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SSSSS [86.1K]
3 years ago
11

Find the area to the nearest square foot of the shaded region below, consisting of a square with a circle cut out of it. Use 3.1

4 as an approximation for π. Need this ASAP

Mathematics
1 answer:
NeTakaya3 years ago
7 0

Answer:

22 square feet

Step-by-step explanation:

Area of shaded region = Area of square - Area of circle. The diameter of the circle is also the length of the side of the square as the circumference of the circle is on the circumference of the square.

Area of circle = 3.14 × r × r

r = 10 ÷ 2

= 5

Area of circle = 3.14 × 5 × 5

= 78.5

Area of square = length × length

Area of square = 10 × 10

= 100

Area of shaded region = Square - Circle

= 100 - 78.5

= 21.5

= 22 (to the nearest square foot)

I hope this helps :)

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What is 23 in simplest form
rodikova [14]
23 or 23/1 or  23.0

Hope this helps ;)
Please don't forget to mark as brainliest answer

5 0
3 years ago
During the summer, Hector does yard work, and Geri babysits.To show their earnings, Hector makes a graph, and Geri makes a table
VLD [36.1K]

I think that when you asked this question, no one answered because there is not enough information. I also got this problem and there is in fact, a table and a graph.

Step-by-step explanation:

for Hector, it only shows a y and x graph and for Geri it shows a table. let´s call the graph the ¨h¨ graph (for Hector) and the table is going to be called the ¨g¨ graph (for Geri)

on the h graph, it shows that y/x = dollars/time for Hector,

on the g table, it shows that Geri is getting paid $25.50 for each 3 hours and it keeps increasing within each input and output.

your y = your dollars

your x = your time

we are looking for slope and we need $15 over hours

15/x

the answer is that Hector earns $6.50 more than Geri

4 0
3 years ago
Read 2 more answers
Compare fractions 3/4 and 11/12
RoseWind [281]

For now, assume 3/4 and 11/12 are equal. It is likely they are not equal, but we'll get to that later.

The equation we set up is 3/4 = 11/12

---------------------------------------------------------------

3/4 = 11/12

3*12 = 4*11 ... cross multiply

36 = 44

The last equation is false, so the entire string of equations are false.

This tells us that 3/4 is not equal to 11/12.

Since the left hand side of the last equation is smaller, this means we must replace the equal sign with a less than sign. Do so with the other equal signs as well. We have this updated set of steps

3/4 < 11/12

3*12 < 4*11 ... cross multiply

36 < 44

We see that 3/4 is smaller than 11/12

---------------------------------------------------------------

Another way to see that 3/4 is smaller is to use a calculator to find the decimal version of each fraction

3/4 = 0.75

11/12 = 0.9167 approximately

Since 0.75 is smaller than 0.9167, this means 3/4 is smaller than 11/12.

---------------------------------------------------------------

If you want to stick with fractions and you don't want to cross multiply, then we can rewrite 3/4 as a fraction that has 12 in the denominator.

Multiply top and bottom of 3/4 by the value 3

This will make 3/4 turn into 9/12

3*3 = 9

4*3 = 12

So 3/4 = 9/12 is a true equation

Instead of comparing "3/4 and 11/12", we are equivalently comparing "9/12 and 11/12".

The numerator 9 is smaller than the numerator 11, so 9/12 is smaller than 11/12

This points to 3/4 being smaller than 11/12.

5 0
3 years ago
Spinner goes 1-4. Jose spins the spinner 8 times. In those 8 spins, the arrow never lands on 3. Based on this information, shoul
Alenkinab [10]
Well this is a more complicated question than it may seem. The laws of probability are based on observations whose number is very large or actually as the number of observations approaches infinity. So on the one hand, you should be concerned that you get 0/8 to land on 3. However, 42/500 land on 3 so your ratio has improved. It's not near 125 but it's also not 0. If it remained at 0, you would begin to be concerned and rightly so. Perhaps if you did 5000, you would be less concerned as the ratio improved and got closer to 1/4 of the observations. So at this point I don't think you have enough information to determine that the spinner is unfair.
3 0
3 years ago
Read 2 more answers
Can someonehelp me again lol
insens350 [35]
54 and 89 are correct answers.
Hope this helps!
3 0
3 years ago
Read 2 more answers
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