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Karolina [17]
3 years ago
12

If I send a chain email to 10 people and it remains unbroken how many people will have it by day 7

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
4 0
The answer is 7 multiple by 10 =70
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I will give brainliest for question! How many nonzero terms are in the expansion of (x+4)(2x^2+3x+9)-3(x^3-2x^2+7x)?
nataly862011 [7]

Answer:

Four

Step-by-step explanation:

Let's expand and see how many nonzero terms:

⇒ (x+4)(2x²+3x+9)-3(x³-2x²+7x)=

⇒ 2x³ + 3x² + 9x + 8x² + 12 + 36 - 3x³ + 6 x² - 21 x=

⇒ - x³ + 17x² - 12x + 12

As we see the expression has four nonzero terms

4 0
3 years ago
In how many ways can 13 students be seated in a row of 13 chairs if David, insists on sitting in the first chair?
Delvig [45]
They can only sit one way because they are still in a row
Or did you mean like how many different ways can they sit?
8 0
2 years ago
Please help me answer the question in the picture
Genrish500 [490]
$338 / 2 = $169

A = a^2 = 169
a= 13

answer
13ft
6 0
3 years ago
Read 2 more answers
In a class of 27 students, 15 are female and 7 have an A in the class. There are 9
sveticcg [70]

Answer:

4/27

Female:15/27 female with an A:4/15

Male:12/27 male with an A:3/12

Answer=15/27 ×4/15

3 0
3 years ago
Read 2 more answers
write the equation if the line in slope- intercept form that passes through (7,-4) with a slope of -1.
QveST [7]

9514 1404 393

Answer:

  y = -x +3

Step-by-step explanation:

The point-slope form can be a useful place to start.

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

You require the line ...

  y -(-4) = -1(x -7)

  y = -x +7 -4 . . . . . . . . eliminate parentheses, add -4

  y = -x +3 . . . . . . . . . slope-intercept form

7 0
3 years ago
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