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Lina20 [59]
3 years ago
13

An electronics store advertised a 19-inch model tv

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0

Answer:

oooh really............

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What is<br> The equation of the line that passes through the points (5,-1) and (4,-5)
Murljashka [212]

For this case we have that by definition, the equation of the line in the slope-intersection form is given by:

y = mx + b

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis

We have two points through which the line passes:

(x_ {1}, y_ {1}) :( 5, -1)\\(x_ {2}, y_ {2}) :( 4, -5)

We found the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {-5 - (- 1)} {4-5} = \frac {-5+ 1} {- 1} = \frac {-4} {- 1} = 4

Thus, the equation is of the form:

y = 4x + b

We substitute one of the points and find b:

(x,y):(5,-1)\\-1=4(5)+b\\-1=20+b\\-1-20=b\\b=-21

Finally, the equation is:

y = 4x-21

Answer:

y = 4x-21

4 0
3 years ago
The wheels ona bike have a diameter of 26 inches. How many full revolutions will the wheels need to make to travel 100 feet?
kirill115 [55]

Answer:

82 revolutions    Step-by-step explanation:

One revolution will be the circumference of the tire, so multiply pi (3.1416) times the diameter (26 in.) to get 81.68 in. then round it up to 82.

7 0
3 years ago
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I need help with this question <br><br><br><br> PLEASE HELP!!
statuscvo [17]

Answer: 7 inches

Step-by-step explanation: look at the base that is 7inches

6 0
4 years ago
How can one third x − 2 = one fourth x + 11 be set up as a system of equations?
timurjin [86]

Answer: (x-2) = (x+11)

------- -------

3 4

Step-by-step explanation:

First part is x-2 divided by on third. So the x-2 acts a the 1 so you put x-2 over 3. And you get:

(x-2)

--------

3

For the other side of the equation it is x +11 divide by 1/4. So the x+11 will act a the 1 in the fraction. And you will get:

(x+11)

--------

4

4 0
3 years ago
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. Question 1.1. What is the first step in solving x2 + 2x + 3 = 0 by completing the square?. (Points : 1). Factor the left side.
Assoli18 [71]
U r going to subtract 3 from each side of the equation....leaving you with :
x^2 + 2x = -3
6 0
4 years ago
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