3 years ago

Which of the following is an even function?

Mathematics

2 answers:

Tanya [424]3 years ago

6 0

the answer is 7 chief

stich3 [128]3 years ago

4 0

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Find the product and 3 8 17

astraxan [27]

Answer:

1/6

Step-by-step explanation:

-4/9 * - 3/8

A negative times a negative is a positive

Rewriting

4/9 * 3/8

4/8 * 3/9

Simplifying

1/2 * 1/3

1/6

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Dominik [7]

Where are the answer choices?

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3 years ago

The ratio of boys to girls in a class is 4:5, what fraction of the class is boys

scoundrel [369]

Boys:girls = 4/5

boys = 4/(4+5) = 4/9 of the class

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3 years ago

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Help please! 6x^2+2x-9=0 A 6.4, -8.4 B 1.1, -1.4 C -2.2, 2.8 D -1.1, -1.4

Yakvenalex [24]

$6x^2+2x-9=0\\\\a=6;\ b=2;\ c=-9\\\\\Delta=b^2-4ac\to\Delta=2^2-4\cdot6\cdot(-9)=220\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a};\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-2-\sqrt{220}}{2\cdot6}=\dfrac{-2-\sqrt{220}}{12}\approx-1.4\\\\x_2=\dfrac{-2+\sqrt{220}}{2\cdot6}=\dfrac{-2+\sqrt{220}}{12}\approx1.1$

Answer: B. 1.1; -1.4.

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3 years ago

Which description best fits the graph

Masteriza [31]

Decreasing then increasing, y goes down then y goes back up

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