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3 years ago

15

What is 3x-4y=4 using substitution method

1 answer:

andreev551 [17]3 years ago

6 0

Answer:

y=3x/4 - 1

Step-by-step explanation:

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Yes there is enough ribbon for a bow

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3 years ago

A rabbit hopped 1.5 ft as a mouse scurried 18 inches. What is the difference in the distance the two animals traveled? Give your

tino4ka555 [31]

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1.5 ft = 18 inches

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3 years ago

Read 2 more answers

If x - 1 upon x = 2 then find the value of x + 1 upon x<br>please answer

stepladder [879]

X-1/x= 2
x-1=2x
x-2x=1
-x=1
x=-1

x+1/x
-1+1/-1
0/-1
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5 0

3 years ago

What is the result of a dilation of scale factor 3 centered at the origin of the line 2y + 3x=10?? PLEASE HELP PLEASEEEEEEEEE

maks197457 [2]

Given:

The equation of a line is:

$2y+3x=10$

The line is dilated by factor 3.

To find:

The result of dilation.

Solution:

The equation of a line is:

$2y+3x=10$

For $x=0$ ,

$2y+3(0)=10$

$2y+0=10$

$y=\dfrac{10}{2}$

$y=5$

For $x=2$ ,

$2y+3(2)=10$

$2y+6=10$

$2y=10-6$

$2y=4$

Divide both sides by 2.

$y=\dfrac{4}{2}$

$y=2$

The given line passes through the two points A(0,5) and B(2,2).

If the line dilated by factor 3 with origin as center of dilation, then

$(x,y)\to (3x,3y)$

Using this rule, we get

$A(0,5)\to A'(3(0),3(5))$

$A(0,5)\to A'(0,15)$

Similarly,

$B(2,2)\to B'(3(2),3(2))$

$B(2,2)\to B'(6,6)$

The dilated line passes through the points A'(0,15) and B'(6,6). So, the equation of dilated line is:

$y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)$

$y-15=\dfrac{6-15}{6-0}(x-0)$

$y-15=\dfrac{-9}{6}(x)$

$y-15=\dfrac{-3}{2}x$

Multiply both sides by 2.

$2(y-15)=-3x$

$2y-30=-3x$

$2y+3x=30$

Therefore, the equation of the line after the dilation is $2y+3x=30$ .

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2 years ago

The length of a rectangle is twice its width.

Anna11 [10]

Answer:

vvvIf the perimeter of the rectangle is 60 in, find its area.

Step-by-step explanation:

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3 years ago