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3 years ago

Solve. 5 (4 - x) = 20 - 5x

Mathematics

2 answers:

julia-pushkina [17]3 years ago

4 0

$20 - 5x = 20 - 5x \\ 0$
I think this help, i'm not sure

Doss [256]3 years ago

3 0

First you would want to distribute the 5 into the parentheses
20-5x=20-5x

Then you will see that this statement is true
The statement is true since both sides are identical

Hope this helps! :3

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3 years ago

Simplest form of 502 over 63

Alekssandra [29.7K]

502 and 63 have no common factors:

Factors of 63: 1, 3, 7, 9, 21, 63
Factors of 502: 1, 2, 251, 502

Therefore the simplest form of 502/63 is 502/63

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3 years ago

Write the equation of the line that passes through the point (3,4) and is perpendicular to the line y=-2x-4.

natita [175]

Answer:

y = $\frac{1}{2}$ x + $\frac{5}{2}$

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 2x - 4 ← is in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

$m_{perpendicular}$ = - $\frac{1}{m}$ = - $\frac{1}{-2}$ = $\frac{1}{2}$ , thus

y = $\frac{1}{2}$ x + c ← is the partial equation

To find c substitute (3, 4) into the partial equation

4 = $\frac{3}{2}$ + c ⇒ c = 4 - $\frac{3}{2}$ = $\frac{5}{2}$

y = $\frac{1}{2}$ x + $\frac{5}{2}$ ← equation of line

3 0

3 years ago

On a road, a bike sign in the shape of an isosceles trapezoid is to be painted. The sign and its dimensions are shown below. Wha

Bingel [31]

Answer:

D. 32 ft^2

Step-by-step explanation:

You find the mean of the two bases 7+9= 16 16/2=8 Then multiply 8 by 4 to get 32 ft ^2

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2 years ago

Read 2 more answers

Solve and graph the absolute value inequality |4x+1|<_5

Elena-2011 [213]

$|4x+1|\leq5\\ 4x+1\leq5 \wedge 4x+1\geq-5\\ 4x\leq 4 \wedge 4x\geq -6\\ x\leq 1 \wedge x\geq-\dfrac{3}{2}\\ x\in\left \langle -\dfrac{3}{2},1\right\rangle$

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3 years ago