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4 years ago

Is the amount 0.31 more less or equal to half.

1 answer:

8 0

If you mean half as in 1/2, then yes, 0.31 is less than half because 1/2 as a decimal is 0.50.

Make me brainliest answer if this helped you!

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A man buys a racehorse for $20,000 and enters it in two races. He plans to sell the horse afterward, hoping to make a profit. If

victus00 [196]

Answer:

The expected profit is $10,600.

Step-by-step explanation:

The expected profit can be calculated as the sum of the possible outcomes weighted by their probability of occurrence.

In this case, there are four possible outcomes:

1) The horse win both races. The value of the horse will be $100k-$20k=$80k.

The probability of this outcome is:

$P(ww)=P(w1)*P(w2)=0.2*0.3=0.06$

2) The horse win the first race, but lose the second one. The value will be $50k-$20k=$30k.

The probability is:

$P(wl)=P(w1)*(1-P(w2))=0.2*(1-0.3)=0.2*0.7=0.14$

3) The horse lose the first race, but win the second one. The value will be $50k-$20k=$30k.

The probability is:

$P(lw)=(1-P(w1))*P(w2)=(1-0.2)*0.3=0.8*0.3=0.24$

4) The horse lose both races. The value will be $10k-$20k=-$10k.

The probability is:

$P(lw)=(1-P(w1))*(1-P(w2))=(1-0.2)*(1-0.3)=0.8*0.7=0.56$

Then, the expected profit can be calculated as:

$E(x)=\sum\limits^4_{i=1} {p_ix_i}\\\\E(x)=0.06*80,000+0.14*30,000+0.24*30,000+0.56*(-10,000)\\\\E(x)=4,800+4.200+7,200-5,600=10,600$

6 0

3 years ago

at a ice cream shop the ratio of sugar cones sold to waffle cones sold is 10:7. if there are 40 sugar cones sold. how many waffl

Korvikt [17]

40/10=4
4*7=28
so answer is 28

8 0

3 years ago

Need help on this didn’t study for it but it’s easy

taurus [48]

Answer:

x * 17.5 = y

Step-by-step explanation:

7 0

3 years ago

If polygon A is a parallelogram, and polygon B is a rectangle, which of the

Daniel [21]

Answer:

The answer is C

Step-by-step explanation:

* Lets talk about some facts in parallelograms and rectangles

- Rectangle is a parallelogram with right angles

- Supplementary angles is two angles their sum is 180°

- The opposite angles in the rectangle are equal and supplementary

- A circle can circumscribe a quadrilateral if the opposite angles of

the quadrilateral are supplementary

- In the parallelograms opposite angles are equal

- The circle can circumscribe a rectangle because its opposite

angles are supplementary

- The circle can't circumscribe a parallelogram because its opposite

angles are not supplementary they are equal

* Lets solve the problem

- Polygon A is a parallelogram

- Polygon B is a rectangle (parallelogram with right angles)

∵ The circle can't circumscribe a parallelogram because its opposite

angles are not supplementary

∴ Polygon A can't circumscribed by a circle

∵ Polygon B is a rectangle its opposite angles are equal the measure

of each one is 90°

∴ Its opposite angles are supplementary

∴ Polygon B can circumscribed by a circle

∵ The rectangle is a parallelogram with right angles

∴ Polygon B represents the only parallelogram that a circle can

circumscribed because opposite angles are supplementary

* The answer is C

6 0

3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Elina [12.6K]

Answer:

It's answers 1 and 3

Step-by-step explanation:

The meeting is not mandatory and only volunteers are participating in the task he wanted, this shows bias and doesn't correctly represent the whole team.

7 0

3 years ago