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Scorpion4ik [409]
2 years ago
8

Which is the correct calculation for the volume of the prism??

Mathematics
1 answer:
Rudiy272 years ago
3 0

Answer:

3+5+4=12units3

Step-by-step explanation:

A prism has a length of 3 units, height of 5 units, and width of 4 units. 3 + 5 + 4 = 12 Units cubed 3(4) + 5 = 17 Units cubed.

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-3(2n-5)=1/2(-6n+30)
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3 years ago
You need a common numerator in order to add or subract two fractions.<br> O True<br> O False
Maru [420]

Answer: false you only need that for a denomenater

Step-by-step explanation:

8 0
3 years ago
A long-distance phone company has a monthly fee of $7.95 and charges a rate of $0.05 per minute. Another long-distance company h
d1i1m1o1n [39]

Answer:

100 minutes

Step-by-step explanation:

Let the number of minutes required for the two Billings to be equal be x.

Now we write this in an equation form.

7.95 + 0.05x = 9.95 + 0.03x

0.05x - 0.03x = 9.95 - 7.95

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x = 2/0.02 = 100 minutes

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8 0
3 years ago
HELP ASAP!! ILL MARK BRAINLIEST! David recorded the ages, in years, of the members of four high school clubs. Each club has the
Dmitry [639]

Answer:

Music club last box

Reason: There are equal number if members

Physics club first box

Reason: There are more older than young people

Sports Club third box

Reason: There are more younger people than older people

History Club takes the second box

Step-by-step explanation:

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6 0
2 years ago
Find the cosine of angle B.
Alexandra [31]

\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

-

9² = 12² + 15² - 2 (12) (15) cos (B)

81 = 144 + 225 - 360 cos(B)

81 = 369 - 360 cos (B)

360 cos (B) = 369 - 81

360 cos (B) = 288

cos (B) = 0.8

-

Answer: Cosine B = 0.8

-

\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

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12² = 15² + 9² - 2 (15)(9) cos (A)

144 = 225 + 81 - 270 Cos A

144 = 306 - 270 Cos A

270 Cos A = 162

Cos A = 3/5 or 0.6

-

Answer: Cosine Angle A = 3/5

4 0
3 years ago
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