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madreJ [45]
3 years ago
7

If x = 10, which lines are parallel? Check all that apply.

Mathematics
1 answer:
inn [45]3 years ago
4 0

Answer:

a

Step-by-step explanation:

helpful i am right man

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Find the exact values of sin 2θ and cos 2θ for cos θ = 6/13
Oksanka [162]

Answer:

Step-by-step explanation:

cos^-1(6/13)=62.5136°

sin(2*62.5136°)=0.8189

cos(2*62.5136°)=-0.5740

4 0
4 years ago
Is ∠ABC ≅ ∠ADC? Yes or no and why. PLEASE HELP ME? thanks. BRAINLIEST to CORRECT answers ONLY. PLEASE NO LINKS
bezimeni [28]
Yes the triangles are congruent by the HL Theorem
7 0
2 years ago
Given sin z=4/5 and cos x=3/5. What is the ratio for tan z? Enter your answer in the boxes as a fraction in simplest form.
Minchanka [31]
The answer is:  "  \frac{4}{3} " .<span>
______________________________________________________
Explanation:
______________________________________________________
Note:  tan z = (sin z/ cos z) ;

           tan z = (4/5) / (3/5) ; 

                    = </span>\frac{4}{5} * \frac{5}{3} ; <span>
Note:  Both of the "5 ' s" cancel out to "1" ;  since:  "{5 ÷ 5 = 1 }" ;

And we rewrite as:

</span>→    " \frac{4}{1} * \frac{1}{3} "  ;

 =  \frac{(4*1)}{(1*3)} ;
<span>
 =  " </span>\frac{4}{3} " .
<span>_______________________________________________________
The answer is:  " </span> \frac{4}{3} " .
_______________________________________________________
8 0
4 years ago
Read 2 more answers
Jamison graphs the function ƒ(x) = x4 − x3 − 19x2 − x − 20 and sees two zeros: −4 and 5. Since this is a polynomial of degree 4
ANTONII [103]

Answer:

Jamison is not correct

Step-by-step explanation:

According to the Fundamental Theorem of Algebra, an nth degree polynomial has n roots.

These roots comprises of real roots and imaginary roots.

The given function is

f(x) =  {x}^{4}  -  {x}^{3}  - 19 {x}^{2} - x - 20

Based on the Fundamental Theorem of Algebra, this function should have four roots.

The graph of the function only reveals real zeros and not the imaginary zeros.

So aside −4 and 5, there are two complex zeros

6 0
4 years ago
.A crocodile opens his jaws at a 36° angle. He closes his jaws, then opens them
Inessa05 [86]

Answer:

I would guess the 30 degree one.

Step-by-step explanation:

7 0
2 years ago
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