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andrey2020 [161]
3 years ago
10

Solve the equation using the distributive property and properties of equality. Negative 5 (a + 3) = negative 55 14 -8 8 -14

Mathematics
1 answer:
trasher [3.6K]3 years ago
3 0

Answer:

11

Step-by-step explanation:

55 divide 5 = 11

11 + 3 = 15

5 × 11 = 55

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The royal fruit company produces two types of fruit drinks the first type is 70% pure fruit juice and the second type is 95% pur
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This is a typical mixture problem where using a table is the best thing.
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juice A            x                  .70          =        .70x
juice B        60-x                 .95          =    .95(60-x)
total              60                  .75          =    60(.75)

The last row gives you a total that you need to use, so do that multiplication to get 45. You now to need to add the last columns together for rows 1 and 2 and set them equal to 45: .7x +.95(60-x) = 45. When you do that math, you'll get that x = 48. This means that you need 48 pints of juice A and 60-48 pints of juice B, which is 12 pints.
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An express train travels 80km/h from Ironton to Wildwood. A local train, traveling at 48km/h, takes 2 hours longer for the same
masha68 [24]

Answer:

They are 240 kilometers apart.

Step-by-step explanation:

This question can be solved using the following relation:

v = \frac{d}{t}

In which v is the velocity, d is the distance and t is the time.

An express train travels 80km/h from Ironton to Wildwood.

Here we have v = 80, t = x. So

v = \frac{d}{t}

80 = \frac{d}{x}

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A local train, traveling at 48km/h, takes 2 hours longer for the same trip.

This means that when v = 48, t = x + 2[tex]. So[tex]v = \frac{d}{t}

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Since d = 80x

48 = \frac{80x}{x+2}

Applying cross multiplication

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x = \frac{96}{32}

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