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Marysya12 [62]
3 years ago
13

Can someone explained what i am supposed to do in this picture.

Mathematics
2 answers:
marta [7]3 years ago
8 0
Think about it... If the smaller circle has to be increased by 25% to be the big circle, then the big circle will have to decrease by __% to be the smaller size
FinnZ [79.3K]3 years ago
7 0
Well i think you are suppose to explain how OR WHAT THE CHANGE IN DECREASE Is.
Hope i helped
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A regular hexagon has an area of 750.8 cm. The side length is 17 cm. Find the apothem.
kompoz [17]

Since, a regular hexagon has an area of 750.8 square cm and The side length is 17 cm.

We have to find the apothem of the regular hexagon.

The formula for determining the apothem of regular hexagon is s \div {{2 \tan (\frac{180}{n})}, where 's' is any side length of regular hexagon and 'n' is the number of sides of regular hexagon.

So, apothem = 17 \div {2 tan(\frac{180}{6})

= 17 \div {2 tan(30)

= 17 \div {1.15}

= 14.78 units

Therefore, the measure of apothem of the regular hexagon is 14.7 units.

Option B is the correct answer.

5 0
3 years ago
15 is 30% of what number?
777dan777 [17]
15 is 30% of 50 

Change the percentage to a decimal by dividing it over 100:
\frac{30}{100} = 0.3

Divide 15 over 0.3:
\frac{15}{0.3} = 50

3 0
3 years ago
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What does the main denominator mean?
Assoli18 [71]

Answer: the denominator represents the number of equal parts in a whole, and the numerator represents how many parts are being considered.

Step-by-step explanation:

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3 years ago
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If z=3−5i, find |z|.
geniusboy [140]

Answer:

Step-by-step explanation:

The absolute value of z is the distance between the point graphed from the complex number and the origin on a complex plane.  In a complex plane, the x axis is replaced by R, real numbers, and the y axis is replaced by i, the complex part of the complex number.  Our real number is positive 3 and the complex number is -5, so we go to the right 3 and then down 5 and make a point.  Connect that point to the origin and then connect the point to the x axis at 3 to construct a right triangle that has a base of 3 and a length of -5.  To find the distance of the point to the origin is to find the length of the hypotenuse of that right triangle using Pythagorean's Theorem.  Therefore:

|z|=\sqrt{(3)^2+(-5)^2} and

|z|=\sqrt{9+25} and

|z|=\sqrt{34}

5 0
3 years ago
What is the answer?? Please help me
Sergeeva-Olga [200]

Answer:

<u>k-4</u><u>=</u><u>9</u>

<u>k</u><u>=</u><u>9</u><u>+</u><u>4</u>

<u>k</u><u>=</u><u>1</u><u>3</u><u> </u>

<u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u>

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