3 years ago

What is 2/3-1/2 step by step

1 answer:

7 0

2 / 3 - 1 / 2 =

find the LCD ( 3 * 2 ) = 6

2 .2 / 6 - 3 / 6 =

2.2 - 3 / 6 =

4 - 3 / 6 =

1 / 6

hope this helps!

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Write in slope-intercept form an equation of the line that passes through the points (−1,12) and (1,2).

zzz [600]

Answer:

$y=-5x+7$

Step-by-step explanation:

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

the points (−1,12) and (1,2)

substitute

$m=\frac{2-12}{1+1}$

$m=\frac{-10}{2}$

$m=-5$

step 2

we know that

The equation of the line in slope intercept form is equl to

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$m=-5$

$point\ (1,2)$

substitute in the linear equation and solve for b

$2=-5(1)+b$

$b=2+5=7$

therefore

$y=-5x+7$

4 0

2 years ago

Which expression is equivalent to -8? A=-2^-3 B=(-1/2)^-3 C=(1/2)^-3 D=2^-3

sladkih [1.3K]

Answer:

The answer is option B.

Step-by-step explanation:

$( - \frac{1}{2} ) ^{ - 3} = ( - 2) ^{3} = - 8$

Hope this helps you

4 0

3 years ago

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What is the diameter of the circle whose center is at (6,0) and passes through the point (2,-3)

Aleksandr [31]

Answer: 10 units

Step-by-step explanation:

Use the distance formula(√(x1-x2)^2+(y2-y1)^2)

$\sqrt{(6-2)^2+(0-(-3))^2} \\\\\sqrt{4^2+3^2}\\\\\sqrt{16+9}\\ \\\sqrt{25}\\ \\5$

Thus, the radius of the circle is 5. Because the diameter is 2r, the diameter = 2(5) = 10

Hope it helps <3

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2 years ago

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Do these pair of ratios form a proportion 4/3 and 16/12

VMariaS [17]

Yes they do.
16/12 and 4/3 forms of proportion
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7 0

3 years ago

Find two solutions to y=4x+3 use x=0 and x=4

Crazy boy [7]

(for x=0) 3 & (for x=4) 19

4 0

3 years ago

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