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coldgirl [10]
3 years ago
8

Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 d

ays of practice. Which equation can be used to determine m, the number of measures Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece? m = 72 – 15d m = 90 – 6d m = 101 – 21d m = 108 – 3d
Mathematics
2 answers:
Ulleksa [173]3 years ago
8 0

Answer: m = 90 - 6d

Step-by-step explanation:

Just did the test

Black_prince [1.1K]3 years ago
3 0

Answer:

your answer your seeking for is m= 90-6d

Step-by-step explanation:

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Ainat [17]

Answer:

The answer is 22

Step-by-step explanation:

(3 • 5) = 15

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Solve for
faust18 [17]

Given equation : n(17+x)=34x−r.

We need to solve it for x.

Distributing n over (17+x) on left side, we get

17n + nx  = 34x - r.

Adding r on both sides, we get

17n+r + nx  = 34x - r+r.

17n + r + nx = 34x.

Subtracting nx from both sides, we get

17n + r + nx-nx = 34x-nx

17n + r = 34x -nx.

Factoring out gcf x on right side, we get

17x + r = x(34-n).

Dividing both sides by (34-n), we get

\frac{(17x + r)}{(34-n)} = \frac{x(34-n)}{(34-n)}

\frac{(17x + r)}{(34-n)} = x

<h3>Therefore, final answer is x=\frac{(17x + r)}{(34-n)}.</h3>
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3 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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45       40               since 60 is larger than 40, we subtract = -20

= -20/-30

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