3 years ago

2x + 9 8x + 1 Solve for x

Mathematics

1 answer:

Afina-wow [57]3 years ago

7 0

Answer:

2x +9+8x+1=180

This on picture answer.

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A circle with center at (12,−1) passes through (0,−1). Find the circumference and area of the circle in terms of p.

madreJ [45]

Answer:

C = 75.36

A = 452.16

Step-by-step explanation:

Find the radius r by finding the distance between (12,-1) and (0,-1) using the distance formula.

$d = \sqrt{(12-0)^2 + (-1--1)^2} =\sqrt{(12)^2 + (0^2} =\sqrt{144+0} =\sqrt{144}=12$

The radius is 12.

So the circumference of the circle is $C = 2\pi r = 2\pi 12 = 24\pi = 75.36$

So the area of the circle is $A = \pi r^2\\A = \pi 12^2\\A = 144\pi\\A = 452.16$

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3 years ago

For which scatterplot is the correlation strongest?

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I believe the second one is correct

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Step-by-step explanation:

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4 years ago

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3 years ago

How many flowers, spaced every 6 inches, are needed to surround a circular garden with a 30 - foot radius ?

Marat540 [252]

Answer:

Step-by-step explanation:

6 inches is half a foot so 2 times 30 is 60

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3 years ago

Four microprocessors are randomly selected from a lot of 100

ira [324]

Answer:

Step-by-step explanation:

From the set of 100 with 10 defective microprocessors, the probability of picking a defective one is;

10/100 = 1/10

From the set of 99 remaining and 9 defective microprocessors, the probability of picking a defective one is;

9/99 = 1/11

From the set of 98 remaining and 8 defective microprocessors, the probability of picking a defective one is;

8/98 = 4/49

From the set of 97 remaining and 7 defective microprocessors, the probability of picking a defective one is;

7/97

Adding all 4 probabilities together, we get;

1/10 + 1/11 + 4/49 + 7/97 = 0.345 or 34.5%

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3 years ago