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2 years ago

Three pears and four apples cost 1.60. four pears and five apples cost 2.05. find the cost of each pear and each Apple.

Mathematics

1 answer:

vampirchik [111]2 years ago

5 0

Answer:

use 2 variable for the problem. say pear=x apple=y.

3x+4y=1.6

Step-by-step explanation:

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3 years ago

Marcos purchased a sail boat for $56,900. He anticipates each year the boat will decrease in value by 8.1% from the previous yea

Varvara68 [4.7K]

Answer: $56,900\left( 0.919\right)^x$

Step-by-step explanation:

Given

Marcos purchased a sailboat for $\$56,900$

Each year the boat will decrease in value by $8.1\%$

After 1 year it is

$\Rightarrow 56,900-56,900\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\\$

after another year it becomes

$\Rightarrow 56,900\left( 1-0.081\right)-56,900\left( 1-0.081\right)\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\cdot \left( 1-0.081\right)\\\Rightarrow 56,900\left( 1-0.081\right)^2$

After $x$ years it is

$\Rightarrow 56,900\left( 1-0.081\right)^x$

$\Rightarrow 56,900\left( 0.919\right)^x$

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Answer:

Step-by-step explanation:

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3 years ago

3. Han has a fish tank that has a length of 14 inches and a width of 7 inches. Han puts in

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Anon25 [30]

Answer:

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Step-by-step explanation:

Realmente no lo se. no sé. así que sí, lo siento, no puedo ayudar.

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3 years ago

Three pears and four apples ￼￼cost 1.60. four pears and five apples cost 2.05. find the cost of each pear and each Apple.￼￼

Three pears and four apples cost 1.60. four pears and five apples cost 2.05. find the cost of each pear and each Apple.