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soldi70 [24.7K]
3 years ago
5

A 9 kilogram bag of animal feed costs $45. ​ What is the unit price per kilogram?

Mathematics
1 answer:
kotykmax [81]3 years ago
6 0
The unit price per kg is $5, to find this divide the 9 kilograms into the price $45 the answer is what each kilogram is worth
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How do you solve 30>-(5z+15)+10z
AlekseyPX
Math:

Step #1: Simplify both sides of the inequality.
<span>30><span>5z−15

</span></span>Step #2: Flip the equation.

<span><span>5z−15</span><30

</span>Step #3: Add 15 to both sides.
<span><span><span>5z−15</span>+15</span><<span>30+15

</span></span><span>5z<45

</span>Step #4: Divide both sides by 5.

<span><span>5z/5=45

Your Answer:
</span></span><span>z<9</span>
6 0
3 years ago
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There are 27 red or blue marbles in a bag. The number of red marbles is five less than three times the number of blue marbles. H
sveticcg [70]

The number of red marbles in the bag is 19 and the number of blue marbles is 8.

<u>Explanation:</u>

Let R be the number of red marbles

Let B be the number of blue marbles

According to the question,

R + B = 27 (Total number of marbles is 27 )                 -1

R = 3B - 5 (Number of red marbles is 5 less than 3 times the number of blue marbles )

Substitute the right half of the second equation for R in the first equation

3B - 5 + B = 27

Add 5 to each side and combine the Bs

4B = 32

Divide both sides by 4

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Use this value of B in the first equation

R + 8 = 27

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Therefore, number of red marbles in the bag is 19 and the number of blue marbles is 8.

7 0
3 years ago
Moe puts $1500 in a bank certificate that pays an annual rate of 4.5% compounded annually. No withdrawals or deposits are made.
SpyIntel [72]

Answer:

FV= $2,041.29

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $1,500

Number of periods (n)= 7 years

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<u>To calculate the future value, we need to use the following formula:</u>

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FV= 1,500*(1.045^7)

FV= $2,041.29

6 0
3 years ago
Josh has a collection of 110 comic books. Eighty-two of the comic books feature superheroes. What percent of the comic books fea
IceJOKER [234]
So,

Josh has 110 comic books total, and 82 of them feature superheroes.  To find the percentage, just divide 82 by 110.

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\frac{41}{55}=0.7\overline{45}

To convert to a percent, just move the decimal place two places to the left and add a percent sign.

0.7\overline{45} --\ \textgreater \ 74.\overline{54}\ percent

Rounding, we get:

75%

So about 75% of Josh's comic books feature superheroes.
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Answer:

5/13 or 38.41%

Step-by-step explanation:

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