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schepotkina [342]
3 years ago
11

The circumference of a circle is 147 cm. What is the radius of the circle?

Mathematics
1 answer:
ioda3 years ago
4 0

Answer:

r≈23.4cm

Step-by-step explanation:

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Find the measure of the largest angle in ABC if a = 12, b = 8 and c = 13.
Papessa [141]

Answer:

C=78.28^{\circ \:}

Step-by-step explanation:

We are given a triangle

whose sides are

a=12

b=8

c=13

Since, c is largest among them

So, angle C must be largest angle

we can find angle C

we can use law of cosine formula

cos(C)=\frac{a^2+b^2-c^2}{2ab}

now, we can plug values

cos(C)=\frac{12^2+8^2-13^2}{2\times 12\times 8}

cos(C)=\frac{13}{64}

now, we can find angle

we get

C=78.28^{\circ \:}

5 0
3 years ago
Approximate the value of <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B5%7D%20" id="TexFormula1" title=" \sqrt{5} " alt=" \
k0ka [10]
2.2367 , therefore to the nearest hundredth it would be 2.237
5 0
3 years ago
-9 +m=20<br> answer asap please!!
grigory [225]

Answer:

29

Step-by-step explanation:

at 9 on both sides to get m alone

-9+m=20

+9. +9

m= 29

7 0
2 years ago
Read 2 more answers
you go to Frontier City with your parents, brother and sister. The cost for adults is $12.50, and the cost for children is $8.00
noname [10]

9514 1404 393

Answer:

  cost for adults: 2×$12.50

  cost for children: 3×$8.00

  total cost: 2×$12.50 +3×$8.00

  $49.00

Step-by-step explanation:

Assuming I, my brother, and my sister qualify for children's tickets, we have ...

  cost for adults: 2×$12.50

  cost for children: 3×$8.00

  total cost: 2×$12.50 +3×$8.00

Evaluation:

  $25.00 +24.00 = $49.00 . . . . . . . multiplication is performed first

3 0
3 years ago
Which inequality explains why these three segments cannot be used to construct a triangle?​
Anna11 [10]

Answer:

Iliana cannot construct a triangle because the sum of the two smaller sides will not be greater than the third side. Iliana cannot construct a triangle because the sum of the two smaller sides will be greater than the third side.

5 0
2 years ago
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