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Rasek [7]
3 years ago
15

How do you answer these questions?

Mathematics
1 answer:
Maurinko [17]3 years ago
8 0

Answer:

35) 5/12 36) 7/11

Step-by-step explanation:

Because, when you are drawing a girls name from the hat, the probability would be 7/12, then you replace her name and that would make the probability to draw a boys name 5/12. (since you replaced the girls name before.

now you have a probability of drawing 5/12 for a boys name, and now you don't replace the name, so the probability to draw a girls name out of the hat, would be 7/11

(idk if you have to put both answers on one, so if so, then do that for your answer Example: for 35, if the answer is 5/12, 7/12 then do that

Hope this helped, sorry I am not good at explaining things:)

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The figure below is a square. Find the length of side x in simplest radical form with a rational denominator.
Mashcka [7]

Answer:

\frac{\sqrt{10}}{2}

Step-by-step explanation:

The diagonal forms two 45-45-90 triangles, with the diagonal being the hypotenuse of both. The Pythagorean Theorem states that a^2+b^2=c^2, where c is the hypotenuse of the triangle, and a and b are the two legs of the triangle.

From the Isosceles Base Theorem, the two legs of a 45-45-90 triangle are always equal. Since we're given a diagonal of \sqrt{5}, we have:

x^2+x^2=\sqrt{5}^2,\\2x^2=5,\\x^2=\frac{5}{2},\\x=\sqrt{\frac{5}{2}}=\frac{\sqrt{5}}{\sqrt{2}}=\frac{\sqrt{5}}{\sqrt{2}}\cdot \frac{\sqrt{2}}{\sqrt{2}}=\boxed{\frac{\sqrt{10}}{2}}

7 0
3 years ago
Clint has to spend a minimum of $75 in order to use his coupon at the store
Colt1911 [192]
Okay what’s the rest of the question ?
7 0
4 years ago
I need help please now
Arlecino [84]

Answer:

x=12

Step-by-step explanation:

This is an equilateral triangle.  That means all the angles are equal

There are three angles  and they add to 180.  180/3 =60.  Each angle is equal to 60

4x+12 =60

Subtract 12 from each side

4x+12-12 = 60-12

4x = 48

Divide by 4

4x/4 =48/4

x=12  

3 0
3 years ago
A circle with circumference 8 has an arc with a 288 degree central angle
Lapatulllka [165]

Answer:

Step-by-step explanation:

l=8

\theta=288 \pi /180=72\pi /45=8\pi /5\\\theta=\frac{l}{r} \\r=\frac{l}{\theta}=8 \times 5/(8 \pi )=5/\pi \approx 1.59

3 0
3 years ago
What is a possible volume for this cylinder if the diameter is 8 cm? Explain your reasoning.
lesantik [10]

Answer:

The formula for the volume of a cylinder is pi*r^2*h

r=radius= 1/2 diameter

h= the height

pi=3.14...

just get the height and plug it in

Step-by-step explanation:

5 0
3 years ago
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