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2 years ago

I NEED HELP AHHHHH!!!!!!!!!!!

Mathematics

2 answers:

slega [8]2 years ago

6 0

Answer: I think it's 4.5

Step-by-step explanation: 27÷6=4.5

stepladder [879]2 years ago

3 0

I actaully had this question on my test today the correct anwser was 4.5

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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

How do you graph y=6x-3

diamong [38]

y=6x-3

put a point on (0,-3) this is your y intercept

go up 6 and over 1 this should land you at (1,0) do this again and your at (2,6)

go back to the y intercept now go down 6 and over 1, this should land you (-1,-6)

continue to do this until you graph is filled

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2 years ago

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zzz [600]

Second one second column

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olga55 [171]

Answer:

2/6

Step-by-step explanation:

There are 6 sides, and two are green. That makes it 2/6

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Chas and Tyler have been collecting video games. Chas

marshall27 [118]

Answer:

Step-by-step explanation:

m+25=65

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3 years ago