_{2}*r^{5} \\10,240 = 10*r^{5}\\r=\sqrt[5]{1024} \\r = 4

The sum of "n" terms of a geometric series is given by:

a_{1} = \frac{10}{4} = 2.5\\S_{n}=a_{1}(\frac{r^{n}-1 }{r-1})\\S_{6}=2.5(\frac{4^{6}-1 }{4-1})\\S_{6}=3,412.5

The sum of the first 6 terms is 3,412.5.

5 0
3 years ago
PLEASE HELP 
horrorfan [7]
The first answer is C. I can't read the second, try retyping it here?
8 0
3 years ago
Read 2 more answers
Describe a situation where it is easier to use decimals than fractions and explain why
iris [78.8K]
Multiplying non whole numbers , can it is a whole lot easier
4 0
3 years ago
Read 2 more answers
Which equations have the same value of x as Two-thirds (6 x + 12) = negative 24? Select two options.
Anna71 [15]

Answer:

4x+8=-24 and

4x=-32

Step-by-step explanation:

2/3(6x+12)=-24

or,12x+24=-72

or,x=-72-24/12

•°•x=-8

4x+8=-24

or,x=-24-8/4

•°•x=-8

4x=-32

or,x=-32/4

•°•x=-8

4 0
2 years ago
Read 2 more answers
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