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8_murik_8 [283]
3 years ago
9

BRAINLIEST FOR SOLVING THESE

Mathematics
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

1st a 2nd is c give me brianliest please pls pls

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Which of the following is in the solution set to 3x - y = 12? (hint: what
expeople1 [14]
3(8)-12=12
24-12=12
The fourth choice.
Yeah I think you already got it
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2 years ago
A square pyramid has a base side length of 8 feet. The height of each lateral face is 12 feet. What is the surface area of the p
iragen [17]
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2 years ago
The width of a rectangle is 12 less than twice the length, and the area of the rectangle is 270m2.
NikAS [45]

Answer:

5

Step-by-step explanation:


8 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
Greeley [361]

Answer:

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Step-by-step explanation:

6 0
2 years ago
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

Standard form: y = -10x^2 + 40x - 37

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

-7 = a + 3

-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
3 years ago
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