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zubka84 [21]
3 years ago
8

Describe and correct the error in finding the sum. -5/8 + 1/8 = -5+1/8 = -6/8 = -3/4

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Answer:  -1/2 is the correct answer

Step-by-step explanation:

(-5/8)+(1/8)

=((-5+1)/8)

= -4/8

=-1/2

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The small car gets better gas mileage
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A local flower shop is selling $1 raffle tickets and is donating all proceeds to the children's hospital. They sold 5,500 ticket
xxMikexx [17]

Answer: The expected value of purchasing a raffle ticket would be $0.3449.

Step-by-step explanation:

Since we have given that

Number of tickets = 5500

Number of flower arrangements = 20

Number of gift certificates = 20

So, Probability that wining $70 at flower arrangement = \dfrac{20}{5500}=\dfrac{1}{275}

Probability that wining $25 at gift certificates = \dfrac{20}{5500}=\dfrac{1}{275}

So, Expected value of purchasing a raffle ticket would be

70\times \dfrac{1}{275}+25\times \dfrac{1}{275}\\\\=0.254+0.0909\\=\$0.3449

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5 0
4 years ago
An athlete jumps these 4 distances in a long jump competition. Which jump does NOT round to 4.7 meters.
professor190 [17]
The first jump is the correct answer I think
4 0
3 years ago
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Peter decides to mix grades of gasoline in his truck. He puts in 6 gallons of regular and 7 gallons of premium for a total cost
Slav-nsk [51]
Https://www.algebra.com/cgi-bin/plot-formula.mpl?expression=+12r+&x=0003
5 0
4 years ago
A washing machine is being redesigned to handle a greater volume of water. One part is a pipe with a radius of 3 cm and a length
julsineya [31]

Answer:

11

Step-by-step explanation:

Method A

(3*\pi )*11\approx103.62

(4*\pi )*11\approx138.16

138.16-103.62=34.54

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Method B

3\pi*11=33\pi

4\pi*11=44\pi

44\pi-33\pi=11\pi

8 0
3 years ago
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