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irina [24]
3 years ago
12

Solve In (4x - 5) = 7.

Mathematics
1 answer:
diamong [38]3 years ago
8 0
The answer is

275.408
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Eva estimate the 475 songs will fit on her MP3 player. The actual amount of songs that fit is 380. Find percent error
Shalnov [3]

Answer: 20%

Step-by-step explanation: Let’s use the variable ‘x’ as the percent. You need to make an equation and fill in the blanks. ___ is ____% of ____. So 380 is x% of 475. Now solve the problem. 380/475 = x/100, cross multiply. Now you have 475x = 380 * 100 or 475x = 38000. Now divide each side by 475. Now you have, x = 80%. Now you subtract. 100% - 80%. AND YOU GET 20%

4 0
3 years ago
Which group of numbers is ordered from greatest to least?​
tankabanditka [31]

Answer:

Step-by-step explanation:

Hope this helps

PLZZ MARK BRAINLIEST

6 0
3 years ago
Read 2 more answers
(a−2b)3 when a=−4 and b=−1/2
Vikentia [17]

Answer:

-9

Step-by-step explanation:

(-4-2*-1/2)3

(-4+1)3

-3*3

-9

3 0
2 years ago
Read 2 more answers
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
What is the difference between 5 and -5
liraira [26]

Answer:

10

Step-by-step explanation:

5 - 5 = 0 You would want to subtract five from zero giving you -5.

6 0
3 years ago
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