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2 years ago

Solve for x and graph: show your work! -9x -30 < 15?

Mathematics

2 answers:

GarryVolchara [31]2 years ago

8 0

-9x - 30 < 15
 + 30 + 30
 -9x < 45
 -9 -9
 x < -5

devlian [24]2 years ago

4 0

First you want to isolate X by adding 30 to both sides.
-9x < 45
Then divide both sides by -9.
x < -5
Graph that by drawing a vertical line at x = -5 and shading in everything to the left.

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The answer using Pythagorean theorem

OverLord2011 [107]

Answer: 12.32 is the answer.

Step-by-step explanation: Using the pythagorean thereom we can solve this by using the formula A^2+B^2=C^2.

We substitute in the values,

17^2+B^2=21^2.

Now we simplify.

289+B^2=441

We subtract the 289 from both sides,

B^2=152

Now we use square root to find the answer.

12.32 is the answer.

Hope this helps!

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3 years ago

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pentagon [3]

Answer:

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2 years ago

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2 years ago

The diameter is a circle is 16in. Find it’s circumference in terms of π. C= ________in

DIA [1.3K]

According to the question,

Diameter of circle = 16 in

We are asked to calculate it’s circumference in terms of π.

★ Circumference of circle = 2πr

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Let us first calculate the radius of the circle.

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→ r = 16 in ÷ 2

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Substituting values in the formula of circumference,

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3 years ago