All categories

3 years ago

What is the approximate area of the shaded sector in the circle shown below?

Mathematics

2 answers:

andrezito [222]3 years ago

7 0

Answer:

7.26

Step-by-step explanation:

just finished my Ap3x

BabaBlast [244]3 years ago

4 0

Answer:

The sector given in the figure is a semi-circle because the degree measure of the chord is 180 degrees.

Area of semicircle = 0.5π $r^{2}$ = 0.5π×4.5 = 6.75 sq. inches

You might be interested in

Plz help will mark brainliest if correct answer only

statuscvo [17]

Answer:

9. is 3

10. is 1/5

Step-by-step explanation:

use rise/run to find the slope of the graph

7 0

2 years ago

Read 2 more answers

You measure 20 turtles' weights, and find they have a mean weight of 45 ounces. Assume the population standard deviation is 11.5

Naily [24]

Answer: the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

Step-by-step explanation:

Formula for margin of error : $E=\dfrac{z^*\times (Population\ standard\ deviation)}{\sqrt{Sample\ size}}$

, where z* = Critical z-value.

Given: population standard deviation = 11.5 ounces

Sample size = 20

Z value for 90% confidence level = 1.645

margin of error (E) = $\dfrac{1.645\times11.5}{\sqrt{20}}$

$\approx4.23$

Hence, the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

3 0

2 years ago

(-12,16) and (-4,-2)find the slope

cestrela7 [59]

Answer:

It's -9/4 or -2 1/4. please mark me brainliest <3

Step-by-step explanation:

1) label x1, y1, x2, and y2.

x1 y1 x2 y2

(-12, 16) (-4,-2)

2) Remember the formula is y2-y1

--------

x2-x1

3) substitute

-2-16

--------

-4-(-12)

4) two minuses (negatives) is a positive (+)

so,

-2-16 -18

---------= --------

-4+12 8

5) simplify

-18 divided by 2 -9

----- = ------- or -2 1/4

8 divided by 2 4

5 0

2 years ago

Read 2 more answers

Find 7x+y when x=4 and y=5. *

Alexeev081 [22]

Answer:

7x+y, when x+4 and y+5

7(4) + 5=

28+5=

Step-by-step explanation:

Hope this helps. :)

7 0

3 years ago

The weight of a bucket of fish was more than 23 pounds. Doria wants to write an inequality for the weight of the bucket of fish.

gtnhenbr [62]

Answer:w is greater than 23

Step-by-step explanation:

Given

The weight of the bucket was more than 23 pounds i.e.

$\Rightarrow w>23$

It is w is greater than 23

4 0

3 years ago

What is the approximate area of the shaded sector in the circle shown below￼?

What is the approximate area of the shaded sector in the circle shown below?