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lbvjy [14]
3 years ago
15

Write this equation in function form show work.9=2x+3

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
3 0

I believe it's -2x=3-9

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The circumference of a circular mat is 13π feet. What is the area, in square feet, of the mat? Express your answer in terms of π
qaws [65]

\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=13\pi \end{cases}\implies 13\pi =2\pi r\implies \cfrac{13\pi }{2\pi }=r\implies \boxed{\cfrac{13}{2}=r} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad \implies A=\pi \left(\cfrac{13}{2} \right)^2\implies A=\pi \left( \cfrac{13^2}{2^2} \right)\implies A=\cfrac{169}{4}\pi

6 0
3 years ago
Solve the inequality <br>4x - 4&gt; x - 16​
Liono4ka [1.6K]

The solution of the given inequality is:

x>-4

Step-by-step explanation:

Given inequality is:

4x-4>x-16

Subtracting x from both sides

4x-4-x>x-x-16\\3x-4>16

Adding 4 on both sides

3x-4+4>-16+4\\3x>-12

Dividing\ both\ sides\ by\ 3

\frac{3x}{3}>\frac{-12}{3}\\x>-4

The solution of the given inequality is:

x>-4

Keywords: Inequality, Variable

Learn more about inequality at:

  • brainly.com/question/3799248
  • brainly.com/question/3950386

#LearnwithBrainly

3 0
3 years ago
Find the equation of a line through the point (-1,4)and parallel to the line whose equation is 2x-y=3
FinnZ [79.3K]

Slope-intercept form:

y = mx + b

"m" is the slope, "b" is the y-intercept (the y value when x = 0 or (0,y))


You can first isolate the "y" in the given equation

2x - y = 3    Subtract 2x on both sides

-y = 3 - 2x     Divide -1 on both sides to get "y" by itself

y = -3 + 2x  or   y = 2x - 3


For lines to be parallel, their slopes have to be the same.


The given line's slope is 2, so the parallel line's slope is also 2.

y= mx + b

y = 2x + b

To find "b", plug in the point (-1,4) into the equation

y = 2x + b

4 = 2(-1) + b

4 = -2 + b     Add 2 on both sides

6 = b


y = 2x + 6

7 0
3 years ago
What is 1/3 of 2/5?
dsp73
Just multiply
(1/3) * (2/5)
= 2/15 or .133333
8 0
3 years ago
Read 2 more answers
A middle school is sponsoring a 5k fun run to raise money for the library. each runner will receive a t-shirt. the t-shirts for
Serhud [2]
29,325 is the answer i got 
4 0
3 years ago
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