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worty [1.4K]
3 years ago
6

1/5(20t - 15) ANSWER ASAP PLS

Mathematics
2 answers:
ehidna [41]3 years ago
4 0

Answer:

=4t−3

Step-by-step explanation:

1 /5  (20t−15)

1 /5  (20t+−15)

1 /5 )(20t)+( 1/ 5 )(−15)

=4t−3

Delicious77 [7]3 years ago
3 0

Answer:

\huge\boxed{4t-3}

Step-by-step explanation:

\dfrac{1}{5}(20t-15)\qquad|\text{use the distributive property}\ a(b+c)\\\\=\left(\dfrac{1}{5}\right)(20t)-\left(\dfrac{1}{5}\right)(15)=4t-3

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Find the coordinates of the point 7/10 of the way from A to B
OverLord2011 [107]

Answer:

  (6.8, 1.3)

Step-by-step explanation:

<u>Given</u>:

  A(-3, -5), B(11, 4)

<u>Find</u>:

  P such that AP/AB = 7/10

<u>Solution</u>:

Using the desired relation, we have ...

  (P -A)/(B -A) = 7/10

  10(P -A) = 7(B -A) . . . . . multiply by 10(B-A)

  10P = 7B +3A . . . . . . . . add 10A to both sides

  10P = 7(11, 4) +3(-3, -5) = (77 -9, 28 -15) = (68, 13)

  P = (68, 13)/10 = (6.8, 1.3)

The point 7/10 of the way from A to B is (6.8, 1.3).

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2 years ago
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podryga [215]
The answer to the question is 12
3 0
3 years ago
Candice is preparing for her final exam in Statistics. She knows she needs an 74 out of 100 to earn an A overall in the course.
Salsk061 [2.6K]

Answer:

Hence the correct option is option b) Yes, the upper level of one standard deviation is 72.

A score of 74 is not within one standard deviation of the mean.

Step-by-step explanation:

Here the given details are,

Mean = 68  

SD = 4  

Distribution is normal.  

Z-score for x = 74 is given as below:  

Z = (X - mean)/SD\\Z = (74 - 68)/4\\Z = 1.5  

So, the score of 74 is 1.5 standard deviations from the mean.  

Mean + 1\timesSD = 68 + 1\times4 = 72Mean - 1\timesSD = 68 - 1\times4 = 64  

Therefore the score is not lies between 64 and 72.  

Yes, the upper level of one standard deviation is 72.  

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3 years ago
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sashaice [31]
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8 0
3 years ago
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GuDViN [60]

Answer:

Answer is a) -1 and 2

Step-by-step explanation:

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