2 years ago

Graphing a Linear Equation

Mathematics

1 answer:

elena55 [62]2 years ago

3 0

Answer:

The third one

Step-by-step explanation:

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Simplify:<br> x2 +5x-14<br> x2+10x+21

goblinko [34]

Answer:

4x + 15x + 7

Step-by-step explanation:

x2 + x2 = 4x

5x + 10x = 15x

-14 + 21 = 7

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2 years ago

Which is equivalent to 8/25? A-0.02 B-0.32 C-0.825 D-3.125

MrMuchimi

B-0.32 is equivalent to 8/25

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3 years ago

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(2/3v)^-3 for v=9 I don't understand how to find the answer. will you help me?

natta225 [31]

V=square root (3/2)/2
Or V=-square root (3/2)/2

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2 years ago

The numerical coefficient in -6x²y² is:

Lubov Fominskaja [6]

Answer:

-6 is the numeral cofficient

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2 years ago

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There were 20 boys and 26 girls in a chess club last year. This year the number of boys increased by 30% but the number of girls

Readme [11.4K]

Step-by-step explanation:

Boys

$20 + (20 \div 100)30 = \\ = 20 + 0.2 \times 30 = \\ = 20 + 6 = \\26$

Girls

$26 - (26 \div 100)15 = \\ = 26 - 0.26 \times 15 = \\ = 26 - 3.9 = \\ = 22$

Total last year 46

Total this year 48

Increase

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2 years ago