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3 years ago

How would you get the variable alone in the 4y = 3

Mathematics

1 answer:

natulia [17]3 years ago

3 0

Answer:

A: Divide both sides of the equation by 4.

Step-by-step explanation:

If you take the equation:

$4y = 3$

And then divide by 4 on both sides (what you do one side you must do to the other):

$\frac{4y}{4} =\frac{3}{4}$

y is isolated.

$y = \frac{3}{4}$

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Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2 1 inches. She p

Sauron [17]

The expression used for the length of ribbon that she needs for both pillows will be $4(2x^{2} +4x-6)$ .

The total length of the pillow she needs will be 130 inches.

Given,

The side length of pillow is $(2x^2 + 1) \ inches$ .

The side length of another pillow is $4x-7 \ inches$ .

We know that perimeter of square will be,

$P=4\times length$

So the perimeter of pillow will be,

$P=4\times (2x^2+1)\\$

$P=8x^{2} +4$

Similarly, the perimeter of another pillow will be,

$P=4\times (4x-7)$ ]

$P=16x-28$

Hence,the total length of ribbon that she needs for both the pillows will be,

$8x^{2} +4+16x-28\\8x^{2} +16x-24\\4(2x^{2} +4x-6)$

If $x=3.5\\$ then the total length of ribbon will be,

$4(2\times 3.5^{2}+4\times 3.5-6)\\4(2\times 12.25+14-6)\\$

$4(24.5+8)$

$4\times 32.5\\$

$130 \ inches$ .

Thus the required expression will be $4(2x^{2} +4x-6)$ and the total length of ribbon she needs will be 130 inches.

So, the correct option will be (D).

For more details on perimeter of square follow the link:

brainly.com/question/5402168

7 0

2 years ago

9.157 divided by 9.52

Marysya12 [62]

Answer:

0.96186974789, but can be rounded up to 1

7 0

3 years ago

Read 2 more answers

Y=-x/3 -3/2 on a graph

Sladkaya [172]

From the equation the slope is -1/3 and the y-intercept is -3/2. This shows that the intercept must pass through the y-axis at -3/2.

<h3>Equation of a line</h3>

A line is defined as the shortest distance between two points. The formula for finding the equation of a line in slope-intercept form is given as;

y = mx + b

The point sloe form of the equation is given as y-y1 = m(x-x1)

where

m is the slope
b is the intercept
(x1, y1) is any point on the line

Given the equation of graph to plot

y=-x/3 -3/2

From the equation the slope is -1/3 and the y-intercept is -3/2. This shows that the intercept must pass through the y-axis at -3/2.

Learn more on equation of a line here: brainly.com/question/18831322

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1 year ago

A cuboid is thrice as long as it's breadth and is 4 cm high if it's volume is 300cm² find its length and breadth and total area

Mamont248 [21]

Step-by-step explanation:

v=l×b×h

300cm²=4×3x×x

300÷12=x²

x=5

3x=3×5=15

a=15×5

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2 years ago

Ln3+ln9 with a base of 3 simplified

makvit [3.9K]

$\log_3 3 + \log_3 9 \\\\=1 + \log_3 3^2\\\\=1+ 2 \log_3 3 \\\\=1 +2 \\\\=3$

7 0

2 years ago