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mrs_skeptik [129]
3 years ago
9

PLEASE HELP AHHH I-. I need help lol

Mathematics
2 answers:
tino4ka555 [31]3 years ago
8 0

Answer:

3

Step-by-step explanation:

Pie3 years ago
4 0

Answer:

264

Step-by-step explanation:

do 20 mulitplyed by 30 then subtracted it by 336

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Write the sum as a product of two factors: 12a + 16b + 8
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Dennis_Churaev [7]

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She will have $71.32.

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Write an appropriate direct variation equation if y = 18 when x = 2
Sergeu [11.5K]

Answer:

y=9x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In this problem we have

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3 years ago
A rocket is launched from a tower. The height of the rocket , y in feet, is related to the time after launch, x in seconds, by t
Nikolay [14]
<h3>Answer:  Max height = 455.6 feet</h3>

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

Explanation:

The general equation

y = ax^2 + bx + c

has the vertex (h,k) such that

h = -b/(2a)

In this case, a = -16 and b = 147. This means,

h = -b/(2a)

h = -147/(2*(-16))

h = 4.59375

The x coordinate of the vertex is x = 4.59375

Plug this into the original equation to find the y coordinate of the vertex.

y = -16x^2+147x+118

y = -16(4.59375)^2+147(4.59375)+118

y = 455.640625

The vertex is located at (h,k) = (4.59375, 455.640625)

The max height of the rocket occurs at the vertex point. Therefore, the max height is y = 455.640625 feet which rounds to y = 455.6 feet

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3 regular sodas and 1 diet
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