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Ilia_Sergeevich [38]
3 years ago
6

A survey of 120 college junior business students produced these results: 40 read a national newspaper, 48 read the local paper,7

0 read the campus paper, 25 read a national newspaper and the local paper, 28 read the local paper and the campus paper, 21 read the campus paper and the national paper, and 18 read all three.
a. how many do not read any of the papers?
b. how many read a national paper and the local paper but not the campus paper
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0
B=113 because 40+48+25=113 hope this helps
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Problem<br> Evaluate 6 + x when x = 3
OLga [1]

Answer:

9

Step-by-step explanation:

6+x   x=3

6+3=9

8 0
3 years ago
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What is the final amount if 457 is decreased by 1% followed by a further 3% decrease? Give your answer rounded to 2 DP.
kaheart [24]

Answer:

438.86

Step-by-step explanation:

1. 457 x 0.99 = 452.43 - Decreased by 1%

2. We need to decrease 452.43 again but this time by 3% - 452.43 x 0.97

3. This gives us an answer of 438.8571

4. Finally we need to round this to 2DP, the 7 (438.8571) rounds up so the number to the left increases. This leaves an answer of 438.86

Hope this helps :D

4 0
3 years ago
Need the answer to number 8 pls
Rama09 [41]
We can split it up into

( \frac{x^4+2x^2}{x^2+2})+(  \frac{1}{x^2+2} )= (\frac{x^2(x^2+2)}{x^2+2})+(  \frac{1}{x^2+2} )x^2+\frac{1}{x^2+2}
I see you were supposed to use synthetic division

not sure what the 'related function is'
but as |x| approaches positivie infinity, y approaches positive infinity
as |x| approaches negative infinity, y approaches positive infinity

for the original function
as x approaches positivie infinity x^2+ \frac{1}{x^2+2} approaches positive infinity
as x approaches negative infinity x^2+ \frac{1}{x^2+2} approaches positive infinity
this is due to the x^2 term making it positive
6 0
4 years ago
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nataly862011 [7]

Answer:

b. 4.9 × 1011

Step-by-step explanation:

Using scientific notation is similar to expressing in standard form. Given that (7 × 105)2

We open the parenthesis. This may first be expressed as

7² × 10⁽⁵⁾²

Then expand,

= 49 × 10¹⁰

To put in scientific notation, 49 = 4.9 × 10

Hence the expression becomes

= 4.9 × 10 × 10¹⁰

Using the laws of indices

= 4.9 ×  10¹¹ in scientific notation

6 0
3 years ago
What is 100/82 ×683.3
lora16 [44]

Answer:

833.29  

Just work it out on a piece of paper.

7 0
3 years ago
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