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Bezzdna [24]
3 years ago
13

A certain alloy contains 14.25% nickel. How much nickel is there in a piece weighing 375 pounds? round to the nearest hundredth

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0
Namely, what is 14.25% of 375lbs

well, if we take 375 to be 100%, how much is 14.25%?

well  \bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
375&100\\
x&14.25
\end{array}\implies \cfrac{375}{x}=\cfrac{100}{14.25}

solve for "x"
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6 0
3 years ago
Is the graph below proportional or non-proportional? How do you know?
Alex

Answer: Proportional

Step-by-step explanation: To determine whether x and y have a proportional relationship, see if the line through these points passes through the origin (0, 0). The points are on a line that passes through the origin. So, x and y have a proportional relationship

4 0
3 years ago
What is 867.2 divided by 4? Please go through the steps on how to do 867.2 divided by 4.
Contact [7]

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Step-by-step explanation: 867.2 divided by 4 = 216.8

3 0
3 years ago
Question 8 (4 points)
Nookie1986 [14]
True
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5 0
3 years ago
1. It takes the earth 24 h to complete a full rotation. It takes Mercury approximately 59 days, 16 h, and 40 min to complete a f
torisob [31]

Step-by-step explanation:

1. If there are 24 hours in a day and we have 58 days then 24x58 would get us the hours that we need. So we would get 1392 hours. Add that to the hours already present and you get 1407 hours and 30 minutes. Since 30 minutes is half of one hour you can either use a fraction or decimal to give your answer: 1407.5 hours...

2. 0.6ft x12 = 7.2inches (12 inches in 1 foot)

1 day = 24 hours

0.6ft per day

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7.2/24 = 0.3inches

3.

0.09(60h)+60h is the total cost including the tax on it.

now, the tell-tale part is the 0.09, the decimal bit, because is multiplying 60h.

if, say to fix Deborah's computer took 5 hours, then h = 5, the cost the fellow is charging her for his work is 60h, if h = 5, then 60(5) .

so, the 0.09 in decimal format is simply applying an 8% tax on 60h, whatever "h" happens to be.

6 0
3 years ago
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