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2 years ago

Brainiest is given to whoever answers right!

Mathematics

1 answer:

Brilliant_brown [7]2 years ago

5 0

Answer:

Step-by-step explanation:

Given inequality is open at - 3 and closed at 4. Therefore the required inequality would be:

$- 3 < x \leqslant 4$

Thus, option B is the correct answer.

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Which equations below represent lines that are perpendicular to the line that contains (1, - 2) and (3,4)^ Select all that apply

Nady [450]

Answer:

Select all the lines with slope $-\frac{1}{3}$ .

Step-by-step explanation:

Use the slopes to help you answer this kind of questions.

The slope of the line going through: (1, - 2) and (3,4) is given by:

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

We plug in the coordinates to get:

$m=\frac{4--2}{3-1}=\frac{6}{2}=3$

All lines that are perpendicular to this line has slope $-\frac{1}{3}$ .

3 0

3 years ago

Can someone plz help me solved this problem! I’m giving you 10 points! I need help plz help me! Will mark you as brainiest!

sergeinik [125]

Answer:

a). 8(x + a)

b). 8(h + 2x)

Step-by-step explanation:

a). Given function is, f(x) = 8x²

For x = a,

f(a) = 8a²

Now substitute these values in the expression,

$\frac{f(x)-f(a)}{x-a}$ = $\frac{8x^2-8a^2}{x-a}$

= $\frac{8(x^2-a^2)}{(x-a)}$

= $\frac{8(x-a)(x+a)}{(x-a)}$

= 8(x + a)

b). $\frac{f(x+h)-f(x)}{h}$ = $\frac{8(x+h)^2-8x^2}{h}$

= $\frac{8(x^2+h^2+2xh)-8x^2}{h}$

= $\frac{8x^2+8h^2+16xh-8x^2}{h}$

= (8h + 16x)

= 8(h + 2x)

4 0

3 years ago

What fraction of 60 is 18

nordsb [41]

10/3

hope this helped

3 0

2 years ago

How do i add 567,890 567,096

marissa [1.9K]

567,890
+567,096
________
1,134,986

3 0

3 years ago

HELP ASAP WILL MARK BRAINLIEST

nydimaria [60]

Answer:

4000 + .06x ≥ 7000

Step-by-step explanation:

8 0

3 years ago