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Helga [31]
3 years ago
10

The area of a circle is 9π if and only if, its radius is 3. true or false

Mathematics
1 answer:
lukranit [14]3 years ago
3 0
True :) hope this helps
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3. One of the graphs represents
faltersainse [42]

Answer:

3x-2y=6

Step-by-step explanation:

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y=-3+\frac{3x}{2}

Rewrite in slope-intercept form

y=\frac{3}{2} *-3

Use the slope-intercept form to find the slope and y-intercept.

Find the values of m and  b using the form y=mx+b

m=\frac{3}{2}

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The slope of the line is the value of m, and the y-intercept is the value of b.

Slope: \frac{3}{2}

y-intercept: -3

Any line can be graphed using two points. Select two x values, and plug them into the equation to find the corresponding  y values.

Choose 0 to substitute in for x to find the ordered pair.

(0,−3)

Choose 1 to substitute in for x to find the ordered pair.

(1,-\frac{3}{2} )

Graph the line using the slope and the y-intercept, or the points.

slope:\frac{3}{2}

y-intercept:-3

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3 years ago
A sporting goods store pays $180 for a rubber raft. The percent markup is 40%. What is the raft's selling price?
o-na [289]
\$180 \times 1.40 = \$252
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1 Calcium  ion / formula unit times  0.5 moles CaCl2 x 6.02 x 10^23 = 

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