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Tomtit [17]
4 years ago
7

The perimeter of a triangle is 25 feet.

Mathematics
1 answer:
shutvik [7]4 years ago
3 0

25 = 5.2 + 8 + x

5.2 + 8 = 13.2

25 = 13.2 + x

25 - 13.2 = 11.8

11.8 = x

The unknown side is 11.8 ft.

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A line passes through the points (7, 10) and (7, 20). Which statement is true about the line? It has a slope of zero because x 2
yaroslaw [1]

Answer:

It has no slope because x 2 minus x 1 in the formula m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction is zero, and the denominator of a fraction cannot be zero.

Step-by-step explanation:

Points:

  • (7, 10) and (7, 20)

Slope-intercept form:

  • y= mx+b

slope is:

  • m= (y2-y1)/(x2-x1)= (20-10)/(7-7)= 10/0,

denominator of the fraction is zero, we can't divide by zero, so this line has no slope

----------

It has a slope of zero because x 2 minus x 1 in the formula m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction is zero, and the numerator of a fraction cannot be zero.

  • no, numerator is not zero

It has a slope of zero because x 2 minus x 1 in the formula m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction is zero, and the denominator of a fraction cannot be zero.

  • no, it has no slope

It has no slope because x 2 minus x 1 in the formula m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction is zero, and the numerator of a fraction cannot be zero.

  • no, numerator is not zero

It has no slope because x 2 minus x 1 in the formula m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction is zero, and the denominator of a fraction cannot be zero.

  • yes
3 0
3 years ago
Read 2 more answers
Mathew is watching a car race on TV. His favorite car covered 10 laps of 3.6 miles each in 18 minutes. What is average speed of
Karo-lina-s [1.5K]
In the given question, all the necessary information's are already provided. Using these information's it is easy to find the average speed of the car in miles per hour. It is given that the car covers 10 laps in 18 minutes and each lap is 3.6 miles in length.
Total distance covered by the car = (10 * 3.6) miles
                                                     = 36 miles
Now we have to convert the time from minutes to hours. So
18 minutes = 18/60 hours
                   = 3/10 hours
Now we can easily calculate the average speed of the favorite car of Mathew.
Average Speed = 36 * (10/3) miles/hour
                           = 120 miles/ hour

8 0
3 years ago
Which of the following is an arithmetic sequence?<br> 00.2.4.6.<br> 01.24.8.<br> 0 1.4.8. 13....
Ahat [919]

Answer:

(A.) 00,2,4,6

Step-by-step explanation:

00+2=2

2+2=4

2+4=6

Each number is added by the same number, 2, so this is the arithmetic sequence.

6 0
3 years ago
Brent has two barcode printing machines. Each machine can print 25 barcodes per minute. On day 1, only the first machine was use
Sonja [21]
I think it would be 95 + 25x + 25y
8 0
3 years ago
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Given a graph for the transformation of f(x)=f(kx), determine the k value
jarptica [38.1K]

Answer:

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Step-by-step explanation:

Compare any two points on same horizontal line.

<u>The easy one is:</u>

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<u>Since g(x) = f(kx), substitute the x- coordinates to find the value of k:</u>

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  • k = - 1/ - 3
  • k = 1/3

Correct choice is B

4 0
3 years ago
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