3 years ago

Translate the following expressions into equations

Mathematics

1 answer:

vichka [17]3 years ago

4 0

Step-by-step explanation:

all work is pictured and shown

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A piggy bank contains nickels and dimes. There are 160 total coins valuing $10.50. Think about a system of equations that can be

Elodia [21]

$x + y = 160 \\ 0.05x + 0.1y = 10.50$
First, Substitute x + y = 160 into equation
x = 160 - y
$0.05(160 - y) + 0.1y = 10.50 \\ 8 - 0.05y + 0.1y = 10.50 \\ 0.05y = 2.50 \\ y = 50$
Substitute that into
$x + 50 = 160 \\ x = 110$

The answer is 110.

Hope this helps. - M

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3 years ago

I really need help i will rate you branliest

AlexFokin [52]

<h3>Answer: $14,137.30</h3>

Work Shown:

A = P*(1+r)^t

A = 21450*(1+(-0.08))^5

A = 21450*(1-0.08)^5

A = 21450*(0.92)^5

A = 21450*0.6590815232

A = 14137.29867264

A = 14,137.30

Notice how I used a negative r value to indicate depreciation rather than growth.

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4 years ago

Write a polynomial of least degree with rational coefficients and with the root 3-2 square root of 7

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Answer:

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Step-by-step explanation:

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4 years ago

Find the average rate of change for the given function on the given interval.

adoni [48]

The average rate of change is (f(3)-f(0))/3=(7-0)/3=7/3.

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3 years ago

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4. Kiran says "If I walk 3 miles per hour toward you, and you walk 3.4 miles per hour toward me,

Kitty [74]

Answer:

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Step-by-step explanation:

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