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Aleksandr [31]
3 years ago
7

What is the number if 2/3 of 27 equal 25% of a number?

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0

To solve this problem, we are going to set up an equation and let our unknown value be represented by the variable x. First, we must convert 25% into its decimal equivalent by dividing 25/100.

25/100 = 0.25

We should keep in mind that when we use the word “of” in math, it represents multiplication. This means that our equation should be set up with 2/3 multiplied by 27 on the left side equal to 0.25 times x on the right side, as modeled below:

(2/3)(27)=0.25x

To simplify this equation, we should perform the multiplication on the left side of the equation.

18 = 0.25x

Finally, we should divide both sides of the equation by 0.25 in order to isolate the variable x on the right side of the equation.

x = 72

Therefore, your answer and unknown number is 72.

Hope this helps!

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Edmond doubled the width of the crate. How do the perimeter and the area of the floor of the new crate compare to those of the o
Mariana [72]

Answer:

The area would be doubled also

The perimeter will be increased in a factor of 1.4

Step-by-step explanation:

Originally the area of new crate = L * B = 1.2 * 0.8 = 0.96 m^2

perimeter is 2(L+ B) = 2(1.2 + 0.8) = 4 m

Now let’s double the width , it becomes 0.8 * 2 = 1.6 m

Area would be 1.6 * 1.2 = 1.92 m^2 which is two times the previous area

The increased perimeter will be 2(1.6 + 1.2) = 5.6 m

This is an increase in factor of 1.4

7 0
3 years ago
△ABC∼△DEF , △ABC has a height of 20 inches, and △DEF has a height of 24 inches.
dybincka [34]
<span>△ABC∼△DEF
</span>Height of <span>△ABC: h1=20 inches
</span>Height of △DEF: h2=24 inches
<span>Ratio of the area of △ABC to the area of △DEF: R=?
</span>
R=(h1/h2)^2
R=[ (20 inches) /(24 inches) ]^2
R=(5/6)^2
R=5^2/6^2
R=25/36

Answer: T<span>he ratio of the area of △ABC to the area of △DEF is 25/36</span>
7 0
3 years ago
a piece of paper is 0.0075 in thick how many sheets of paper will be in a stack that is 2.25 inches high
boyakko [2]

Answer:

300

Step-by-step explanation:

That would be 2.25 / 0.0075

= 300

5 0
3 years ago
Can i get help ASAP!!! I’ll mark brainliest :)
horrorfan [7]

Answer:

for both?

Step-by-step explanation:


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An aircraft travels for 30 minutes at an average speed of 37 mph. how far did the airplane travel?
kupik [55]

Answer:

1.23 repeating

Step-by-step explanation:

divide 37 and 30

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