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Llana [10]
3 years ago
8

Cindy has four more than five times as many cousins as Kathy, k. which expression represents 1how many cousins Cindy has compare

d with Kathy?
Mathematics
2 answers:
DanielleElmas [232]3 years ago
6 0

Hello!

C= 4 + 5x

I hope it helps!

Nadusha1986 [10]3 years ago
5 0

Hello!

We can write this expression below.

5k+4

I hope this helps!

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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.

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1 year ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

2(x+5) this is the most you can simplify it

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simplified:

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