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UkoKoshka [18]
4 years ago
5

Use the relationship between the angles in the figure to answer the question.

Mathematics
1 answer:
grigory [225]4 years ago
3 0

Answer:

x = 52, A.

Step-by-step explanation:

The two angles across from each other are both acute angles, which means that considering their positioning, they're gonna equal the same in degrees. If the question were asking to find the value of x on one of the obtuse angles, your answer would be B, considering both of those lines would equal 180 degrees.

Hope that helps!

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Farhan cycles the first part of a 150km journey at an average speed of 35km/h and walks the remaining distance at an average spe
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Answer:

man ion know

Step-by-step explanation:

5 0
3 years ago
Select the graph that represents a proportional relationship
denpristay [2]

Answer: B

The graph of the proportional relationship equation is a straight line through the origin.

I hope this is good enough:

7 0
3 years ago
What was the least of rows she could use?
irinina [24]
No picture so I can’t answer this .
8 0
3 years ago
The roots of x2 − ( ) + 34 are 5 ± 3i.
Angelina_Jolie [31]
Use quadratic formula
if you had ax^2+bx+c=0, then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
a=1
b=?
c=34
subsitute
\frac{-b+/- \sqrt{b^{2}-4(1)(34)} }{2(1)}=5+/-3i
\frac{-b+/- \sqrt{b^{2}-136} }{2}=5+/-3i
make 5+/-3 into fraction over 2,(10+/-6i)/2
\frac{-b+/- \sqrt{b^{2}-136} }{2}=(10+/-6i)/2
multiply both sides by 2
-b+/- \sqrt{b^{2}-136}=10+/-6i
we conclude that -b=10
b=-10

ok so equaton is
x^2-10x+34


5 0
4 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLIEST
Pavel [41]

Answer:

Apply the sine theorem in triangle ABC:

sin C = AB/AC = 4/5

=> C  = arcsin(4/5) = 53.13 deg

As shown in picture, AB//CD. Using the same side interior angles theorem:

=> angle BCD = angle ABC = 90 deg

=> angle ACD = 90 - angle ACB = 90 - C = 90 - 53.13 = 36.87 deg

Apply the cosine theorem in triangle ACD:

cos C = AC/CD

=> CD = AC/cos C = 5/cos(36.87) = 5/0.8 = 6.25

=> Option C is correct

Hope this helps!

:)

6 0
3 years ago
Read 2 more answers
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