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3 years ago

Find the perimeter od a rectangular frame with sides of 4x -1 and 6x+5

Mathematics

1 answer:

Keith_Richards [23]3 years ago

7 0

Answer:

20x+8

Step-by-step explanation:

in a rectangle, the sides opposite from each other are equal, and finding the perimeter means you going to add all the sides together

therefore we have

4x-1+4x-1+6x+5+6x+5=20x+8

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If it takes Tim 20 minutes to bike 6 miles, how many minutes will it take him to bike 144 miles?

kari74 [83]

Answer:

144/6 = 24

24 x 20 = 480

480 is the answer

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Mary Watson gets a job as a waitress, at the Daily Grind. She earns $5.25 an hour plus tips. If tips are about 15% of the meal a

valina [46]

Answer:

$109,9455

Step-by-step explanation:

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Y=−32x+4and y=23x−7

zavuch27 [327]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=-\frac{12}{5},\:x=\frac{1}{5}$

Step-by-step explanation:

Given the equations

$y=-32x+4;\:y=23x-7$

solving the system of the equations

$\begin{bmatrix}y=-32x+4\\ y=23x-7\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}y+32x=4\\ y-23x=-7\end{bmatrix}$

$y-23x=-7$

$-$

$\underline{y+32x=4}$

$-55x=-11$

$\begin{bmatrix}y+32x=4\\ -55x=-11\end{bmatrix}$

$-55x=-11$

$\frac{-55x}{-55}=\frac{-11}{-55}$

$x=\frac{1}{5}$

$\mathrm{For\:}y+32x=4\mathrm{\:plug\:in\:}x=\frac{1}{5}$

$y+32\cdot \frac{1}{5}=4$

$\mathrm{Subtract\:}32\frac{1}{5}\mathrm{\:from\:both\:sides}$

$y+32\cdot \frac{1}{5}-32\cdot \frac{1}{5}=4-32\cdot \frac{1}{5}$

$y=-\frac{12}{5}$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$y=-\frac{12}{5},\:x=\frac{1}{5}$

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3 years ago

If the gas station is selling 5 bottles of water for $10, what is the unit price of each bottle of water?

enot [183]

It would be 2$ for one bottle

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3 years ago

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Which is the equation of the given line in standard form (4, 3) (4, -2)

lora16 [44]

<h3>The equation of the given line in standard form (4, 3) (4, -2) is x - 4 = 0</h3>

Solution:

Given points are:

(4, 3) (4, -2)

Let us first find the slope of line

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

From given,

$(x_1, y_1) = (4, 3)\\\\(x_2, y_2) = (4, -2)$

Substituting the values we get,

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

slope is undefined

This means that, line is perfectly vertical, and has an infinite (or undefined) slope

Therefore, equation of line is: x = 4

In standard form, we get, x - 4 = 0

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3 years ago