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Harlamova29_29 [7]
3 years ago
7

Use the equation tool to complete the table y=120+18(x)

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

No need for tool

With Two points is enough to describe this graph

\left[\begin{array}{cc}\frac{-20}{3} &0\\0&120\end{array}\right]

Step-by-step explanation:

Interception with Y axis (y=0), thus we have the following equation:

0=120+18*x

x=-120/18

x=-20/3 since we can not simplify much more

The point for this is (-20/3 , 0)

Interception with x axis (x=0), thus we have the following equation:

Y=120+18*0

y=120

The point for this is (0, 120)

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Answer:

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Step-by-step explanation:

The formula of the probability is given by:

P(A)=\frac{n(A)}{N}

Where P(A) is the probability of occurring an event A, n(A) is the number of favorable outcomes and N is the total number of outcomes.

In this case, N is the total number of the students of statistics class.

N=18+10=28

The probability of the union of two mutually exclusive events is given by:

P(AUB)=P(A)+P(B)

Therefore:

P(a junior or a senior) =P(a junior)+P(a senior)

Because a student is a junior or a senior, not both.

n(a junior)=18

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P(a junior or a senior) = 18/28 + 10/28

Solving the sum of the fractions:

P(a junior or a senior) = 28/28 = 1

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3 years ago
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