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frutty [35]
3 years ago
14

Find the value of X. The find each angle measure. Please show work.

Mathematics
1 answer:
user100 [1]3 years ago
4 0

60 + 3x + x + 20 = 180

4x = 180 - 20 - 60 = 100

x = 25

________

60

x + 20 = 45

3x = 75

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Phil earns $9.50 an hour
shtirl [24]
$9.50x45=$427.50(work per week)

$427.50-$55=$372.50(amount of money he earns per week)

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Answer: $17880
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In base 2 (Binary system), which equation is false?
cluponka [151]

Answer:

it is a

Step-by-step explanation:

because 11 +1 8n binary is qlways 100 bbecause 11 is in the 4th in the truth table of binary numbers and 100 is in the 5th so 11 + 1 = 4+1

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9% of 750............................
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3 years ago
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Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. Thi
Dovator [93]

Complete question:

Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby this mention is designed to increase the likelihood that each baby will be a girl, but assume that the method has no effect so the probability of a girl is 0.5. Assume that the group consists of 36 couples.

A) Find the mean and standard deviation for the number of girls in groups of 36 births.

B) Use the range rule of thumb to find the values separating results that are significantly low and significantly high.

C) Is the result of 33 girls significantly high? A result of 33 girls would suggest the method is effective or is not effective?

Answer:

a) mean = 18

Standard deviation =3

b) low range = 12

High range = 24

c) The result of 33 girls is significantly high. Yes, the method is effective.

Step-by-step explanation:

Given:

p = 0.5

n = 36

a) The mean is the product of n and p

Mean u = np

u = 36 * 0.5 = 18

The standard deviation is the square root of the product of n and p&q.

S.d ó = \sqrt{npq}

= \sqrt{np(1-p)}

= \sqrt{36(0.5)(1-0.5)} = \sqrt{9} = 3

b) To find the range rule of thumb:

• For low range

Low range = u - 2ó

= 18 - (2 * 3)

= 12

• High range

= u + 2ó

= 18 + (2*3)

= 24

c) The result is significantly high, because 33 is greater than 24 girls.

A result of 33 girls would prove the method as effective.

8 0
3 years ago
If Jay had 5 cards and Jill had 10 cards. What is the product?
cupoosta [38]
Hello there,

The word "product" mean's to multiply.

So we are going to do 5 x 10.

This will give us 50 because when we do
10+10+10+10+10 is give's us 50. That is 
what multiplication mean's.

Hope this helps

Your correct answer will be 50 card's

~Jurgen
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