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Elodia [21]
3 years ago
13

Please answer!!!! There is a screen shot attached!

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0
Radical 15 is an irrational number
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A rectangular field is nine times as long as it is wide. If the perimeter of the field is 1500 feet, what are the dimensions of
trapecia [35]

Answer: the length is 675 and the width is 75

5 0
3 years ago
The areas of the two watch faces have a ratio of 16:25 What is the ratio of the radius of the smaller watch face to the radius o
Leona [35]

Answer:

The ratio of the radius of the smaller watch face to the radius of the larger watch face is 4:5.

Step-by-step explanation:

Let the Area of smaller watch face be A_1

Also Let the Area of Larger watch face be A_2

Also Let the radius of smaller watch face be r_1

Also Let the radius of Larger watch face be r_2

Now given:

\frac{A_1}{A_2} =\frac{16}{25}

We need to find the ratio of the radius of the smaller watch face to the radius of the larger watch face.

Solution:

Since the watch face is in circular form.

Then we can say that;

Area of the circle is equal 'π' times square of the radius 'r'.

framing in equation form we get;

A_1 = \pi {r_1}^2

A_2 = \pi {r_2}^2

So we get;

\frac{A_1}{A_2}= \frac{\pi {r_1}^2}{\pi {r_2}^2}

Substituting the value we get;

\frac{16}{25}= \frac{\pi {r_1}^2}{\pi {r_2}^2}

Now 'π' from numerator and denominator gets cancelled.

\frac{16}{25}= \frac{{r_1}^2}{{r_2}^2}

Now Taking square roots on both side we get;

\sqrt{\frac{16}{25}}= \sqrt{\frac{{r_1}^2}{{r_2}^2}}\\\\\frac{4}{5}= \frac{r_1}{r_2}

Hence the ratio of the radius of the smaller watch face to the radius of the larger watch face is 4:5.

7 0
3 years ago
Check each relation below that is a direct variation.
guapka [62]

Answer: option A and option D

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There are 50 teens in a work program. The circle graph shows the percentage of workers who have 0, 1, 2, 3, and 4 siblings.
Lostsunrise [7]
So there are 50 teens total
16% have no sibblings

so we must find 16% of 50
16%=16/100=0.16

'of' can be translated as multiply so
0.16 times 50=8
there were 8 teens who have no sibblings
4 0
3 years ago
Read 2 more answers
Defining What are the expressed powers and implied<br> powers of the national government?
Marizza181 [45]

Answer:

Constitution has given each separate system of government specific powers. There are three types of Delegated powers

Step-by-step explanation:

4 0
3 years ago
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