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2 years ago

Solve for x :) i’m not sure how to solve this it’s from geometry lesson 10.2

Mathematics

1 answer:

irinina [24]2 years ago

6 0

Step-by-step explanation:

Angle of a circle = 360

x + 90 + 84 + 16 = 360

x + 190 = 360

x = 170°

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What is the factored expression of 63x^2-3x-6

Murljashka [212]

Answer:

$3(3x-1)(7x +2)$

Step-by-step explanation:

$63x^2-3x-6$

Suppose a generic quadratic equation

$ax^2 + bx + c$

To factor this equation, I need to find its roots. Then we use the quadratic formula of:

$\frac{-b + \sqrt{b^2-4ac}}{2a}$

and

$\frac{-b + \sqrt{b^2-4ac}}{2a}$

So, for the equation 63x ^ 2-3x-6 we have:

$\frac{3 + \sqrt{(-3)^2-4(63)(-6)}}{2(63)} = \frac{1}{3}$

and

$\frac{3 - \sqrt{(-3)^2-4(63)(-6)}}{2(63)} = \frac{-2}{7}$

So:

$(x-\frac{1}{3}) = 0\\\\(3x-1) = 0$

and

$(x - (-\frac{2}{7})) = 0\\\\(x+ \frac{2}{7}) = 0\\\\(7x +2) = 0$

Finally the polynomial is:

$(3x-1)(7x +2)$

6 0

3 years ago

Denis made a scale drawing of his backyard, using the scale 1/4 inch = 3 feet. The rectangular swimming pool was 2 inches long a

Vlad [161]

24ft long, 12ft wide

2/.25=8 8x3=24
1/.25=4 4x3=12

3 0

2 years ago

Read 2 more answers

Help needed! - Geometry - 15 points - One question -

il63 [147K]

Answer: m<VUT= 70 degrees

Step-by-step explanation:

120= 50+ ?

?=70

6 0

2 years ago

Need help ASAP plz !!!!!

Flura [38]

Answer:

chint chong your opinion is wrong 69

Step-by-step explanation:

69 420 give brainliest

8 0

2 years ago

Which of the following is the accurate APA format for writing out the bragger condition main effect result for dependent variabl

Svetllana [295]

Answer:

Answer is given below.

Step-by-step explanation:

3. Option a is correct

we ran a univariate ANOVA for 2 independent variables and 1 dependent variable.

for the bragger condition (truthful or non truthful), we got the F (1,116)=68.646 and p value = 0.000 < 0.01 that necessarily implies that there is no significant main effect of the bragger condition on the likeability of Edward.

4 0

3 years ago