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3 years ago

12

You randomly choose one of the tiles. Without replacing the first tile. What is the event of the compound event? Write your answ

er as a fraction or percent rounded to the nearest tenth. 20 is the number of

1 answer:

Luden [163]3 years ago

7 0

Answer:

87777777777777777777777777

Step-by-step explanation:

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8x - 1 - 9x I don’t understand

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3 years ago

-3 is which type of number? Select all that apply.

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Read 2 more answers

21. For the following exercises, use the descriptions of each pair of lines given below to find the slopes of Line 1 and Line 2.

dybincka [34]

Answer:

The given lines are perpendicular.

Step-by-step explanation:

In the question, two lines are given as line 1 passes through (1,7) and (5,5). Whereas, line 2 passes through (-1,-3) and (1,1).

It is required to find the slope of given lines and figure out whether they are perpendicular, parallel or neither.

To solve this question, first find the slope of both lines. Check if their product is equal to -1, then they are perpendicular. If the slopes are equal the lines are parallel.

Step 1 of 2

Find the slope of first line.

$\begin{aligned}m_{1} &=\frac{5-7}{5-1} \\m_{1} &=\frac{-2}{4} \\m_{1} &=-\frac{1}{2}\end{aligned}$

Step 2 of 2

Find the slope of first line.

$\begin{aligned}&m_{2}=\frac{1-(-3)}{1-(-1)} \\&m_{2}=\frac{4}{2} \\&m_{2}=2\end{aligned}$

And

$\begin{aligned}&m_{1} m_{2}=-\frac{1}{2}(2) \\&m_{1} m_{2}=-1\end{aligned}$

Since, both slopes are reciprocal of each other.

Therefore, the lines are perpendicular.

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2 years ago

Round your answer to the nearest hundredth . B+21 3/8=4/7

NemiM [27]

Answer:

Step-by-step explanation:

B= -20+45/56

B=-20.80

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3 years ago

Which of these equations are in slope-intercept form?

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Answer:

y = mx + b

Step-by-step explanation:

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