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Delicious77 [7]
3 years ago
13

(50 POINTS)

Mathematics
1 answer:
irakobra [83]3 years ago
3 0

answer is attached below

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In a store, a sample of 60 pens was selected from a box of 1,200 pens. Of these 60, 4 pens did not work. About how many pens cou
Lapatulllka [165]
Ok so if 1200 total pens and 60 were taken that's a ratio of 1200/60=20

out of 60pens 4 didn't work, again ratio is 4/60=1/15 so about 1/15 of the pens didn't work. 

so we have 1200pens * 1/15broken ratio = 80 pens or we can say 

20*4=80pens won't work from 20 groups of 60 and 4 out of 60 not working is 20*4=80 not working from total batch of 1200.

hope this helps you some! thank you!!!!!!!!!
3 0
3 years ago
-7(k-8)+2k
Vladimir79 [104]

Step-by-step explanation:

-7(k-8)+2k Use distributive property.

-7k+56+2k Combine like terms.

-5k+56


Mother knows best :)

4 0
3 years ago
I need help!! Please help me
Zinaida [17]

Answer:

y= 6

Step-by-step explanation:

A horizontal line means y = something  ( the x value will change, but y remains the same)

In this case, the y value is 6

y= 6

8 0
3 years ago
Please help me with the answer!!!
docker41 [41]

5x = 7x - 8

7x - 5x = 8

2x = 8

x = 8 ÷ 2

x = 4

8 0
2 years ago
Two six-sided number cubes are rolled. Each number cube has sides numbered 1 through 6. What is the probability that the outcome
juin [17]
This is the concept of probability and statistics, we are required to find the probability that when a 6-sided cube is rolled the outcome will be even sum or a sum that is multiple of 3.
The probability space is:
x=(1,2,3,4,5,6)
P(x)=1/6
P(even)=3/6=1/2
P(multiple of 3)=3/6=1/2
P(even or Multiple of 3)=1/2*1/2=1/4
7 0
3 years ago
Read 2 more answers
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