3 years ago

Total principal in both accounts

Mathematics

1 answer:

FrozenT [24]3 years ago

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Brenda received 3 times as many grades as Robert. Timothy received half as many 85s as Brenda. How many grades of 85 did Brenda,

Diano4ka-milaya [45]

Answer:

11 grades of 85 did Brenda, Robert, and Timothy receive altogether.

Step-by-step explanation:

Let 6x be the number of 85 received by Brenda.

The number of 85 received by Robert is 1/3 of Brenda= 2x

The number of 85 received by Timothy is 1/2 of Brenda= 3x

Then according to the given conditions

6x+ 2x+ 3x

= 11x

So the number of total 85s received by all the three is 11.

11 grades of 85 did Brenda, Robert, and Timothy receive altogether.

7 0

3 years ago

How is this solved please help anyone

irina [24]

$h = 2 \\ 6x + 18 = 2(3x + 9) \\ 6x + 18 = 6x + 18 \\ 18 = 18 \: always \: true$

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4 years ago

What is the mean absolute deviation of the data set?<br><br> 2, 2, 5, 6, 8, 4, 8, 5

DedPeter [7]

ANSWER

The mean absolute deviation is 1.75

EXPLANATION

The given date set is 2, 2, 5, 6, 8, 4, 8, 5

The mean is

$\bar X = \frac{2 + 2 + 5 + 6 + 8 + 4 + 8 + 6}{8} = 5$

The mean absolute value deviation is given by:

$=\frac{ \sum |x -\bar X| }{n}$

$= \frac{ | 2 - 5| + |2 - 5|+ |5- 5|+ |6 - 5|+ |8 - 5| + |4 - 5|+ |8- 5|+ |5 - 5| }{8}$

$= \frac{ 3 + 3+ 0+ 1+ 3 + 1+3+ 0}{8}$

$= \frac{14}{8}$

$= 1.75$

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3 years ago

3a+7+2(3+a) simpilify

Vladimir [108]

Answer: The answer is 5a+13

Step-by-step explanation:

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3 years ago

The hull speed of a boat is approximated by the

Law Incorporation [45]

a=1.34

b=ln-10

ln>10

Step-by-step explanation:

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3 years ago

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Total principal in both accounts​

Total principal in both accounts