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Eduardwww [97]
3 years ago
9

A \greenD{3\,\text{cm} \times 10\,\text{cm}}3cm×10cmstart color #1fab54, 3, start text, c, m, end text, times, 10, start text, c

, m, end text, end color #1fab54 rectangle sits inside a circle with radius of \blueD{12\,\text{cm}}12cmstart color #11accd, 12, start text, c, m, end text, end color #11accd.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.

Mathematics
3 answers:
trapecia [35]3 years ago
6 0

Answer:

422.39

Step-by-step explanation:

i checked khan academy

hjlf3 years ago
3 0

Answer:

422.39

Step-by-step explanation:

circle area with

π r²

π*12*12 = 452.389342117

Minus area of the rectangle

452.389342117 - 3 * 10

= 422.389342117

rounded to the nearest hundredth:

422.39

Please Brainliest?

kayle3 years ago
0 0

what the answer?

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Mrs. Hall has a balance of $450 in her student account. She spends $15 each week on snacks for the after school meetings. If Mrs
xxMikexx [17]

Answer:

18 weeks

Step-by-step explanation:

Let the number of weeks be represented by a variable x;

Beginning balance = 450

Ending balance=  180

Amount spent per week= 15

Amount spent in x weeks = 450-180= $270

Total amount spent in x weeks = 15*x = 15x

Equate the above equations to the corresponding dollar amount;

15x=270

Next, solve for x by dividing both sides by 15

x=270/15

x= 18

Therefore, there are 18 weeks in the semester.

4 0
4 years ago
Suppose a family drives at an average rate of 60 mi/h on their way to visit relatives and then an average rate of 40 mi/h on the
hammer [34]

Answer:

Part A) 2 hours

Part B) d/60 hours

Part C) 48 miles/hour

Step-by-step explanation:

Part A) Let "d" be the distance in miles the family traveled to visit their relatives. How many hours did it take to drive there?

we know that

Let

x ----> the time it take on their way to visit relatives in hours

y ---> the time it take on the way back in hours

we know that

The distance of the way to visit is equal to the distance of the way back

The speed multiplied by the time is equal to the distance

so

60x=40y -----> equation A

y=x+1 -----> equation B

substitute equation B in equation A and solve for x

60x=40(x+1)

60x=40x+40

20x=40

x=2 hours

Find the value of y

y=2+1=3 hours

d=60x

The time it take on their way to visit relatives is 2 hours

The time it take on the way back is 3 hours

Part B) In terms of "d," how many hours did it take to drive there?

we have that

The distance is equal to the speed multiplied by the time

d=60x

Solve for x

x=d/60 hours

Part C) Write and solve an equation to determine the distance the family drove to see their relatives. What was the average rate for the entire trip?

To find the average rate for the whole trip we will need the total distance and the total time

The distance of the way to visit is

d=60x

substitute the value of x

d=60(2)=120 miles

so

The total distance is

120(2)=240 miles

we know that the total time is

2 + 3 =5 hours

The average rate for the complete trip is

240/5=48 miles/hour

5 0
4 years ago
Read 2 more answers
Write in factored form: 13 26
statuscvo [17]
The greatest common factor is 13

7 0
3 years ago
I do not understand this, can someone help me?
viva [34]
The answer would be 15000, be cause it is more than half a thousand so it would round up a thousand making it 15 thousand.<span />
8 0
3 years ago
Read 2 more answers
Suzie starts her hike at 220 feet below sea level.When she reaches the hike she is still below level sea level at -171 feet. Wha
EastWind [94]

Answer:

+49 feet

Step-by-step explanation:

The inicial position that Suzie started her hike was 220 feet below sea level, so as this inicial position was negative, let's use the negative sign for it:

Inicial position = -220 feet

The final position of the hike was 171 feet below sea level, so:

Final position = -171 feet

So we calculate the change in elevation from the beginning to the end of the hike by making the difference between the final position and the inicial position:

Change in elevation = Final position - Inicial position = -171 - (-220) = -171 + 220 = +49 feet

The change in elevation was +49 feet (the positive sign indicates that the movement was upwards, in direction to "above sea level")

7 0
3 years ago
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