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3 years ago

Please help asap. 45 points

Mathematics

2 answers:

Levart [38]3 years ago

5 0

The answer is B. hope that help

ch4aika [34]3 years ago

5 0

2(10x^2) + 22x -12

2(10x^2) + 2(11x) - 12

2(10x^2) + 2(11x) + 2 (-6)

2(10x^2 + 11x) + 2 (-6)

2 (10x^2 + 11x - 6)

2 (10x^2 - 4x + 15x - 6)

2 (2x (5x - 2) + 3 (5x - 2))

2 ((5x - 2) (2x + 3))

Finally, your answer is 2 (5x - 2) (2x + 3)

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3 years ago

You earn $250 per month from your part-time job. You are in a kayaking club that costs $20 per month, and you save at least $100

Olegator [25]

Answer:

Amounts in the intervall $130 \leq c \leq 230$

Step-by-step explanation:

We will take the variables c and s, where

c = amount to spend that month

s = savings of the month.

Since each month we save at least 100, we know that

$0 \leq s \leq 100$

Moreover, we earn $250 per month and we spend $20 in a kayaking club, which tells us that

$250=20+s+c$

and so

$230-s=c$

By multiplying by -1, the first inequality also tells us that

$-100 \leq -s \leq 0$

Consequently by adding 230 to the inequality, we get that

$230-100 \leq 230-s \leq 230\\\\\Rightarrow 130\leq c \leq 230$

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2 years ago

I need help i don’t get it

Anastaziya [24]

The answer is 4337 ÷ 9

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3 years ago

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