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sveta [45]
3 years ago
13

Is y=7x+2 x+7y=8 parallel, perpendicular, or neither?

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0
Rearrange them to slope-intercept form

y = 7x + 2

y = -(1/7) x + 8

product of their slopes is  7 * -1/7  = -1  so they are perpendicular
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10 POINTS answer ASAP if you can
Dafna1 [17]

Answer:

I think it is

Step-by-step explanation:

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3 0
2 years ago
How do you solve this whole thing please?
NemiM [27]

Answer:

Step-by-step explanation:

Let's look at the first two, and hopefully you'll be able to figure the rest out:

1. Answer below

d = rt

The problem asks us to solve for r, so that means we need to get r on one side of the equation by itself. To do so, we will need to divide both sides of the equation by t:

\frac{d}{t} = \frac{rt}{t}

\frac{d}{t} = r

2. Answer below

B = T - Lc

The problem asks us to solve for T, so that means we need to get T on one side of the equation by itself. To do so, we will need to add Lc to both sides of equation:

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7 0
3 years ago
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Burka [1]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Put these numbers in order from greatest to least.
Lesechka [4]

Answer: 3\frac{21}{30} ,3\frac{14}{28},\frac{15}{25},0.5,-0.7

Step-by-step explanation:

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6 0
2 years ago
Y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?
Ksju [112]
In a proportional relationship, x and y will increase at the same rate. In order to find the value of x when y=4, we first have to find the ratio of x:y. We can do this by creating a fraction. After we know the ratio, simply replace the y value with 4 and solve for x. Here's the math:

y=15 when x=3       given values

y/x = 15/3 = 5          ratio of y to x

y=5x                        equation representing the proportional relationship 

4=5x                        replace y with 4

4/5=x                       divide both sides by 5 to isolate x

Answer: The value of x=4/5 when y=4.

Hope this helps!


6 0
3 years ago
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