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postnew [5]
3 years ago
14

Which of the following equations will represent this scenario:

Mathematics
2 answers:
velikii [3]3 years ago
7 0

Answer:

A and C

Step-by-step explanation:

x + x + 2 + x + 4 = 105       Combine like terms on the left

3x + 6 = 105

It's A

3x = 99

=============

x = 33

x+2 = 35

x + 4 = 37

The total is 105

=============

C is also correct

Musya8 [376]3 years ago
6 0
Answer is C.

x+(x+2)+(x+4)=105

Simplifies to 3x+6=105

Solve for x. x=33, x+2=35. x+4=37

33+35+37= 105
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PLZ ANSWER THIS. I really need help from smart people.
r-ruslan [8.4K]

Answer:

2x-3y<7

Step-by-step explanation:

Hope it helps (:

4 0
3 years ago
Gina and Stewart are surf-fishing on the Atlantic coast, where both bluefish and pompano are
viktelen [127]

Using the normal distribution, it is found that due to the greater z-score, Stewart caught the longer fish relative to the same specie.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

To find who caught the longer fish relative to the same specie, we need to find out who had the higher z-score.

Stewart caught a bluefish with a length of 322 mm, hence the parameters are as follows:

X = 322, \mu = 267, \sigma = 39

The z-score is:

Z = \frac{X - \mu}{\sigma}

Z = \frac{322 - 267}{39}

Z = 1.41

Gina caught a pompano with a length of 176 mm, hence the parameters are as follows:

X = 176, \mu = 155, \sigma = 28

The z-score is:

Z = \frac{X - \mu}{\sigma}

Z = \frac{176 - 155}{28}

Z = 0.75.

Hence Stewart caught the longer fish relative to the same specie.

More can be learned about the normal distribution at brainly.com/question/4079902

#SPJ1

8 0
2 years ago
I honestly need help O.o
dimaraw [331]

Answer:

Its b!!!!!!

Step-by-step explanation:

8 0
3 years ago
Making $40 payments each Friday,
Marianna [84]
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8 0
3 years ago
Shaun needs to make mortar for brick-laying. It is made in the ratio 7:3 of sand to cement.
Tju [1.3M]
Sand to cement
7:3

210:x

ask yourself what number is needed to multiply by 7 to get 210 ( so you'd divide 210 by 7 which is 30). Multiply the other side by thirty as well to get the value of x

3*30 which is 90

7 0
3 years ago
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