4 years ago

The slope of a line is 2/3. What is the slope of a line that is perpendicular to this line?

Mathematics

1 answer:

yarga [219]4 years ago

7 0

A) - 3/2

Hope this helps!

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Solve quadratic equation 10x^2+x-2=0

zhuklara [117]

Answer:

$\{-\frac{1}{2} \} \cup \{\frac{2}{5}\}$

Step-by-step explanation:

$10x^2 + x - 2 = 0; \\ a = 10, b = 1, c = -2; \\ D = b^2 - 4ac = 1^2 - 4 * 10 * (-2) = 1 + 80 = 81 = 9^2, > 0; \\ x_{1, 2} = \frac{-b \pm \sqrt{D}}{2a} = \frac{-1 \pm \sqrt{9^2}}{2 * 10} = \frac{-1 \pm 9}{20} = \left \ [ {{\frac{-1 - 9}{20} = -\frac{10}{20} = -\frac{1}{2} } \atop {\frac{-1 + 9}{20} = \frac{8}{20} = \frac{2}{5}}} \right.$

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2 years ago

Type SSS, SAS, ASA, SAA, or HL to<br> justify why the two larger triangles are<br> congruent.

kipiarov [429]

Answer:

SAS

Step-by-step explanation:

It doesnt show the hypotenuse so its no HL

It doesnt show 2 angles so its not SAA or ASA

It doesnt show three sides so its not SSS

The little line indicates that the sides are congruent. They both have a right angle and the bottom lines are right on top of each other so its SAS

3 0

3 years ago

Can you make 24 from the numbers 3, 6, 8 and 2, using all the numbers? You can only use the operations: + - x / ( )

Andre45 [30]

Answer:

you can do 3 x 6 + 8 - 2

Step-by-step explanation:

3 × 6= 18

+8= 26

-2= 24

hope this Helps :)

4 0

3 years ago

Give an example of two whole number factors with a product of 9

Monica [59]

3 and 3 or 1 and 9 not really sure of anything else

7 0

3 years ago

What the simplest radical form of square root of 50 is

vekshin1

The answer to this is 5√2

3 0

3 years ago