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3 years ago

#5 Kristen needs to earn $320 in commission this week. She earns 8% of

Mathematics

1 answer:

boyakko [2]3 years ago

6 0

Hi I’m someone new here and I really don’t know the answer but I’ll ask my 29 year old smart sister :)

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What is the solution of the inequality 9 - x^2<0?

Dmitry_Shevchenko [17]

Answer:

$x < -3\quad \mathrm{or}\quad \:x > 3$

Step-by-step explanation:

Given:

$9-x^2 < \:0$

Solve:

$\mathrm{Subtract\:}9\mathrm{\:from\:both\:sides}$

$9-x^2-9 < 0-9$

$\mathrm{Simplify}$

$-x^2 < -9$

$Multiply\:both\:sides\:by\:-1\:$

$\left(-x^2\right)\left(-1\right) > \left(-9\right)\left(-1\right)$

$\mathrm{Simplify}$

$x^2 > 9$

$\mathrm{For\:}u^n\: > \:a\mathrm{,\:if\:}n\:\mathrm{is\:even}\mathrm{\:then\:}u\: < \:-\sqrt[n]{a}\:or\:u\: > \:\sqrt[n]{a}$

$x < -\sqrt{9}\quad \mathrm{or}\quad \:x > \sqrt{9}$

$\sqrt{9}=3$

$x < -3\quad \mathrm{or}\quad \:x > 3$

~lenvy~

5 0

3 years ago

The figure to the right shows two parallel lines interested by a transversal.

Naily [24]

m 1, 2, 5, & 6 = 58°

m x, 3, 4, & 7 = 122°

4 0

3 years ago

Read 2 more answers

61-2xl-9+41-2y + 6).. Simplify

timama [110]

Answer:

-2xl -2y + 99

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is segment LO to Triangle LMN?

rjkz [21]

Segment LO is the median of triangle LMN

5 0

3 years ago

Read 2 more answers

A loaf of bread that is baked today costs $7. All of the bread baked yesterday is 40% off.

vovikov84 [41]

Answer:

The price of today's bread is $7.

40% of $7 is $2.80.

The price of yesterdays bread is $7-$2.80.

7-2.80=4.20

The price of yesterday's bread is $4.20

Tobin has enough money to purchase a loaf of yesterday's bread.

Hope this helps!

4 0

3 years ago