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3 years ago

Please help! Correct answer only!

Mathematics

1 answer:

Vinvika [58]3 years ago

3 0

Answer:

$7.50

Step-by-step explanation:

Since there is a 50% chance that the card is odd, the expected payoffs would be $15 * 50%=0.5*15=7.5. Hope this helps!

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(-4,5) and (4,0) find the distance between each pair of points

aleksklad [387]

Answer:

9.4339 units

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Where

$(x_1,y_1) = (-4,5)$

$(x_2,y_2) = (4,0)$

Replacing these values in the distance formula

$D =\sqrt{(-4-4))^2+(5-0)^2}$

$D =\sqrt{(-8)^2+(5)^2}$

$D =\sqrt{64+25}$

$D =\sqrt{89}$

$D= 9.4339$

Hence the distance is 9.4339 units

6 0

3 years ago

Find the equivalent expression for 3+2[2p+4t]

Sauron [17]

Answer:

3 + 4p + 8t

Step-by-step explanation:

3+2[2p+4t]

Distribute

3 + 4p + 8t

There are no like terms to combine

7 0

3 years ago

Which is a true stament?

solong [7]

2nd one: 2 rectangles can have thr same area but have different perimeters.

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3 years ago

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Ali used the expressed 8+25×2-45 to find how many CDs he has. how many CDs dose he have

MatroZZZ [7]

Ali has 13 CD's

Here's how I got my answer:

Step 1: Simplify $25 * 2$ to 50. Which leaves us with $8 + 50 - 45$

Step 2: Simplify $50 - 45$ to 5. Which leaves us with $8 + 5$ .

Step 3: Simplify $8 + 5$ , to get your answer, 13.

7 0

3 years ago

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I NEED HELP PLEASE, THANKS!! :)

Lisa [10]

Answer:

The answer is

$\frac{1372}{3} \pi \: {cm}^{3}$

Step-by-step explanation:

First you have to find the radius of sphere by dividing diameter by 2 :

$radius = diameter \div 2$

Let diameter = 14,

$radius = 14 \div 2$

$radius = 7 \: cm$

Next you have to use the volume of sphere formula :

$v = \frac{4}{3} \times \pi \times {r}^{3}$

Let r = 7,

$v = \frac{4}{3} \times \pi \times {7}^{3}$

$v = \frac{4}{3} \times \pi \times 343$

$v = \frac{1372}{3} \pi \: {cm}^{3}$

7 0

3 years ago