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3 years ago

13

I need help with inequalities

1 answer:

Hatshy [7]3 years ago

8 0

Answer: I can help

Step-by-step explanation:

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Yumiko solved |x|>5 by solving x>-5 and x<5. explain the error yumiko made

Whitepunk [10]

Answer:

switched signs around

Step-by-step explanation:

I believe that s/he switched the signs around so

|x|>5 is solved by x<-5 and x>5

but I'm not quite sure, sorry

3 0

2 years ago

Get the common denominator

myrzilka [38]

Answer:

(x+7)(x-2)

Step-by-step explanation:

Multiply the second fraction by (x-2) so that the value of it doesn't change

4 0

3 years ago

Only 0.6% of the students at a high school did not attend the first football game. Write 0.6% as a fraction and as a decimal

Afina-wow [57]

Answer:

here my answer

Step-by-step explanation:

hope this helps

5 0

2 years ago

Simplify this expression 9xy4x 3x3y

Alekssandra [29.7K]

Answer:

81 x y^5

Step-by-step explanation:

Simplify the following:

9×3×3 x y^4 y

3×3 = 9:

9×9 x y^4 y

9 x y^4×9 y = 9×9 x y^(4 + 1):

9×9 x y^(4 + 1)

4 + 1 = 5:

9×9 x y^5

9×9 = 81:

Answer: 81 x y^5

7 0

3 years ago

Simplify expression show step by step <br> (-2i)(8i)

TiliK225 [7]

Answer:

16

Step-by-step explanation:

<u>Remember that $i^2 = -1$ </u>

(-2i)(8i)

$-16i^2$

$-16(-1)$

16

5 0

3 years ago