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2 years ago

1. A motorcycle travels 210 km on 20 liters of gasoline. How many kilometers

Mathematics

1 answer:

sladkih [1.3K]2 years ago

5 0

Answer:1) 367.5 km as 35/20 is = 1.75, using this we do 210*1.75

2)15(im not sure tho)

3)for A 5 multiply to 250, 000.00 or 5/12*250,000.00 = 104166.666667

5+4+3 ----> The sum is 12

*note the numerator indicates the amount shared

divided by the sum of all the portion

B 4 (250,000.00) or 4/12*250,000.00 = 83333.3333333

C 3 (250,000.00) or 3/12*250,000.00 = 62500

to check a+b+c = cash donation

104166.666667+83333.3333333+62500 = 250000

Step-by-step explanation:

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If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, then P(X ≥ 75) is:a. 0.500b. 0

drek231 [11]

Answer:

a. 0.5

Step-by-step explanation:

We know that X follows normal distribution with

mean=75

standard deviation=8

$P(X\geq 75)=P(\frac{x-mean}{standard deviation}\geq \frac{75-75}{8})$

$P(X\geq 75)=P(Z\geq 0)$

$P(Z\geq 0)=$ P(0<Z<∞)

The area under the normal curve is 1 and the (0<Z<∞) =0.5 and (-∞<Z<0) =0.5

So, P(0<Z<∞)=0.5

Hence the P(X ≥ 75)=0.5

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4 years ago

Write the slope-intercept form of the equation of each line given the slope and y-intercept

gladu [14]

Answer:

Step-by-step explanation:

y = -7/5 x + 5.

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3 years ago

Which of the following is an example of independent events?

Mashcka [7]

Answer:

A. Getting tails from a coin toss and drawing a king from a standard

deck of cards.

Step-by-step explanation:

In probability, independent events are two events that do not affect the outcome of the other. In the first option, whether or not tails is flipped in no way changes the likelihood of a king being drawn. So it is independent because each event can be performed independently of the other.

However, all of the other options are "without replacement". This is a common term used to describe dependent events because since the item is not being replaced, the sample size is changed. This changes the probability of the next outcome. They are called dependent events because the second event depends on the first.

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3 years ago

I need help with this please

Colt1911 [192]

Answer:

56.55600 cm

Step-by-step explanation:

Radius ( r ) = 9 cm

Formula : -

Perimeter ( semi - circle ) = πr + 2r

Perimeter ( semi - circle )

= πr + 2r

= ( 3.142 x 9 ) + ( 2 x 9 )

= 9 ( 3.142 + 2 )

= 9 x 6.284

= 56.55600 cm

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3 years ago

Read 2 more answers

What is x and y please hurry

bogdanovich [222]

Answer:

Step-by-step explanation:

-0.5,1

-1, 2

-1.5,3

-2,4

-2.5, 5

-3, 6

hope that helps

8 0

3 years ago