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3 years ago

Write an equation in Standard Form. A store sells t-shirts for $12 each and

Mathematics

2 answers:

Dmitrij [34]3 years ago

8 0

Standard form: Ax + By = C
Equation: 12x + 15y = 120

vladimir2022 [97]3 years ago

4 0

Answer:

12x + 15y = 120

Step-by-step explanation:

x= t shirts

y= sweatshirts

x+y=total

12x + 15y = 120

(I got this question on a quiz and I got it right!)

I hope this helps!

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Convert x2 + y2 -4x = 0 to polar form.

Bingel [31]

Answer:

$r(r-4\cos \theta)=0$

Step-by-step explanation:

We are given the following equation:

$x^2 + y^2 -4x = 0$

We have to convert it into polar form.

We put

$x = r \cos \theta\\y = r\sin \theta$

Putting values, we get:

$x^2 + y^2 -4x = 0\\(r\cos \theta)^2 + (r\sin \theta)^2 - 4(r\cos \theta) = 0\\r^2(\cos^2 \theta + \sin^2 \theta) - 4r\cos \theta = 0\\r^2 - 4r\cos \theta = 0\\r(r-4\cos \theta)=0$

is the required polar form.

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3 years ago

Find the slope of the line (-3,-2) (1,6)

nlexa [21]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

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

with (x₁, y₁ ) = (- 3, - 2) and (x₂, y₂ ) = (1, 6)

m = $\frac{6-(-2)}{1-(-3)}$ = $\frac{6+2}{1+3}$ = $\frac{8}{4}$ = 2

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3 years ago

Please anwser im having the hardest time on this picture

Free_Kalibri [48]

What you do first is add the books 42 + 85 + 69 which equals 196. Then divide 196 by 7 and you get 28 :)

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3 years ago

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Can someone do this for me?

Amanda [17]

Are theese questions or your answers

if there answers they seem all right

7 0

3 years ago

1/10 + 20/100=<br> 2/3+ 1/4 =<br><br> ANSWERS ASAP!!<br> RIGHT ANSWERS GET AUTOMATIC BRAINLYEST

Bess [88]

Answer:

$\frac{1}{10} + \frac{20}{100} = \frac{10}{100} + \frac{20}{100} = \frac{30}{100}$

$\frac{2}{3} + \frac{1}{4} = \frac{8}{12} + \frac{3}{12} = \frac{11}{12}$

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3 years ago

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