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Valentin [98]
2 years ago
9

Mya applied the distributive property to write the equivalent expressions below

Mathematics
2 answers:
Rus_ich [418]2 years ago
6 0

Answer:

Mya wrote two expressions that are not equivalent

Step-by-step explanation:

45 +72 does not equal to 9(5+9)

9(5+9) = 45 + 81

Alex73 [517]2 years ago
4 0

Answer:

D

Step-by-step explanation:

I dislike these kinds of questions. I could argue either of 2 answers - b and d.

b says that her error was that she wrote two expressions that are not equivalent and that is true. She did not write equivalent expressions.

d says she didn't use a common factor to both terms and that is true.

The actual answer is that she made a silly error which we all often do.

8 * 9 is 72

so the distributive property should be

9(5 + 8)

So, what's the answer? I would pick D, but hold your nose when you enter it.

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25 points? pls idk the answer :((( help D:
DedPeter [7]

Answer:

18x = 7.2

x =.4

Step-by-step explanation:

Let x = the weight of one box

We have 18 boxes that weigh 7.2 lbs

18x = 7.2

Divide each side by 18

18x/18 = 7.2/18

x =.4

6 0
2 years ago
Read 2 more answers
24xy-10y-18x from 13xy+12y+14x with explanation
Sav [38]

Answer:

24xy+2y−234x​2fromy+14x

Step-by-step explanation:

24xy−10y−(18×13)xxfromy+12y+14x

24xy−10y−234xxfromy+12y+14x

24xy−10y−234x​2fromy+12y+14x

24xy+(−10y+12y)−234x​2fromy+14x

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2 years ago
Jones of Boston borrowed $40,000, on a 90-day 10% note. After 60 days, Jones made an initial payment of $6,000. On day 80, Jones
jok3333 [9.3K]
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6 0
3 years ago
Keith tabulated the following values for time spent napping in minutes of six of his friends: 23, 35, 17, 30, 20, and 19. The st
vovikov84 [41]

Using the t-distribution, the t-statistic for the two-sided test would be of t = 0.7.

<h3>What is the test statistic for a t-distribution hypotheses test?</h3>

The test statistic is given by:

t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}

The parameters are:

  • \overline{x} is the sample mean.
  • \mu is the expected value.
  • s is the standard deviation of the sample.
  • n is the sample size.

The values of the parameters are given as follows:

\mu = 22, s = 7.043, n = 6.

The sample mean is:

\overline{x} = \frac{23 + 35 + 17 + 30 + 20 + 19}{6} = 24

Hence the test statistic is:

t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{24 - 22}{\frac{7.043}{\sqrt{6}}}

t = 0.7.

More can be learned about the t-distribution at brainly.com/question/16194574

<h3>#SPJ1</h3>
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1 year ago
Find the volume of the rectangular prism.
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Answer:

30

Step-by-step explanation:

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