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Anika [276]
3 years ago
13

6.9•10 to the fourth power divided by 6.6•10 to the negative 5

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0
23/200
...............
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PLEASE HELP PLEASE HELP PLEASEEEE
Delvig [45]

Answer:

27. C

28. D

Step-by-step explanation:

The average of all grades in his fencing class, including the upcoming one, (all grades summed up divided by the amount of grades) must be equal to 86 (percent), hence C is the right answer for 27.

Solving this equation gives:

\frac{75+88+62+100+x}{5} = 86\\325 + x = 86 \cdot 5\\x = 430 - 325 = 105

So D is the right answer for 28.

5 0
3 years ago
Read 2 more answers
What is the quotient?
vitfil [10]
The synthetic division shown in the attached picture gives the quotient as
\frac{3x^{2}-2x+7}{x+1} = 3x-5 + \frac{12}{x+1}

4 0
3 years ago
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Anyone know how to do this???
frosja888 [35]
Assuming the board games are rectangular boards (which most are) you simply multiply the length with the width to get the area.
6 0
3 years ago
Answer asap !!!!!!
GaryK [48]

Value of r is -4

Step-by-step explanation:

We are given points (-1,-6) and (0,r) on line and slope of line is -2. We need to find value of r.

Using slope formula when two points are given:

Slope=\frac{y_2-y_1}{x_2-x_1}

Where x_1=-1,\,\,y_1=-6,\,\,x_2=0,\,\,y_2=r

Putting values:

2=\frac{r-(-6)}{0-(-1)} \\2=\frac{r+6}{0+1} \\2=\frac{r+6}{1} \\2=r+6

Adding -6 on both sides:

2-6=r\\-4=r

So, Value of r is -4

Keywords: Slope of line

Learn more about Slope of line at:

  • brainly.com/question/9369548
  • brainly.com/question/4932386
  • brainly.com/question/4819659

#learnwithBrainly

4 0
3 years ago
3,15,75,375 9th term
e-lub [12.9K]

Answer:

1,171,875

Step-by-step explanation:

The sequence is multiplying by 5 every time. It will be 3, 15, 75, 375, 1875, 9375, 46,875, 234,375, and then 1,171,875

5 0
3 years ago
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