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Vika [28.1K]
3 years ago
7

This is similar to the last one but this is also an quiz that’s worth a major. Can anybody help?

Mathematics
1 answer:
VashaNatasha [74]3 years ago
3 0

Answer:

42

Step-by-step explanation:

Shanice: 88

Greg: (88 - 4) ÷ 2 = 84 ÷ 2 = 42

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Your school’s baseball team sells 1250 raffle tickets at $4 each. The grand prize is a $3000 boat. The second prize is a $450 gr
densk [106]

Answer:

The expected value of the winnings for a single-ticket purchase is -$1.0016.

Step-by-step explanation:

The total number of tickets sold is, <em>N</em> = 1250.

Cost of one ticket is, $4.

Let <em>X</em> = amount of prize.

The prize distribution is as follows:

1 Grand price = $3000

1 Second prize = $450

10 Third prize = $25

The expected value <em>X</em> can be computed using the formula:

E(X)=\sum x.P(X)

Compute the probability distribution of <em>X</em> as follows:

     Prize        Amount (X)         P (X)                    x · P (X)

1 Grand prize    $3000         \frac{1}{1250}=0.0008     \$3000\times 0.0008=2.4

1 Second prize  $450          \frac{1}{1249}=0.0008      \$450\times 0.0008=0.36

10 Third prize      $25          \frac{10}{1248}=0.008        \$25\times 0.008=0.2

No prize             -$4      1-\sum P(Win)\\=0.9904   -\$4\times 0.9904=-3.9616

TOTAL                              1.0000                            -1.0016

Thus, the expected value of the winnings for a single-ticket purchase is -$1.0016.

5 0
3 years ago
What is the GCF of 2x^3-7x^2+3x
timurjin [86]
The GCF to this question is 1x.
3 0
3 years ago
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A magazine has 120 pages. There are 28 full-page ads and 12 half-page ads. The rest of the magazine consists of articles.
Finger [1]

Answer:

120 = 28 + 12(½) + X

Where X is the no. of pages of articles

120 = 28 + 6 + X

X = 120 - 34

X = 86

4 0
3 years ago
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G(-4, -8) and H(-15, -3). What is the slope of GH?
Masteriza [31]

Answer:

G(x1,y1)= (-4,-8)

H(x2,y2)=(-15,-3)

Slope = (y2-y1)/(x2-x1)

=(-3-(-8))/ (-15-(-4))

= (-3+8)/(-15+4)

=5/-11

3 0
3 years ago
What is 4 1/4 divied by 3 1/2​
Ludmilka [50]

Answer:

1  3/14

Step-by-step explanation:

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2 years ago
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