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Alex777 [14]
3 years ago
9

In a file of 10 records with 2 errors, 5 are examined. Let the random variable be the number of errors.​

Mathematics
1 answer:
emmasim [6.3K]3 years ago
8 0
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What is the x-value of the solution of the system of
LenaWriter [7]

Answer:

Step-by-step explanation:

hello :

y= 5x + 9

y = -x +3

so : 5x+9 = -x+3

5x+x= 3-9

6x=-6

x=-6/6 = -1

5 0
3 years ago
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tom has twice as many marbles as luke. together they have 39 marbles. how many marbles does tom have?
kodGreya [7K]
Tom has 26 marbles. if you need to show your work it would be 13x2= 26 and 26+13=39
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3 years ago
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What is the median of the data set below? 57, 21, 11, 35, 43, 19​
Naily [24]

Answer:

28

Step-by-step explanation:

Arranged it in order and got 28 :)

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3 years ago
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At a coffee shop, Polly can choose to earn $12 per hour plus a starting bonus of $100 or she can choose to earn $16 per hour wit
vova2212 [387]

Answer:

For the first option 1h for the second option is 7h and she will earn the same which is 112$

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12 x 1 = 12 + 100 = 112

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5 0
3 years ago
The three angles of a triangle are in the ratio 5:4:1. Find all the angles of the triangle.
solniwko [45]

Answer:

Step-by-step explanation:

let the first angle be 5x

second be 4x

and third be 1x

as we know that by adding all the sides of triangle we get 180°

therefore  ,

5x+4x+1x=180°

10x=180°

hence ,  

x=18°

first angle - 18*5 = 90°

second angle - 18*4=72°

third angle - 18°

HOPE THIS HELPS YOU !!!

6 0
3 years ago
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