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scZoUnD [109]
4 years ago
5

Help with number 2 PLEASE

Mathematics
1 answer:
Grace [21]4 years ago
6 0
12-4=8
8*2=4
Area of semicircle is 1/2xPix4x4=8Pi
Area of rectangle is 9x12=108
108-8Pi is approximately 82.87
The answer is 82.87
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Help!<br> Will mark brainliest answer!!
Gnom [1K]

PART A:

The option that would be equal to figure ABC would be A scalene triangle with only one angle that measures 80* because the other angle is not shown in this phrase so we could say that the other angle is 50* then it would be equal to figure ABC, and a scalene triangle is a triangle with three uneven, unequal sides,

Therefore the answer would be,

C. A scalene triangle with only one angle that measures 80*

8 0
3 years ago
Rachel Rose 3.2 miles each weekday and 1.5 miles each day of weekend. how many miles will she have run in 6 weeks.
faltersainse [42]
Easiest way is to find out first how many she runs in a week. For that you can multiply the number of hours she runs a weekday by 5. (3.2*5) That should be 16. Now, since you want to know how many miles she will run in a span of 6 weeks you must multiply it by 6 now. That is 96. Since you know that, let's move on to the weekends. It is 1.5 per weekend day or 3 per weekend. Now you have to multiply 3 by 6 because you want to know for six weeks. Since you have both your numbers now, 18 and 96, you can add them to make a final of 114.
5 0
4 years ago
Katie ran 11.1 miles over the last three days. How many miles did she
Yuki888 [10]

Answer:

3.7 miles per day

Step-by-step explanation:

6 0
3 years ago
Calculate the number of atoms, please help in struggling
Veseljchak [2.6K]

Answer:

I think there are 13 atoms present.

Step-by-step explanation:

Please mark brainliest

8 0
3 years ago
How do you do this problem?
astra-53 [7]
By substitution is how to solve

2x-3y=21
y=3-x

2x-3(3-x)=21 
2x-9+3x=21
5x=30
x= 6

now substitute our x value into y=3-x
so we get 

y=3-6 = -3

so x=6 and y=-3  hope this helps!!!!! Thank you!
5 0
4 years ago
Read 2 more answers
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