3 years ago

Answer this question

Mathematics

1 answer:

Anastaziya [24]3 years ago

7 0

The answer is D
Explanation)
Multiplication identity property is when a factor is multiplied by 1

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PLEASE HELP ME I BEG IMMA FAILLLLLLLLLLLLLLLL

romanna [79]

Answer: 3.5"

64:80::2.8":x

$\frac{64}{80}$ $\frac{2.8}{x}$

2.8x80=224

224/64=3.5"

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3 years ago

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5 What is the range of y = -x2 - 2x + 3? Ax<4 B x2-4 c y<4 Dy2-4

Vesnalui [34]

Answer:

$y\leq 4$

Step-by-step explanation:

we have

$y=-x^{2}-2x+3$

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex is a maximum

The vertex is the point (h,k)

The range of the function is the interval (-∞,k]

$y\leq k$

Convert the quadratic equation in vertex form

Factor -1 leading coefficient

$y=-(x^{2}+2x)+3$

Complete the square

$y=-(x^{2}+2x+1)+3+1$

$y=-(x^{2}+2x+1)+4$

Rewrite as perfect squares

$y=-(x+1)^{2}+4$

The vertex is the point (-1,4)

therefore

The range is $y\leq 4$

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3 years ago

What is 9/6 as a percent?

zubka84 [21]

Answer:

66.666667%

Step-by-step explanation:

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3 years ago

Can sum1 help meh plzz

Mashcka [7]

Answer:

0.44

Step-by-step explanation:

1. find probability --> 22/50

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4 years ago

Find the value of f(-2) for the function f(x) = 4x + 10. A. -3 B. -2 C. 2 D. 18

Morgarella [4.7K]

Step-by-step explanation: If f(x) = 4x + 10, then f(-2) is 4(-2) + 10

which simplifies to -8 + 10 or 2.

So f(-2) = 2.

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4 years ago