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inysia [295]
2 years ago
8

If you take a number, multiply it by 3, then add 2, you could represent that phrase with the function:

Mathematics
2 answers:
Nutka1998 [239]2 years ago
7 0

Answer: take a number, add 2, and divide it all by 7.

Step-by-step explanation:

Brainliest plz!

a_sh-v [17]2 years ago
4 0

Answer:

Yes and for the second one it will be a number plus two and divide both factors by seven

Step-by-step explanation:

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A quality control expert found 12 defective cell phones in a shipment of 75 cell phones, based on these results how many cell ph
mart [117]

Answer:

240 cell phones

Step-by-step explanation:

=12×1500

=18000÷75

=240

8 0
2 years ago
A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25
GREYUIT [131]

Answer:

The upper limit of a 95% confidence interval for the population mean would equal 83.805.

Step-by-step explanation:

The standard deviation is the square root of the variance. Since the variance is 25, the sample's standard deviation is 5.

We have the sample standard deviation, not the population, so we use the t-distribution to solve this question.

T interval:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 15 - 1 = 14

Now, we have to find a value of T, which is found looking at the t table, with 14 degrees of freedom(y-axis) and a confidence level of 0.95(t_{95}). So we have T = 1.761

The margin of error is:

M = T*s = 1.761*5 = 8.805.

The upper end of the interval is the sample mean added to M. So it is 75 + 8.805 = 83.805.

The upper limit of a 95% confidence interval for the population mean would equal 83.805.

4 0
3 years ago
Which shuttle service has a greater initial value?​
Irina-Kira [14]

Answer: The Quick shuttle has a greater initial value

Step-by-step explanation:

The We-Drive Shuttle has a initial value of $20 and the Quick Shuttle has an inital value of $30

6 0
3 years ago
a test battery contains the following three items: distance runs, skinfolds, and trunk extension. what does that test battery me
Katen [24]

A test battery contains the following three items: distance runs, skinfolds, and trunk extension.  The test battery measure is health-related physical fitness.

Traditionally, the phrase "battery" turned into used to describe a "series of similar items grouped collectively to perform a feature," as in a battery of artillery. In 1749, Benjamin Franklin first used the term to explain a chain of capacitors he had related together for his strength experiments.

Batteries and comparable devices receive, save, and launch power on call. Batteries use chemistry, in the form of chemical capability, to save electricity, similar to many different normal electricity sources. for example, logs keep electricity in their chemical bonds till burning converts the electricity to heat.

The average alkaline AAA, AA, C, D, 9-volt or button-cellular battery is made of metal and a combination of zinc/manganese/potassium/graphite, with the ultimate balance, made up of paper and plastic. Being non-poisonous substances, all of those battery “substances” are effortlessly recyclable.

Learn more about batteries here brainly.com/question/2732823

#SPJ4

6 0
1 year ago
The functions q and r are defined as follows.
Harrizon [31]
G(2)= -2-2
g(2)= -4

r(g(2))= r(-4)
r(-4)= 2(-4)^2 -1
r(-4)= 31
ANSWER=31
5 0
2 years ago
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