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zaharov [31]
3 years ago
7

What is the factor of 7a+7b

Mathematics
1 answer:
Jet001 [13]3 years ago
3 0
7a + 7b
7(a) + 7(b)
7(a + b)
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Kisachek [45]

Answer:

D) 4

Step-by-step explanation:

|3| + |-1| = 3 + 1 = 4 \\

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What is the vertex form, f(x) = a(x − h)2 + k, for a parabola that passes through the point (1, −7) and has (2, 3) as its vertex
kondaur [170]

Answer:

Vertex form: f(x) = -10(x − 2)^2 + 3

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Step-by-step explanation:

h and k are the vertex coordinates

Substitute them in the vertex form equation:

f(x) = a(x − 2)^2 + 3

Calculate "a" by replacing "f(x)" with -7 and "x" with 1:

-7 = a(1 − 2)^2 + 3

Simplify:

-7 = a(1 − 2)^2 + 3

-7 = a(-1)^2 + 3

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-10 = a

Replace a to get the final vertex form equation:

f(x) = -10(x − 2)^2 + 3

Convert to standard form:

y = -10(x − 2)^2 + 3

Expand using binomial theorem:

y = -10(x^2 − 4x + 4) + 3

Simplify:

y = -10x^2 + 40x - 40 + 3

y = -10x^2 + 40x - 37

6 0
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BabaBlast [244]

Answer:

there are 36 girls

Step-by-step explanation:

ratio is 3 to 4

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3 years ago
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