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2 years ago

8

The distance a jet travels (s) varies directly with the number of hours (1) flown. A jet

1 answer:

DaniilM [7]2 years ago

3 0

Answer:

B

Step-by-step explanation:

Soucre: trust me bro

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Marcus painted 1/3 of his bedroom in 4/5 of an hour. At this rate, how long would it take him the paint the entire room? I need

expeople1 [14]

So it took him 4/5 of an hour to paint 1/3
that means there is still 2/3 to go
so that means that he will have two times that time to paint the rest of the room
<u>4/5</u> = <u> ? </u>
1/3 2/3

using cross multiplication

(4/5)(2/3) = (1/3) (?)
8/15 = 1/3 ?
divide both sides by 1/3
so that will be 8/5
that means it will take 8/5 of an hour to complete the rest
or 12/5 total to do entire room

Hope this helps ;)

7 0

2 years ago

Is the square root of 34 a rational number

serious [3.7K]

Answer:

No

Step-by-step explanation:

The square root of 34 does not multiply by itself

4 0

3 years ago

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PLEASE HELP<br> ILL GIVE U BRAINLEIST<br> AND 5 STARS:)

skad [1K]

Answer:

The slope is undefined!!but DONTTTT trust my answer if you are in exam or test

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2 years ago

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A sundial that measures 38 inches across its center is shown on the concrete slab. In terms of π, what area of the slab is cover

OLEGan [10]

A=pi19^2, will be the area of the sundial

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3 years ago

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In a game of rolling a die. If the number showing is even, you win $3, if the number showing is 1 you win $3 and if the number s

IceJOKER [234]

Answer:

(a)

$\left|\begin{array}{c|c|c}---&---&---\\x&\$0&\$3\\---&---&---\\P(x)&\dfrac13&\dfrac23\\---&---&---\\\end{array}\right|$

(b)$2

Step-by-step explanation:

In the given game of rolling a die. these are the possible winnings.

If the number showing is even(2, 4, or 6) or 1, you win $3.
If the number showing is either 3 or 5 you win $0.

There are 6 sides in the die.

$P($obtaining a 1,2,4 or 6)=\dfrac46=\dfrac23\\P($obtaining a 3 or 5)=\dfrac26=\dfrac13$

(i)The probability distribution of x.

Let x be the amount won

Therefore:

Probability distribution of x.

$\left|\begin{array}{c|c|c}---&---&---\\x&\$0&\$3\\---&---&---\\P(x)&\dfrac13&\dfrac23\\---&---&---\\\end{array}\right|$

(ii) Expected amount of dollar won

Expected Amount

$=\sum x_iP(x_i)\\=(0*\dfrac13)+(3*\dfrac23)\\=\$2\\$

You would expect to win $2.

7 0

2 years ago