3 years ago

State the postulate or theorem that allows you to conclude that a II b. (This is geometry)

1 answer:

7 0

Converse Perpendicular Transversal Theorem.
If two lines are perpendicular to the same line, then the lines are parallel.

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Find the value of k for x^2 - 2kx+7k -12=0 so that they have two equal roots

Alisiya [41]

Step-by-step explanation:

x^2 -2kx +7k -12 = 0

two equal roots -->Δ = b^2 -4ac = 4k^2 - 4(7k-12)=0 = 4(k^2 - 7k +12)=4(k-4)(k-3)=0

so k =3 and k =4

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3 years ago

Put the following equation in slope-intercept form: 4y=4x+8

Sloan [31]

Answer:

y = x +2

Step-by-step explanation:

4y=4x+8

Slope intercept form is

y = mx+b so we need to solve for y

Divide each side by 4

4y/4 = 4x/4 +8/4

y = x +2

The slope is 1 and the y intercept is 2

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3 years ago

You have driving lessons every third day in swimming lessons every fifth day today you have both classes how many days will you

hjlf

To find the answer, you need to find the LCM of 3 and 5. It's 15, meaning that every 15 days, you will have both lessons on the same day. Have an awesome day! :)

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3 years ago

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Fittoniya [83]

You may recall that you can't take the square root of a negative number (if you want a real number). So, the area under the square root, also known as the radicand, must be zero or positive. This is how we restrict the domain.

We write the inequality
$x+6 \geq 0 \\ \\ \\ x \geq -6$ .

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3 years ago

how do you solve for a in : a/9 = -4 ? I would really appreciate it if you guys could explain how you got the answer

tigry1 [53]

Look at it step by step guys:a\9=-4 so u just cross in top and bottom that will be -36=a ,or a=-36.....

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3 years ago