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Lapatulllka [165]
2 years ago
7

What is the parallel slope of y=7​

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
3 0

Answer: y = 7 is a horizontal line that has a slope of 0

Step-by-step explanation:

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An express train travels 80km/h from Ironton to Wildwood. A local train, traveling at 48km/h, takes 2 hours longer for the same
masha68 [24]

Answer:

They are 240 kilometers apart.

Step-by-step explanation:

This question can be solved using the following relation:

v = \frac{d}{t}

In which v is the velocity, d is the distance and t is the time.

An express train travels 80km/h from Ironton to Wildwood.

Here we have v = 80, t = x. So

v = \frac{d}{t}

80 = \frac{d}{x}

d = 80x

A local train, traveling at 48km/h, takes 2 hours longer for the same trip.

This means that when v = 48, t = x + 2[tex]. So[tex]v = \frac{d}{t}

48 = \frac{d}{x+2}

Since d = 80x

48 = \frac{80x}{x+2}

Applying cross multiplication

80x = 48(x + 2)

80x = 48x + 96

32x = 96

x = \frac{96}{32}

x = 3

So the distance is:

d = 80x = 80*3 = 240

They are 240 kilometers apart.

3 0
2 years ago
What is an equation of the line that passes through the point (-6, 1) and has a slope of 3?
AlladinOne [14]
Y= mx +b ; x is the slope and y is the y-intercept.

So in this case, our equation will be y= 3x + 19 :) 
8 0
3 years ago
Jermaine draws a triangle with the following dimensions:
Varvara68 [4.7K]
Answers and work is written in the picture. Hope this helps!!

3 0
2 years ago
The coin collection has 60 quarters. This is 25% of the coins. How many coins are in this collection?
maw [93]

Answer:

240

Step-by-step explanation:

If it is 25% then if you multiply by 4 the 25% becomes 100% so you also multiply 60 by 4 and get 240

8 0
3 years ago
KLM is isosceles. Calculate the segment EF from the data in the drawing. <br><br><br> HELP!!
Arte-miy333 [17]

Answer:

4.5 cm

Step-by-step explanation:

KL = LM as triangle is isosceles

LM = KM as LF = FM = KN = NM, so the triangle is equilateral

EF ║ NM as LE⊥EF and LN⊥NM

EF is half the midsegment as ∠KLN ≅ ∠MLN, and LN is angle bisector of ∠KLM

Midsegment is half the side length, and all sides are 18 cm.

EF = 1/2(1/2*18) = 4.5 cm

5 0
3 years ago
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