3 years ago

The Questions above.

Mathematics

1 answer:

gayaneshka [121]3 years ago

5 0

Answer:

Step-by-step explanation:

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F(x) = 5x - 3 for x = -7

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Step-by-step explanation:

f(-7) = 5(-7) - 3 = -35 - 3 = -38

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3 years ago

Amanda's computer weighs 56 ounces. how many pounds does it weigh?

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Gabriela has dinner at a cafe and the cost of her meal is $45.00.Because of the service, she wants to leave 15% tip.

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Step-by-step explanation:

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3 years ago

Solve the equation.<br><br>|7x+4|=18

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3 years ago

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Rasheed bought two kinds of candy bars, chocolate and toffee, that came in packages of 2 bars each. He handed out 2/3 of the cho

Contact [7]

Answer:

9 packages of chocolate bars

Step-by-step explanation:

Let he bought c packages of chocolate bars and t packages of toffee bars,

Since, he bought 1 fewer package of chocolate bars than toffee bars.

⇒ c = t - 1 -----(1)

Also, he handed out out $\frac{2}{3}$ of the chocolate bars and $\frac{3}{5}$ of the toffee bars,

If he handed out the same number of each kind of candy bar.

$\implies \frac{2}{3}\times c=\frac{3}{5}\times t$

$10c = 9t$ ( By cross multiplication )

$\implies t=\frac{10}{9}c$ ( Division property of equality )

From equation (1),

$c=\frac{10}{9}c-1$

$1=\frac{10}{9}c-c$

$1=\frac{10c-9c}{9}$

$1=\frac{c}{9}$

$\implies c = 9$

Hence, he bought 9 packages of chocolate bars.

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2 years ago