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3 years ago

11

There are 200 raffle tickets in a box. There are four 1st prize tickets, eight 2nd prize tickets, and sixteen 3rd prize tickets.

When one ticket is selected, what is the probability of it being a 1st prize, 2nd prize, or 3rd prize ticket?
0.08
0.16
0.04
0.14

1 answer:

dedylja [7]3 years ago

8 0

Answer:

0.14

Step-by-step explanation:

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A rectangle has a width of 9 units and a length of 40 units. What is the length of a diagonal?

aliina [53]

Answer:

41 units

Step-by-step explanation:

Rectangles have right angles, so we can use Pythagorean theorem to find the diagonal.

c² = a² + b²

c² = 9² + 40²

c² = 81 + 1600

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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anastassius [24]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of

exis [7]

Answer:

The smallest amount is $\£6,911$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=3\ years\\ A=\£8,000\\ r=5\%=5/100=0.05\\n=1$

substitute in the formula above

$8,000=P(1+\frac{0.05}{1})^{1*3}$

solve for P

$8,000=P(1.05)^{3}$

$P=8,000/(1.05)^{3}$

$P=\£6,910.70$

Round to the nearest pound she can invest

The smallest amount is $\£6,911$

6 0

3 years ago