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Yanka [14]
3 years ago
6

ILL GIVE BRAINILEST: Write an equation for the triangle and solve the equation to find the value of the variable then find the a

ngle measures

Mathematics
2 answers:
dexar [7]3 years ago
8 0
N = 69 I had this question on my test 2 months ago :)
riadik2000 [5.3K]3 years ago
7 0

Answer:

n= 69 degrees

Step-by-step explanation:

total inside measure of any triangle is 180 degrees

180= n+n+42

180= 2n+ 42

2n= 180-42

2n= 138

n=69

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likoan [24]
Subtract x and mutiply v and add the answer
5 0
3 years ago
In a study, 8 people ate a total of 1,312 pounds of potatoes in 2 years.
cricket20 [7]

Answer:

83.125 pounds of potatoes

Step-by-step explanation:

1. Divide 1,312 by 2

    1,312/2 = 665

This means that in 1 year 8 people ate 665 pounds of potatoes.

2. Divide 665 by 8

    665/8 = 83.125

This means that in 1 year 1 person ate 83.125 pounds of potatoes.

5 0
3 years ago
A shipment of 50 precision parts including 4 that are defective is sent to an assembly plant. The quality control division selec
natali 33 [55]

Answer:

0.3968 = 39.68% probability this shipment passes inspection.

Step-by-step explanation:

The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

50 parts means that N = 50

4 defective means that k = 4

10 are chosen, which means that n = 10

What is the probability this shipment passes inspection?

Probability that none is defective, so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,50,10,4) = \frac{C_{4,0}*C_{46,10}}{C_{50,10}} = 0.3968

0.3968 = 39.68% probability this shipment passes inspection.

6 0
3 years ago
WILL GIVE BRAINLIEST
barxatty [35]
B is the only number that is divisible by 3
5 0
3 years ago
Solve the equation using the quadratic formula 3x^2 =2(2x+1)
Nadusha1986 [10]
Step 1: Make equation equal to Zero

3x^2 = 4x + 2


3x^2 - 4x - 2 


Step 2: use equation

a= 3 b = -4 c= -2 

after plugging in answer should be

(2 + or - sqrt 10) / 3 


3 0
4 years ago
Read 2 more answers
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