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3 years ago

7 2/3 16 3/5 + 8 1/2 ______

Mathematics

1 answer:

____ [38]3 years ago

5 0

Answer in photo. hope this helps

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Question 8, how do i do it? Please show work too

DENIUS [597]

Answer: 26

Step-by-step explanation:

10 : 3 means for every 3 songs he kept, he deleted 10

He deleted 20

10 * 2 = 20

3 * 2 = 6

He deleted 20 songs, and kept 6.

So, he had 26 songs on his MP3 player.

20 + 6 = 26

4 0

3 years ago

Which graph represents a proportional relationship? A B C D

Andre45 [30]

Answer:

Step-by-step explanation:

its pretty hard to explain but let me put it like this- it crosses through (0,0) and it mirrors itself in the 1st and 3rd quadrants

6 0

3 years ago

Manda has $1,500 to invest. She invested this money in a certificate of deposit that pays 5.75% over 2 years. How much interest

nata0808 [166]

I think its a) 172.50 but im not exactly sure.

4 0

3 years ago

Matt wants to buy a television. If he

VladimirAG [237]

Answer:

The cost of the television is $\$294$

Step-by-step explanation:

Let

x -----> the cost of the television in dollars

we know that

The cost of the television represent 100%

If Matt pays cash

then

$100\%-7\%=93\%=93/100=0.93$

The cost is 0.93x

If Matt pays with a loan

then

$100\%+10\%=110\%=110/100=1.1$

The cost is 1.1x

The difference between the two methods is

$1.1x-0.93x=0.17x$

Remember that

The difference between the two methods is $49.98

$0.17x=49.98$

Solve for x

$x=\$294$

7 0

3 years ago

The number of lightning strikes in a year at the top of a particular mountain has a poisson distribution with a mean of 3.8. fin

atroni [7]

Let X be the number of lightning strikes in a year at the top of particular mountain.

X follows Poisson distribution with mean μ = 3.8

We have to find here the probability that in randomly selected year the number of lightning strikes is 0

The Poisson probability is given by,

P(X=k) = $\frac{e^{-mean} mean^{x}}{x!}$

Here we have X=0, mean =3.8

Hence probability that X=0 is given by

P(X=0) = $\frac{e^{-3.8} 3.8^{0}}{0!}$

P(X=0) = $\frac{0.02237 * 1}{1}$

P(X=0) = 0.0224

The probability that in a randomly selected year, the number of lightning strikes is 0 is 0.0224

5 0

3 years ago