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ANTONII [103]
2 years ago
11

If you are given three sides of a triangle, you would use the law of

Mathematics
1 answer:
miv72 [106K]2 years ago
7 0
You would use the law of cosines
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ABCD is a parallelogram. What is the measure of ∠ACD?
Igoryamba

Step-by-step explanation:

Here

5x+16+7x-3+6x+5 = 180(being sum of triangle)

or, 18x=180-18

or, x= 162/18

so, x = 9

now,

here,

<ACD = <ACB(diagonals of parallelogram bisect eachother)

or, <ACD = 7x-3

or, <ACD = 7×9-3

or, <ACD = 63-3

So, <ACD = 60°

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2 years ago
Solve y(2y+1)+10=0 by using the Quadratic Formula.
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Answer:

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Step-by-step explanation: Here is the answer ^^

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3 years ago
Solve the system of equations.
lord [1]

Answer is B.) (-3,-3) and (2,7)

3 0
3 years ago
 (6,-3) and y = - 6x - 3
Hatshy [7]
Wait what's the question tho?
is it if this point is on the line?
cause it's not
-y=mx+b
3=-6(6)-3
-3=-36-3
-3 does not equal -39
hence, point is not on the line
3 0
3 years ago
What are the constants in the expression below? Check all that apply.
AlexFokin [52]
Constants are numbers alone with no variables.

The constants are: 12, -3.7, 1/3
4 0
3 years ago
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