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3 years ago

Graph the inequality below on the number line.

Mathematics

2 answers:

makkiz [27]3 years ago

5 0

Put an open circle on -9 then make a line towards the left.

marshall27 [118]3 years ago

3 0

Answer:

You start at -9

-Open circle

-shade towards the right (where all the positive numbers are)

Open circle - ones that don't have a greater than or equal to. If it does then it's a closed one.

Shade towards the right cause y is less than 9

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A line passes through the points (2,4) and (5,6) .

Alenkinab [10]

Answer:

Option B and D are correct.

Step-by-step explanation:

Given: A line passes through the points (2,4) and (5,6).

* Case 1:

If a line passes through the points (2, 4) and (5, 6)

Point slope intercept form:

for any two points $(x_1,y_1)$ and $(x_2, y_2)$

then the general form $y -y_1=m(x-x_1)$ for linear equations where m is the slope given by:

$m =\frac{y_2-y_1}{x_2-x_1}$

First calculate slope for the points (2, 4) and (5, 6);

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{6-4}{5-2} = \frac{2}{3}$

then, by point slope intercept form;

$y-4=\frac{2}{3}(x-2)$

* Case 2:

If a line passes through the points (5, 6) and (2, 4)

First calculate slope for the points (5, 6) and (2, 4);

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{4-6}{2-5} = \frac{-2}{-3}= \frac{2}{3}$

then, by point slope intercept form;

$y-6=\frac{2}{3}(x-5)$

Yes, the only equation of line from the given options which describes the given line are;

$y-4=\frac{2}{3}(x-2)$ and $y-6=\frac{2}{3}(x-5)$

8 0

4 years ago

Tim's mother is 32 years old. she is 4 times as old as tim. what equation could be used to find tim's age

bija089 [108]

32= 4x

That would be the equation and x would then be 8
hope this helps

6 0

3 years ago

4 = 32x

inn [45]

Answer:

x=0.125

Step-by-step explanation:

4/32=0.125

4 0

3 years ago

Factor the expression.<br> 3x2 + 14x-5

Irina18 [472]

Answer:

(3x-1)(x+5)

Step-by-step explanation:

Find two numbers that when they multiply, you get the third term,

which is -5 in this problem. And when they add up, you get the second term,

which is 14 in this problem.

8 0

4 years ago

Diana can use the equation y = 7x to calculate her pay, where y represents the amount of pay, and x represents the number of hou

kherson [118]

You have to take the amount of money payed, which in this case is 45.50, and divide it with 7.

8 0

4 years ago

Read 2 more answers