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chubhunter [2.5K]
2 years ago
15

Question 1/14

Mathematics
1 answer:
Lostsunrise [7]2 years ago
8 0

An algebraic expression that represents the weight of this object is W=72+3.9m

  • Let the weight of this object be W.
  • Let the month be m.

<u>Given the following data:</u>

  • Weight of object = 72 pounds.
  • Increment = 3.9 pounds per month.

To write an algebraic expression that represents the weight of this object:

<h3>How to write an algebraic expression.</h3>

In this exercise, you're required to write an algebraic expression that represents the weight of this object. Thus, we would choose some variables to denote the parameters that were given in this word problem.

Therefore, the algebraic expression would be written as follows:

W=72+3.9m

Read more on word problems here: brainly.com/question/13170908

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If f(x) = 4x2 – 6 and g(x) = x2 – 4x – 8, find (f – g)(x)
kakasveta [241]
I have no clue I’m sorry. I wish I could hell
7 0
3 years ago
$1,200 is deposited into an account with 4.5% simple interest. How much would it earn in interest after 3 years?
zalisa [80]

Answer:

$162

Step-by-step explanation:

$1200 x .045 = $54 x 3 years = $162

8 0
2 years ago
A researcher wants to know how professional athletes in her city feel about safety measures. She obtains a list of 952 professio
mojhsa [17]

Answer:

For this case the population represent all the professional athletes in the researcher city and we can assume that the sample size for tis population is N =982 and represent all the individuals of interest for the study and the parameter of interest is the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled p.

In order to estimate te parameters of the population the researcher select a sample of 400 professional athletes and just 86 of them returns the questionnaire sent. So then the real sample is the n =86 people who return the info, because the other people are part of the non response rate, and from this sample she found that the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled is \hat p=0.76.

Step-by-step explanation:

For this case the population represent all the professional athletes in the researcher city and we can assume that the sample size for tis population is N =982 and represent all the individuals of interest for the study and the parameter of interest is the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled p.

In order to estimate te parameters of the population the researcher select a sample of 400 professional athletes and just 86 of them returns the questionnaire sent. So then the real sample is the n =86 people who return the info, because the other people are part of the non response rate, and from this sample she found that the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled is \hat p=0.76.

6 0
3 years ago
Rahul solved the equation 2(x – ) – 2 left-parenthesis x minus StartFraction 1 Over 8 EndFraction right-parenthesis minus StartF
Ghella [55]

Rahul use addition property of equality in step 2.

Solution:

The image of the question is attached below.

Step 1:

$2 x-\frac{1}{4}-\frac{3}{5} x=\frac{55}{4}

combine like terms together.

$2 x-\frac{3}{5} x-\frac{1}{4}=\frac{55}{4}

To make the denominator same multiply and divide 2x by 5.

$\frac{10}{5} x-\frac{3}{5} x-\frac{1}{4}=\frac{55}{4}  

Step 2:

$\frac{7}{5} x-\frac{1}{4}=\frac{55}{4}

By addition property of equality, add \frac{1}{4} on both side of the equation.

$\frac{7}{5} x-\frac{1}{4}+\frac{1}{4}=\frac{55}{4}+\frac{1}{4}

Step 3:

$ \frac{7}{5} x=\frac{56}{4}

Step 4:

Multiply by \frac{5}{7} on both side of the equation.

x=10

Hence Rahul use addition property of equality in step 2.

3 0
3 years ago
Read 2 more answers
It took 35 seconds for 5 songs to download to Rebecca’s computer. The next day, it took 42 seconds for 6 songs to download. Writ
sleet_krkn [62]

The equation in point-slope form to represent the time y it took to download x songs is; (y - 35) = 7(x - 5)

  • Since it took 35 seconds for 5 songs to download

  • and it took 42 seconds for 6 songs to download

In essence, we can represent the information as;

  • (5, 35) and (6,42)

To find the slope of the equation; we have;

  • Slope, m = (42-35)/(6-5)

  • m = 7

In essence, the equation in point-slope form to represent the time y it took to download x songs is;

  • (y - 35) = 7(x - 5)

Read more:

brainly.com/question/6497976

3 0
3 years ago
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