What times what makes 23

Mathematics

1 answer:

TiliK225 [7]3 years ago

5 0

8 times 3 equals 23 and that is one of the answers

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6.2 poiThe width of a rectangle is 4 less than half thelength. If l represents the length, which equationcould be used to find t

Vilka [71]

We are told that l is the length of the rectangle. We are told that the widht is 4 less than half the lenght. So, first, we calculate the half of l, which would be

$\frac{l}{2}$

the part that says "4 less than" means that we should subtract 4 from the half of length. So we get

$\frac{l}{2}-4$

now, this expression should be equal to the width , that we'll note as w. So we end up with the equation

$w=\frac{l}{2}-4$

8 0

1 year ago

A line contains the points (3,9) and (-1,1) what is the equation of the line?

kirza4 [7]

To find the equation of a line using two given set of points, you must first find slope. To do so, we must use the slope formula:
y2 - y1 / x2 - x1

In this case:
1 - 9 / -1 - 3 = -8 / -4
- 8 / -4 = 2 (simplified)

Now we can use the point-slope formula:
y - y1 = m(x - x1)

y - 1 = 2(x + 1 )
y - 1 = 2x + 2
y = 2x + 3

In order to make 3x - y = 6 in slope intercept form, we must isolate y.

- y = -3x + 6
Note: y cannot be negative, so we'll multiply both sides by -1
( -1 ) - y = - 3x + 6 ( -1 ) = y = 3x -6

6 0

4 years ago

Read 2 more answers

7. Which of the following can be determined from the graph below?

tatyana61 [14]

Answer:

The ordered pair (6,25) is a solution to both

$y=-\frac{5}{2}x+40$ and $y=\frac{5}{3}x+15$