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Alex_Xolod [135]
3 years ago
7

AB is parallel to CD, a) Find the value of angle x. b) work out the value of angle y.

Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

x=69°  y=69°

Step-by-step explanation:

Angle x is an alternate angle so it is equal to the angle above it (69)

Angle y is in a co-interior angle so you do the equation 180-111 which equals 69°

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densk [106]
The blue curve represents the f(x) function while the orange curve represents the g(x) function
f=g, if x<0 and f>g, if x>0

4 0
3 years ago
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2
Fofino [41]

9514 1404 393

Answer:

  1.1.1  sin(241°) = -√t

  1.1.2  cos(61°) = √(1 -t)

Step-by-step explanation:

<u>Given</u>:

 sin(61°) = √t

<u>Find</u>:

  1.1.1  sin(241°)

  1.1.2  cos(61°)

<u>Solution</u>:

1.1.1  sin(180° +x) = -sin(x)

  sin(241°) = -sin(61°) = -√t

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1.1.2  cos(x) = √(1-sin²(x))

  cos(61°) = √(1 -(√t)²) = √(1 -t)

4 0
3 years ago
Three of the angles of a quadrilateral  are 90 , 156  and 28 . what is the size of the 4th angle?
anyanavicka [17]
The sum of the sides of a quadrilateral is equal to 360º.
x= 4th angle measurement 

We have the following equation:

90+156+28+x=360
x=360-90-156-28
x=86

Answer: the size of the 4th angle would be 86º. 
8 0
3 years ago
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Can someone help me please this is due? ASAP
damaskus [11]

Answer:

x=12

Step-by-step explanation:

since they are supplementary they will have a sum of 180 degrees

The equation should look like this- (5x+4)+(4x+80)=180

after solving the equation- you get x=12

in order to see if that is correct you would plug in 12 where x is in our equation (5x+4)+(4x+80). which does equal 180 when 12 is plugged in

Therefore, 12 is your answer

6 0
3 years ago
F(x)=5x^2+10x express f in standard form
Mkey [24]

Answer:  F(x) =  5x^2 + 10x

5 0
3 years ago
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