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Ilya [14]
3 years ago
12

WORTH A WHOLE LOTTA POINTS!

Mathematics
1 answer:
dangina [55]3 years ago
8 0

Where did you get that A and B? I could answer if you were much more precise.

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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.

6 0
1 year ago
Find two equivalent fractions for 2/12
Gwar [14]
1/6 (divide each by 2)
4/24 (multiply each by 2)
8 0
2 years ago
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A rectangular prism with a height of 6 m, a length of 5 m, and a width of 4 m will have a different surface area than a rectangu
photoshop1234 [79]
The surface area of both will be the same, 148
3 0
2 years ago
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Which relation is also a function?
slavikrds [6]

Answer:

Hi san, A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. For example, consider the following sets X and Y.

This should help you a bit.

6 0
3 years ago
Help me solve this problem please
Anton [14]

Answer:

y=-5x thats it so ype it in ir whatevet

4 0
3 years ago
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