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JulsSmile [24]
3 years ago
13

I need help please and thank you

Mathematics
1 answer:
Simora [160]3 years ago
7 0

Answer:

C=37.68

Step-by-step explanation:

The radius is 6ft.

The diameter is 2x of the radius.

6*2 = 12 = diameter

Now, we can plug in 12 in the equation C= 3.14d

C=3.14*12

C=37.68

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If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?
posledela

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

5 0
3 years ago
Convert 13ltr into volume​
Norma-Jean [14]

Answer:

3.43424 (US liquid gallon)

Step-by-step explanation:

6 0
4 years ago
Calculate the length b to two decimal places.
Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:        

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta

Upon substituting our given values in the formula we will get,

(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)  

(AC)^{2}=225+144-360\text{ cos}(106)      

(AC)^{2}=369-360(-0.275637355817)      

(AC)^{2}=369+99.22944809412    

(AC)^{2}=468.22944809412

Upon taking square root of both sides of our equation we will be get,

AC=\sqrt{468.22944809412}

AC=21.6386101238993629\approx 21.64  

Therefore, the length of b is 21.64 and option B is the correct choice.

6 0
3 years ago
PLEASE HELP
Anastasy [175]

Answer:

the answer is 67 coins are not Nickels

Step-by-step explanation:

29+24+16=67 so there is 27 Nickels in the jar

4 0
3 years ago
Can somebody please tell me if it’s right? i’ll mark u the brainliest
Nastasia [14]

Answer:

Yes, you are correct.

Step-by-step explanation:

You are substituting the measure of angle x as the measure of angle a since they are congruent to each other.

8 0
3 years ago
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