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vovikov84 [41]
3 years ago
5

Need help fast for 1 2 3 and 4 for please and thank you

Mathematics
1 answer:
Pavel [41]3 years ago
6 0

The formula for the area of a circle is \pi r^2

So if we have the first one...3.14*5^{2}≈78.5

Now you can solve the other ones with this formula! Good luck!

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Make sure the answer is 100% correct. Then circle the answer in a circle.
Vladimir [108]

Answer:
False
Any integers that the numbers 5, 10 , 15 but 20 can be used as a counter argument against the statement.

Step-by-step explanation:

The claim is that A⊆B which stands for that A is a SUBSET in B, or that B contains A.

The truth is that B⊆A since 5 has more possible outcomes than 20 in the number of integers.
So the list of all possible answers are r5, r10, and r15 where N⊆Z.

For example I choose r=3 and r15, 3(15)= 45. I can use the number 45 as a counter argument that the statement of A⊆B is false.

6 0
2 years ago
What the least common multiple (LCM) of 8 and 13. A. 13 B. 56 C. 72 D. 104
fgiga [73]

Answer:

its 104

Step-by-step explanation:

5 0
3 years ago
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Here is a tree diagram showing the sample space for two independent events. How many outcomes are there for the first event?
AlexFokin [52]

Step-by-step explanation:

what is 8 2 1 4 is it the number u should pick for answer choice

3 0
3 years ago
Read 2 more answers
Does anyone know how to do this? And can you also help me with this problem, thank you :)
GenaCL600 [577]
<span>Multiply equation(2) with 4 so that coefficient of become same in both the equations(You can make coefficient of y same and can follow the following procedure.) 
</span><span>* Subtract (3) from (1) 
* </span>Divide both sides by -19
*Subtract 21 from both sides.
*Divide both sides by 4
so the solution is     x= 3 and  y= -7
Hope I helped you :)
6 0
3 years ago
Can someone answer this one question for me? Real answer only please, thanks.
Kryger [21]

Answer:

209.1 cm2

Step-by-step explanation:

the area of the circle around the rectangle is 113.1 cm2 and the area of the rectangle is 12x8=96cm and 113.1+96=209.1

8 0
3 years ago
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