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Ivenika [448]
3 years ago
14

Quel est le rayon d'une demi-boule ayant un volume de 248,832 pie décimètres cubes ?

Mathematics
1 answer:
amid [387]3 years ago
8 0
Translate to english and i can help
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ruth had a ribbon that was 9 yards long. she cut the ribbon into pieces that were 1/6 yard long. how many pieces of ribbon does
Ainat [17]

Answer:

54

Step-by-step explanation:

6            x       9         =         54

she can      there are

make 6       9 yards

ribbons

out of

a yard

4 0
3 years ago
In ΔABC, the lengths of a, b, and c are 22.5 centimeters, 18 centimeters, and 13.6 centimeters, respectively.
Irina-Kira [14]
Given the values of the three sides of the triangle, we can apply the Cosine Law to find the angles of the triangle. Recall that for we can express the value of c through the equation below.

c^{2} = a^{2} + b^{2} - 2abcosC

Rearranging this equation, we can find the value ∠C as shown below.

\cos C = \frac{a^{2}+b^{2}-c^{2}}{2ab}
C = cos^{-1} (\frac{a^{2}+b^{2}-c^{2}}{2ab})

We can apply the same reasoning for finding the value of ∠B as shown.

B = cos^{-1} (\frac{a^{2}+c^{2}-b^{2}}{2ac})

Plugging in the values of the sides (see image attached) from the given. It will now be straightforward to compute for ∠B and ∠C.

C = cos^{-1} (\frac{22.5^{2}+18^{2}-13.6^{2}}{2(22.5)(18)})
C \approx 37.19

B = cos^{-1} (\frac{22.5^{2}+13.6^{2}-18^{2}}{2(22.5)(13.6)})
B \approx 53.13

Answer: ∠C = 37.19° and ∠B = 53.13°

7 0
4 years ago
Read 2 more answers
What is 9.27 million in scientific notation?
Alex787 [66]
9,270,000 = 9.27 * 10^6
5 0
3 years ago
Read 2 more answers
Jacob bought a TV for $178.10, including tax. He made a down payment of $35.00 and paid the balance in 5 equal monthly payments.
sergij07 [2.7K]
178-35=143

143/5= 28.6

he paid $28.6 every month
4 0
2 years ago
James and sarah went out to lunch the price of lunch for both of them was $20 they tip their server 20% of that amount how much
sleet_krkn [62]
20% of $20 is $4
So add that amount to the price of the meal and you have $24
Since they split the total cost evenly, the price for each is 24 ÷ 2
= <u>$12</u>
6 0
3 years ago
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