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Brut [27]
3 years ago
8

True or false: Two lines with undefined slopes are parallel to each other and parallel to the y axis

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0
Correct! lines that have undefined slopes are always parallel to the y-axis as the change in x is 0. A gradient is calculated by  the change in y divided by the change in x and anything divided by 0 is referred to as undefined.
 
\frac{y_{1}- y_{2}  }{x_{1}- x_{2} }

(calculation for a gradient)


Hope that helps sorry if its a bit confusing :)
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PLEASE ANSWER THIS FAST<br> (x+6)+(5x)=90
Pachacha [2.7K]

Answer:

x=14

Step-by-step explanation:

there is a picture to help you foe the explanation

7 0
3 years ago
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Factor –3y – 18 and choose the correct option.
den301095 [7]
<h3>Factor –3y – 18 is:  -3(y + 6)</h3>

<em><u>Solution:</u></em>

Given that we have to factor -3y - 18

Use the distributive property,

a(b + c) = ab + bc

From given,

-3y - 18

Factor out the greatest common factor of 3 and 18

The factors of 3 are: 1, 3

The factors of 18 are: 1, 2, 3, 6, 9, 18

Then the greatest common factor is 3

Factot out 3 from given expression

-3y - 18 = 3( - y - 6)

Or else we can rewrite as,

-3y - 18 = -3(y + 6)

Thus the given expression is factored

5 0
3 years ago
Toru takes his dog to be groomed. The fee to groom the dog is $75 plus 7% tax. Is $80 enough to pay for the service? Explain.
weqwewe [10]
80$ won't be enough to pay
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7 0
3 years ago
The gas tank on your lawn mower holds 1/8 gallon of fuel. You can mow 2 1/4 lawns with one tank of fuel. At this rate, how many
blagie [28]
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5 0
3 years ago
Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same ro
nydimaria [60]
The key is Esther travelled the same distance - x - in both her morning and evening commute.

45(time she took in the morning, or p) = x
30(time she took in the evening, or q) = x

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Since the whole trip took an hour, (p + q) = 60min, and so, p = 60-q.

Therefore 9(60-q) = 6q or 540-9q = 6q. So 540 = 15q, which makes q = 36. If q = 36, then by (p+q)=60, p (the time she took in the morning) must equal 24.

45 miles per hour, her speed in the morning, times (24/60) hours, her time, makes 18 miles travelled in the morning. If you check, 30 miles per hour times (36/60) hours also makes 18 miles in the evening.

<span>Hope that makes a little sense. And I also hope it's right</span>
7 0
3 years ago
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