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3 years ago

HELP ME PLEASEE I WILL MARK BRAINLIEST

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

7 0

Answer: $21.6

Step-by-step explanation: you multiply 1.20 by 18

suter [353]3 years ago

7 0

Answer:

The answer is $3.60.

Step-by-step explanation:

Since they just multiplied the minutes by 3, you could just do the same with the money.

Hopefully, that helped!! :)

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Graph the linear equation and answer each of the following questions. y=-2x-3 (A)What is the y-intercept?

balandron [24]

A) The Y-intercept of this equation is 3

B) The slope of this equation is 2

C) This equation has a positive slope

D) Starting from the Y-intercept, I simply went over to the right 1 box, and up 2 boxes

I hope this helps!

5 0

2 years ago

Solve the Equation <br> 2x-3=14<br> -x+3y=-6

andriy [413]

Step-by-step explanation:

If you lost "y" in the first equation.

$\underline{+\left\{\begin{array}{ccc}2x-3y=14\\-x+3y=-6\end{array}\right}\qquad\text{add both sides of the equations}\\\\.\qquad x=8\\\\\text{Put the value of x to the first equation:}\\\\2(8)-3y=14\\16-3y=14\qquad\text{subtract 16 from both sides}\\-3y=-2\qquad\text{divide both sides by (-3)}\\y=\dfrac{2}{3}\\\boxed{x=8,\ y=\dfrac{2}{3}}$

If first equation is correct.

$2x-3=14\qquad\text{add 3 to both sides}\\2x=17\qquad\text{divide both sides by 2}\\x=8.5\\\\\text{Put the value of x to the second equation:}\\-8.5+3y=-6\qquad\text{add 8.5 to both sides}\\3y=2.5\qquad\text{divide both sides by 3}\\y=\dfrac{2.5}{3}\\y=\dfrac{25}{30}\\y=\dfrac{5}{6}\\\\\boxed{x=8.5,\ y=\dfrac{5}{6}}$

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2 years ago

5/15 = n/9 someone help me (proportions)

goblinko [34]

Answer:

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

What is the value of x?

Talja [164]

Use the Pythagorean theorem. The Pythagorean Theorem uses the following formula:

$a^{2} + b^{2} = c^{2}$

Plug in the known values into the equation:

$a = 6, c = 10$

$6^{2} + b^{2} = 10^{2}$

$36 + b^{2} = 100$

Subtract both sides by 36.

$b^{2} = 64$

Square root both sides to get b by itself.

$\sqrt{64} = 8$

$b = 8$

The value of x is 8.

7 0

3 years ago

Read 2 more answers

Write the numbers in order from least to greatest

spayn [35]

C.) -4, -7/5, 1/6, 1.6, $\sqrt{6}$

$\sqrt{6}$ = 2.45

1.6

1/6 = 0.167

-7/5 = -1.4

-4

4 0

3 years ago