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lesya692 [45]
3 years ago
6

-1/5t-2=4 please help asap

Mathematics
2 answers:
IgorLugansk [536]3 years ago
8 0

Answer:

-1.2

Step-by-step explanation:

-1/5t=4+2

-1/5t=6

     t=6/(-1/5)

     t=6x(-1/5)

     t=-1.2

Nutka1998 [239]3 years ago
5 0

Answer:

t=-30

Step-by-step explanation:

okay i helped you now how help a girl out and shoot me a brainiest if ya will?:)

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How do we create a table of values to help us graph linear equations?​
VashaNatasha [74]

Let's say for example you wanted to graph the linear equation y = 2x+5

At minimum, we'll need 2 points to form this line.

To get any point of the form (x,y), we plug in a number for x to find a corresponding number for y.

For example, replace x with 0 to find that...

y = 2x+5\\\\y = 2(0)+5\\\\y = 0+5\\\\y = 5\\\\

Therefore, x = 0 leads to y = 5. So the point (0,5) is on the line.

Then we repeat this process for other x values. Let's try x = 1

y = 2x+5\\\\y = 2(1)+5\\\\y = 2+5\\\\y = 7\\\\

Telling us that (1,7) is also on this line. We have enough to graph this equation. Plot the two points (0,5) and (1,7). Then draw a straight line through them. Extend this line as far as you can to the left and right. The graph is shown below.

We can keep going to get other points like (2,9) and (3,11) and (4,13) and so on. A table is a way to keep track of the xy values.

\begin{array}{|c|c|}\cline{1-2}\text{x} & \text{y}\\ \cline{1-2}0 & 5\\ \cline{1-2}1 & 7\\ \cline{1-2}2 & 9\\ \cline{1-2}3 & 11\\ \cline{1-2}4 & 13\\ \cline{1-2}\end{array}

Each time x goes up by 1, y goes up by 2. This directly ties to the slope of 2/1 = 2.

6 0
3 years ago
The length of a rectangle is 10 more than the width. If the
kotegsom [21]

Answer:

Dimensions : L = 12 inches, Width = 2 inches

Step-by-step explanation:

Let width be w

Let length be w + 10

Area = length x width

24 = w x (w + 10)

24 = w^2 + 10w\\\\w^2 + 10w - 24 = 0\\\\w^2 +12w -2w -24 = 0\\\\w(w+12) -2(w+12) = 0\\(w-2)(w+12)=0 \\w = 2 , -12

Since width is a side of a rectangle , it cannot be negative. so w = 2 inches .

Therefore , length = w + 10 = 12inches

5 0
3 years ago
Classify the system of equations -1/2x=3-y -7+y=1/2x-2
miskamm [114]

Answer: Inconsistent.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Solve for "y" in each equation:

<em>Equation 1</em>

-\frac{1}{2}x=3-y\\\\y=\frac{1}{2}x+3

<em>Equation 2</em>

<em> -7+y=\frac{1}{2}x-2\\\\y=\frac{1}{2}x-2+7\\\\y=\frac{1}{2}x+5</em>

<em> </em>

You can notice that the slope of the <em>Equation 1 </em>is:

m_1=\frac{1}{2}

And the slope of the <em>Equation 2 </em>is:

m_2=\frac{1}{2}

Observev that m_1=m_2, then you can conclude that the lines are parallel and the System of equations has No solution.

When there is no solution the classification  of the system of equations is: "Inconsistent".

<em> </em>

5 0
4 years ago
Due in 20 mins help pls
kodGreya [7K]

Answer: ....

P/s:

  • 2 × 3/12 = 3 × 2/12 = 6 × 1/12 (= 1/2)
  • 4 × 3/12 = 1

ok done. Thank to me :>

6 0
3 years ago
A triangle has a perimeter of 91 cm. If the three sides of the triangle are n,4n - 2 and 5n - 7 what is the length of each side
sdas [7]

Answer:

10,38,43

Step-by-step explanation:

n+4n-2+5n-7=91

10n=91+2+7

10n=100

n=10

4(10)-2=38

5(10)-7=43

if anything is unclear, ask freely.

5 0
3 years ago
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