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Alenkinab [10]
4 years ago
10

Find the value of x

Mathematics
1 answer:
Vilka [71]4 years ago
6 0
<span>An exterior angle of a triangle is equal to the sum of the opposite interior
angles  </span>⇒  x = 30 + 90 = 120°
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Can someone help me on number 3 plz.....
alukav5142 [94]
3=-5


(not 100% sure, just basic math)
6 0
4 years ago
Two numbers have a sum of 24 and 7 times the first number minus the second number is equal to 16. what is the smaller number
Varvara68 [4.7K]
You want the minimum of the solutions to
  x + y = 24
  7x - y = 16

There are many ways to solve these equations. Adding them together, you get
  8x = 40
  x = 5

Since this value is less than 12, it is the smaller number. The smaller number is 5.
4 0
3 years ago
Convert x - 5 = 0 to a polar equation
dolphi86 [110]

Answer:

(

5

,

π

)

Step-by-step explanation:

−

5

=

r

cos

θ

88

[

1

]

0

=

r

sin

θ

8888

[

2

]

Squaring [1] and [2]:

25

=

r

2

cos

2

θ

0

=

r

2

sin

2

θ

Adding [1] and [2]:

25

=

r

2

cos

2

θ

+

r

2

sin

2

θ

Factor:

25

=

r

2

(

cos

2

θ

+

sin

2

θ

)

25

=

r

2

⇒

r

=

±

5

( use

r

=

5

)

4 0
4 years ago
can someone please do this for me and tell me how so I can do the other one pleaseeee I don't know what to do
KonstantinChe [14]

Answer:

P(green) =1/4

P(orange)=1/2

Step-by-step explanation:

I'm assuming this is probability but it\s been a while, so i'm not sure

number one is a square being divided into half and then one half is being divided into quarters. (as shown by the dotted lines and right angle)

so the probablity of landing in green is 1/4, because it is one fourth of the square.

the probability of the orange is 1/2 because it is 1/2 of the square

The same logic would apply to the "circle" i can see in the next problem. 120 degrees is 1/3 of 360, 90 is 1/4, and so on.

Hope that helps.

6 0
3 years ago
Please help me with 22 and 24
ValentinkaMS [17]
22)
The formula for the area of a circle is:
π*radius^2

Input the information we already know:
π*5^2
Follow BEDMAS
π*25
=78.5398163
Since half of the circle is shaded, divide the area by 2
78.5398163/2
=39.2699081
The area of the shaded sector is 39.2699081 meters²



8 0
4 years ago
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