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Ulleksa [173]
2 years ago
8

I need help answering this problem pls

Mathematics
2 answers:
ololo11 [35]2 years ago
8 0
Answer: C is 160 and B is 20

This is because they’re vertically perpendicular lines and we know that angles opposite each other equal the same. So the opposite B is 20 so b will also be 20 and to work out c you do 360-40= 320 and then you divide 320/2=
160

Hope this helps
EleoNora [17]2 years ago
4 0

Answer: b = 20 c = 160

Step-by-step explanation:

the value of a straight angle is 180, so 180-20= 160

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Answer:

Question 1:

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Therefore,

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Here X ~ NORMAL (3.12, 0.4)

so Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4)

Z = (3.69 - 3.12)/ 0.4 = 1.425

Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4) = 1 - Pr(Z < 1.425) = 1 - 0.9229 = 0.0771

Question 2

Here GPA would be above 95.54th percentile

so as per Z table relative to that percentile is = 1.70

so Z = (X - 3.12)/ 0.4 = 1.70  

X = 3.12 + 0.4 * 1.70 = 3.80

so any person with GPA above or equal to 3.80 is eligible for that.

3 0
3 years ago
120% of a number is 36?
Savatey [412]

Answer:


Step-by-step explanation:

We have, 120% × x = 36

or,  

120

100

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Multiplying both sides by 100 and dividing both sides by 120,

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5 0
4 years ago
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3 years ago
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If a regular polygon has exterior angles that measure 36 each, how many sides does the polygon have?
77julia77 [94]
To find this question's answer, we need to know that sum of the exterior angles of any given polygon is 360°. This is default and non-changeable.

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As there is no horizontal force in x direction thus distance covered by ball in 20 sec is

R=12\times 20=240 m

5 0
3 years ago
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