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3 years ago

Find the unknown value 18 is 50% of

1 answer:

6 0

Question : 18 is 50% of what number?

Answer : 36.

How : well if you multiply 18 times 2 the answer is 36. Since 18 is half of 36, being 50%

-procklown

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Can some one help me factor 6x^2+4x-10

Fudgin [204]

2(3x + 5) (x - 1)

This is done through factoring 2 out of the equation first...

2(3x^2 + 2x -5)

And then cross multiplying it

3 0

3 years ago

A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected and x is u

svlad2 [7]

Answer:

z(195) = (195-200)/50 = -0.1

z(205) = (205-200)/50 = +0.1

P(195 < x < 205) = p(-0.1 < z < 0.1) = 0.0797

Step-by-step explanation:

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2 years ago

Plz help me this question plz plz help plz help me all four of them plzzzz

garik1379 [7]

Answer:

10) The equation of a line parallel to $y=-3$ passing through the coordinate (2,6) is $y=6$

11) The equation of a line perpendicular to $y=-3$ passing through the coordinate (2,6) is $x=6$

12) The equation of a line parallel to $x=4$ passing through the coordinate (-2,3) is $x=-2$

13) The equation of a line perpendicular to $x=4$ passing through the coordinate (-2,3) is $y=3$

Step-by-step explanation:

For any line parallel to X-axis the equation we have

$y=a$

where a is the y coordinate.

∴ The equation of a line parallel to $y=-3$ passing through the coordinate (2,6) is $y=6$

For any line parallel to Y-axis the equation we have

$x=b$

Where b is the x coordinate.

∴ The equation of a line parallel to $x=4$ passing through the coordinate (-2,3) is $x=-2$

For any line perpendicular to X-axis is parallel to Y axis therefore the equation we have

$x=b$

∴ The equation of a line perpendicular to $y=-3$ passing through the coordinate (2,6) is $x=6$

For any line perpendicular to Y-axis is parallel to X axis therefore the equation we have

$y=a$

∴ The equation of a line perpendicular to $x=4$ passing through the coordinate (-2,3) is $y=3$

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2 years ago

HI PLS HELP

Reptile [31]

Answer:

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Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Rewrite the following equation in slope-intercept form. y +3 = 1/4 (x − 4 )

Natali5045456 [20]

Answer:

y = 1/4x - 4

Step-by-step explanation:

$y + 3 =1/4(x - 4)\\y + 3 = 1/4x - 1\\y = 1/4x - 4$

8 0

2 years ago