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Brilliant_brown [7]

3 years ago

10

The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm. What is the approximate area of the

shaded region?

1 answer:

Maurinko [17]3 years ago

4 0

<span>The approximate area of the shaded region would be </span>47.25 cm.

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A bag contains 7 red, 3 green, 4 blue, and 6 yellow marbles. Find the probability of randomly selecting a red marble three times

77julia77 [94]

Answer:

B

Step-by-step explanation:

8 0

3 years ago

On your family trip, you used 14 gallons of gas.

Alecsey [184]

Answer:

19

Step-by-step explanation:

To get the total miles you drove first, you need to do 84947 (number after the trip) - 84679 (the number before it. You get 268.

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4 0

3 years ago

after five years of earning interest at an annual rate of 4% and investment has earned $1,200 in interest determine the amount o

loris [4]

Answer:

$6000

Step-by-step explanation:

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$240=4%

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6 0

3 years ago

MATH :((<br>how do the chart??<br><img src="https://tex.z-dn.net/?f=%20-%20x%20%20%5E%7B2%7D%20%20-%209%20%5Cgeqslant%200" id="T

siniylev [52]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

$-x^2-9\geq0\qquad\text{change the signs}\\\\x^2+9\leq0\\\\\text{the parabola}\ x^2\ \text{is op}\text{en up and shifted 9 units up. Therefore is whole}\\\text{over the x-axis (only positive values)}.\\\\\bold{CONCLUSION}:\\\\\bold{no\ solution}$

5 0

3 years ago

You work for a pharmacy and monthly sales of asthma inhalers in your pharmacy follows a normal distribution with a mean of 191 i

grin007 [14]

Answer: -1.33 .

Step-by-step explanation:

Formula to find the Z-score :

$Z=\dfrac{\text{Expected value - Mean}}{\text{Standard deviation}}$

Given: Mean = 191 and Standard deviation = 21

Then , the z-score corresponding to the expected value of 163 will be :

$Z=\dfrac{163-191}{21}\\\\=\dfrac{-28}{21}\approx-1.33$

Hence, the z score corresponding to selling 163 inhalers is -1.33 .

3 0

3 years ago