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Thepotemich [5.8K]
2 years ago
8

Please help asap 27pts

Mathematics
1 answer:
mart [117]2 years ago
6 0

7x\geq-56\qquad|\text{divide both sides by 7}\\\\x\geq-8\\-------------------------------\\9x < 54\qquad|\text{divide both sides by 9}\\\\x < 6\\\\Answer:\ d)\ -8\leq x < 6

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White raven [17]

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Step-by-step explanation:

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3 years ago
What is the circumference of a circle with a diameter of 5 feet? use 3.14 for pi
artcher [175]

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7 0
3 years ago
In the diagram, the radius of the outer circle is
JulijaS [17]

the value of x is 8 cm.

<u>Step-by-step explanation:</u>

Correct Question : In the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. The area of the shaded region is 220π cm2. What is the value of x? Enter your answer in the box.

We have ,

the area of a circle =  πr²

the outer circle area = \pi(2x)^2 =4\pi x^2

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According to Question,

the outer circle area - the inside circle area = he shaded region

⇒ \pi (4x^2)-36\pi =220\pi

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⇒x =\sqrt{64}=8

Therefore , the value of x is 8 cm.

5 0
2 years ago
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saul85 [17]

Answer:

C. 189

Step-by-step explanation:

Each triangle is 27 which makes it 108, and 108+81=189

3 0
2 years ago
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