2 years ago

X = b - cd, solve for c

Mathematics

1 answer:

Sliva [168]2 years ago

8 0

C=b/d-x/d,Recomend you watch https://www.youtube.com/watch?v=QQoPAU5L52s

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The music store sold 12 trumoets and 19 clarinets last month. If clariners sell for $139.95 and the store made $4,578.45 from sa

Kamila [148]

Answer:

$159.95

Step-by-step explanation:

Let price of trumphet be defined by $x$

price of clarinet = $139.95

Number of clarinets sold = 19

Earning through clarinets' sale = $19*139.95 = 2659.05$

Total earning of store = $4578.45

Earning through trumphets' sale = $4578.45 - 2659.05 = 1919.40$

price of one trumohet = $\frac{1919.40}{12} = 159.95$

price of clarinet = $159.95

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3 years ago

Donal buys a 1/4 pound package of cheese. There are 8 slices of cheese in the package. Each slice has the same weight. What frac

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You only showed half of the question

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3 years ago

25 POINTS!

bekas [8.4K]

Answer:

y-5=4(x+3)

Step-by-step explanation:

y-y1=m(x-x1)

y-5=4(x-(-3))

y-5=4(x+3)

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3 years ago

This needs a little working out. Just part A to simplify to find 21.

prisoha [69]

Answer:

see explanation

Step-by-step explanation:

Since the pentagon has one line of symmetry. This will be a vertical line through C, thus

CD = BC = x + 1 and ED = AB = 2x + 3

Perimeter = AE + ED + DC + CB + BA

= 4x + 2x + 3 + x + 1 + x + 1 + 2x + 3 = 10x + 8

Perimeter is given as 21, thus

(b)

10x + 8 = 21 (subtract 8 from both sides )

10x = 13 ( divide both sides by 10 )

x = $\frac{13}{10}$ = 1.3

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2 years ago

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Answer:

x=15

Step-by-step explanation:

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2 years ago

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