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3 years ago

Can someone help me and show me how to solve this?

Mathematics

2 answers:

DedPeter [7]3 years ago

8 0

XYA = (104 -52)/2

52 /2 = 26

the answer is 26 degrees

saveliy_v [14]3 years ago

3 0

I think it is 26
but I'm not completely sure

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Find the measure of each angle.

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Answer:

Step-by-step explanation:

1. 51 degrees

2. 90 degrees

3. 17 degrees

4. 107 degrees

5. 121 degrees

6. 68 degrees

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3 years ago

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Work out the area of this circle. Take pie to be 3.142 and give your answer to 2 decimal places.

yan [13]

Answer:

Work out the area of this circle. Take pie to be 3.142 and give your answer to 2 decimal places.

Step-by-step explanation:

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3 years ago

Use the figure below and 2-3 sentences to explain the following:

nydimaria [60]

Answer:

See below

Step-by-step explanation:

The side opposite angle E is side e (DF)

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3 years ago

Which of the following equations have complex roots?

mestny [16]

Answer:

Step-by-step explanation:

Complex roots of quadratic functions occur when the <u>discriminant is negative</u>.

<u>Discriminant</u>

$b^2-4ac\quad\textsf{when}\:\:ax^2+bx+c=0$

Evaluate the discriminant of each of the given equations.

$\textsf{A.} \quad 3x^2+2=0$

$\implies a=3, \quad b=0, \quad c=2$

$\implies b^2-4ac=0^2-4(3)(2)=-24$

As -24 < 0 the equation will have complex roots.

$\textsf{B.} \quad 2x^2+1=7x$

$\implies 2x^2-7x+1=0$

$\implies a=2, \quad b=-7, \quad c=1$

$\implies b^2-4ac= (-7)^2-4(2)(1)=41$

As 41 > 0 the equation does not have complex roots.

$\textsf{C.} \quad 3x^2-1=6x$

$\implies 3x^2-6x-1=0$

$\implies a=3, \quad b=-6, \quad c=-1$

$\implies b^2-4ac=(-6)^2-4(3)(-1)=48$

As 48 > 0 the equation does not have complex roots.

$\textsf{D.} \quad 2x^2-1=5x$

$\implies 2x^2-5x-1=0$

$\implies a=2, \quad b=-5, \quad c=-1$

$\implies b^2-4ac=(-5)^2-4(2)(-1)=33$

As 33 > 0 the equation does not have complex roots.

Learn more about discriminants here:

brainly.com/question/27444516

brainly.com/question/27869538

Learn more about complex roots here:

brainly.com/question/26344541

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2 years ago

in Triangle uvw, the measure of angle W equals 90°, UW equals 60, WV equals 11, and Vu equals 61. What ratio represents tan (v)?

joja [24]

Answer:

Step-by-step explanation:

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3 years ago