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masha68 [24]
3 years ago
14

ASAP QUICK!!!! YOU WILL GET 5 STARS AND BRANILEST I AM SORRY I AM DOING THIS OVER AND OVER BUT IT IS DUE NOW!!!

Mathematics
1 answer:
hodyreva [135]3 years ago
5 0

Answer:

1.6cm

2.The door should be 1.6cm wide on the drawing.

.Step-by-step explanation:

1.First, note that 1 m =100 cm.

Then

5 m = 500 cm;

3 m = 300 cm.

If Elena wants to make a scale drawing of her bedroom on a scale of 1 to 50, then

500 cm : 50  = 10 cm;

300 cm : 50  = 6 cm.

Therefore, the length of the scale drawing is 10 cm and the width of the scale drawing is 6 cm.

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Evaluate the quantity 3 squared times 3 to the power of negative 5 end quantity over 5 to the power of negative two.
chubhunter [2.5K]

The value of the expression given as  [3² * 3⁻⁵]/[5⁻²] is 25/27

<h3>How to evaluate the expression?</h3>

The expression is given as:

3 squared times 3 to the power of negative 5 end quantity over 5 to the power of negative two

Rewrite properly as:

[3² * 3⁻⁵]/[5⁻²]

Apply the negative exponent law of indices

So, we have

[3² * 3⁻⁵]/[5⁻²] = [5²]/[3⁻² * 3⁵]

Apply the exponent law of indices

[3² * 3⁻⁵]/[5⁻²] = [5²]/[3³]

This gives

[3² * 3⁻⁵]/[5⁻²] = 25/27

Hence, the value of the expression given as  [3² * 3⁻⁵]/[5⁻²] is 25/27

Read more about expressions at:

brainly.com/question/723406

#SPJ1

7 0
1 year ago
What number is 25% of 5/8
sergij07 [2.7K]

Answer:

5/32 or .15625

Step-by-step explanation:

5/8=.625x.25=5/32 or .15625

3 0
3 years ago
Answer fast whoever get it right gets BRAINLIEST!!!
dlinn [17]
Is it d=8/3????......
5 0
3 years ago
1/3 of 3/4 = ____ fourth(s)
SashulF [63]

Answer:

0.99

Step-by-step explanation:

.33 x .75 = .2475 or 0.99/4

6 0
2 years ago
How do you solve 3 1/4 - 1 5/6
rjkz [21]

Answer:

to solve 3\frac{1}{4} -1\frac{5}{6}  you would first need to convert them from mixed numbers to improper fractions. You can do this by multiplying the denominator with the whole number and then adding the numerator.  Then you should make sure that the denominators are the same. You can do this by first finding a number that they will both multiply into. In this example it is 12. And when changing the denominator you must apply it to the numerator.  So if you multiplied the denominator by 3 then you must multiply the numerator by 3. After you can just minus the numerators. However remember to keep the denominator the same. Then you can change it back into a mixed number by dividing the numerator by the denominator and having that whole number on the side of the fraction . lets say it is \frac{13}{6} then you would divide 13 by 6 which is 2 and a decimal and then minus the number that is multiplied by the numerator and it will give a number that is smaller than the denominator and then it would become 2\frac{1}{6}.

Step-by-step explanation:

1) Change the fractions to improper fractions.

   \frac{13}{4} -\frac{11}{6}

2) Change the  denominator to a common denominator.

\frac{39}{12} -\frac{22}{12}

3) Minus the Numerators.

\frac{39}{12} -\frac{22}{12}=\frac{17}{12}

4) Changing it to a mixed number

=1\frac{5}{12}

6 0
3 years ago
Read 2 more answers
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