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krek1111 [17]
2 years ago
6

Sorry for posting a bunch I need to pass this math test

Mathematics
1 answer:
Paha777 [63]2 years ago
6 0

Answer:

c

Step-by-step explanation:

if the letter c=0 so 2x0= 0 and 5x2= 10x3=30

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If f(x) = 3x -2 and g(x).= 4x + 1.<br> what is the sum of f(2) and g(-3)
ira [324]

Answer:

The sum of f(2) and g(-3) is -7.

Step-by-step explanation:

f(x) = 3x - 2

f(2) = 3(2)-2

f(2) = 6 -2 = 4

g(x) = 4x + 1

g(-3) = 4(-3) +1

g(-3) = -12 + 1 = -11

f(2) + g(-3) = 4 + (-11)

f(2) + g(-3) = -7

5 0
3 years ago
For which survey is a sample not necessary?
BARSIC [14]

Answer:

<h2>How many car accidents involve airbag malfunctions?</h2><h2 />

This is because there's no need to survey an entire population for accurate results.

The other 3, regarding Colorado residents, middle school students, and classmates are considered a population.

For testing the amount of car accidents, a population is not needed.

<em />

<em>I hope this helped you!</em>

7 0
3 years ago
Read 2 more answers
I need help on this equation i need to pass the test
emmasim [6.3K]

Answers: x=2 and x=-3

6 0
3 years ago
Your soccer team has won 6 games and lost 4 games. If the team does not lose any more games, how many games must the team win to
Lunna [17]

Answer: 4 games

Step-by-step explanation:

The team has won 6 games and lost 4 games. The win--loss ratio at the moment must be:

= 6 : 4

This must be at its simplest form which is:

= 3 :  2

To take it to 5 : 2, we would have to take up the left side of the ratio by 2.

Because we simplified by using a factor of 2, we have to multiply the 2 we just calculated by the factor to find the number of games needed to be won:

= 2 * 2

= 4 games

4 0
3 years ago
Many people who bought Z-Game gaming systems over the holidays have complained that the systems they purchased were defective. I
Bas_tet [7]

Answer:

The upper limit for the 95% confidence interval for the population proportion of defective gaming systems is 0.022

Step-by-step explanation:

Upper Limit for 95% Confidence Interval can be calculated using p+ME where

  • p is the sample proportion of defective gaming systems (\frac{18}{1200} = 0.015)
  • ME is the margin of error from the mean

and margin of error (ME) around the mean can be found using the formula

ME=\frac{z*\sqrt{p*(1-p)}}{\sqrt{N} } where

  • z is the statistic of 95% confidence level (1.96)
  • p is the sample proportion (\frac{18}{1200}=0.015
  • N is the sample size (1200)

Using the numbers we get:

ME=\frac{1.96*\sqrt{0.015*0.985}}{\sqrt{1200} } ≈ 0.007

Then upper limit for the population proportion is 0.015+0.007 =0.022

4 0
3 years ago
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