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olga_2 [115]
3 years ago
7

please help me with this IXL i only have an hour like i said on my last question and please tell me how to get the answer so i c

an do the IXL on my own plz!

Mathematics
2 answers:
damaskus [11]3 years ago
3 0
It is y=2x-6. Anymore questions?
EleoNora [17]3 years ago
3 0

Answer:

y=2x-6

Step-by-step explanation:

The slope of a line shows the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points.

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Help please!! i need to find the value of x
Wewaii [24]
You have to subtract the degrees like in this picture:

7 0
2 years ago
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Choose the missing step in the given solution to the inequality −6x − 10 > 14 + 2x. −6x − 10 > 14 + 2x _______________ −8x
Vanyuwa [196]

-6x - 10 > 14 + 2x

<u>-2x       </u>    <u>    -2x  </u>

-8x  - 10 >  14               THIS IS THE MISSING STEP

<u>       +10</u>    <u>+10  </u>

-8x       > 24

\frac{-8x}{-8}       \frac{24}{-8}

  x       < -3

Answer: x < -3

8 0
2 years ago
What is the slope of the line y=2x+5?​
sweet [91]
Answer:

The slope is 2

Explanation:

The equation is written in y=mx+b
M would always be the slope and b the y intercept

Hope this helps!!
4 0
2 years ago
Read 2 more answers
Could somebody help me with Geometry? THANKS!!!!!!!!!!!!!!!!!!!!!
Vedmedyk [2.9K]

I'll do problem 1 to get you started.

The answer to problem 1 is <u>3400 miles</u>

============================================================

Explanation for problem 1:

We're asked to find the perimeter, which is the total distance around the exterior or outside. In other words, we need to add up the four side lengths of this quadrilateral.

We'll need the distance formula to find the lengths of the slanted sides AB and BC

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

Let's first find the length of segment AB

A = (x1,y1) = (0,0)

B = (x2,y2) = (400,300)

d = Length of AB

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(0-400)^2 + (0-300)^2}\\\\d = \sqrt{(-400)^2 + (-300)^2}\\\\d = \sqrt{160000 + 90000}\\\\d = \sqrt{250000}\\\\d = 500\\\\

The distance from A to B is 500 miles. This is the same as saying segment AB is 500 miles long.

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

Now find the length of segment BC

B = (x1,y1) = (400,300)

C = (x2,y2) = (-800,800)

d = length of BC

d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(400-(-800))^2 + (300-800)^2}\\\\d = \sqrt{(400+800)^2 + (300-800)^2}\\\\d = \sqrt{(1200)^2 + (-500)^2}\\\\d = \sqrt{1440000 + 250000}\\\\d = \sqrt{1690000}\\\\d = 1300\\\\

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

The length of CD is fairly easy to find without needing the distance formula. This is because it is a vertical line. We subtract the y coordinates of C and D to get 800-0 = 800. So CD is 800 miles long.

Segment DA is a similar story. But we subtract the x coordinates. This only works for horizontal lines. DA is 800 miles long because |-800-0| = 800. Absolute value is used to make sure the distance is never negative.

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

To summarize everything so far, we found these four side lengths

  • AB = 500
  • BC = 1300
  • CD = 800
  • DA = 800

The perimeter is going to be the sum of those four sides, leading to...

perimeter = sum of sides

perimeter = AB+BC+CD+DA

perimeter = 500+1300+800+800

perimeter = 3400 miles

This is the total distance traveled if you started at city A, went to B, then to C, then to D, and then finally went back to A.

5 0
3 years ago
Read 2 more answers
A convenience store sells a coffee mug that comes
madreJ [45]

Answer:

The cost of the mug is of $6.50.

Step-by-step explanation:

The cost of the mug and r refills is given by the following equation:

C(r) = 2.3r + 6.5

Cost of the mug:

The cost of the mug is found when no refills are bought, that is, C when r = 0, which is C(0)

C(0) = 2.3*0 + 6.5 = 6.5

The cost of the mug is of $6.50.

7 0
3 years ago
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