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3 years ago

9

PLEASE ANSWER QUICKLY: All help is appreciated

1 answer:

OLEGan [10]3 years ago

3 0

The 1st question: 2nd one
2nd: 3rd one
3rd: 1st one

HOPE THIS HELPED!!!!!
~SOPHIA~

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Use a division ladder to find the gcf of 20 and 50.

Usimov [2.4K]

Gcf refers to a digit which can divide both numbers without a remainder
20|50 is divisible by 2 to become 10|25 and then divisible by 5 to become 2|5
=2×5
Gcf= 10

5 0

3 years ago

Tell which equation you use to solve for one of the variables when solving the system by substitution: 2x + 3y = 5 or 4x - y =3

mixas84 [53]

You can using any equation you want to solve for one of the variables. For instance, if you want to solve for x you turn one of the equations so y is by its self
<span>
2x + 3y = 5
4x - y =3

I am going to use </span>4x - y =3
-y = -4x + 3
y = 4x -3
Now you can substitute 4x - 3 for y in 2x + 3y = 5 and solve for x
2x + 3y = 5
2x + 3(4x - 3) = 5

8 0

3 years ago

Carl drew the line of best fit on the scatter plot shown below: A graph is shown with scale along x axis from 0 to 10 at increme

Fynjy0 [20]

Option B: $y=\frac{7}{5} x+1$ is the line of best fit in slope - intercept form

Explanation:

It is given that the straight line joins the ordered pairs $(0,1)$ and $(10,15)$

We need to determine the line of best fit in slope - intercept form.

The equation of the line of best fit in slope - intercept form is given by

$y=mx+b$

where m is the slope and b is the y - intercept

The slope can be determined by substituting the points $(0,1)$ and $(10,15)$ in the formula,

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$m=\frac{15-1}{10-0}$

$m=\frac{14}{10}$

$m=\frac{7}{5}$

Thus, the slope is $m=\frac{7}{5}$

The y - intercept is the value of y when the value of the x - coordinate is zero.

Thus, from the ordered pair $(0,1)$ , the y -intercept of the graph is $b=1$

Substituting the slope and the y - intercept in the equation $y=mx+b$ , we get,

$y=\frac{7}{5} x+1$

Thus, the equation of line of best fit in slope - intercept form is $y=\frac{7}{5} x+1$

Hence, Option B is the correct answer.

6 0

3 years ago

PLEASE PLEASE HELP WILL MARK BRAINLIEST

Rama09 [41]

Answer:

The answer is

$\huge y = 3x + 21$

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

$y - y_1 = m(x - x_1)$

where

m is the slope

( x1 , y1) is the point

From the question the point is (−5, 6) and slope = 3

The equation of the line is

$y - 6 = 3(x + 5) \\ y - 6 = 3x + 15 \\ y = 3x + 15 + 6$

We have the final answer as

$y = 3x + 21$

Hope this helps you

4 0

3 years ago

Read 2 more answers

Can someone help me... 2(X - 12) = 10

melomori [17]

Answer:

It's super duper easy

Step-by-step explanation:

2(X - 12) = 10

2x-24=10

2x=34

x=17

....

7 0

3 years ago

Read 2 more answers