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2 years ago

11

Pls help pls pls pls pls URGENT!!!!!!!! PLS SOMEONEEEEE

2 answers:

kirill [66]2 years ago

6 0

Answer:

1. 51

2. 30

Step-by-step explanation:

almond37 [142]2 years ago

3 0

Female students that participate: 51
male students that don’t: 30

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2 years ago

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Using the graph below, what is the value of f(6) ?

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$f(6) = - 2$

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2 years ago

The figure represents the shape of a kitchen floor. What is the area? (round to the nearest hundredth)

Murljashka [212]

We would divide the shape into a rectangle and a trapezium

The rectangle is of length, 24.5 ft and width 10.75 ft

Area = 24.5 * 10.75 = 263.375 square feet.

Trapezium : Parallel sides are 18.5 ft and 24.5 ft
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3 years ago

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What is the vertex of Y equals X to the second power -4x-5

Fed [463]

Answer:

vertex = (2, - 9 )

Step-by-step explanation:

Given a quadratic in standard form : ax² + bx + c : a ≠ 0

Then the x- coordinate of the vertex is

$x_{vertex}$ = - $\frac{b}{2a}$

x² - 4x - 5 ← is in standard form

with a = 1, b = - 4, thus

$x_{vertex}$ = - $\frac{-4}{2}$ = 2

Substitute this value into the quadratic for corresponding value of y

(2)² - 4(2) - 5 = 4 - 8 - 5 = - 9

vertex = (2, - 9 )

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3 years ago