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elena55 [62]
2 years ago
9

PLEASE HELP!!! 30 POINTS!!!!

Mathematics
2 answers:
nirvana33 [79]2 years ago
7 0

Answer:

no.3

Step-by-step explanation:

an = 2n + 10

irinina [24]2 years ago
4 0

Answer:

I think that its 2n + 8

Step-by-step explanation:

if you just pretend that n is 3 for example,

then 2(3) + 8 = 14 and so she runs 14 miles in 3 weeks, which makes sense since shes adding 2 every week.

Hope this helps :D

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If the sum of a number and seven is tripled, the result is three less than twice the number. Find the number
hram777 [196]

Answer:

x = -24

Step-by-step explanation:

3(x + 7) = 2x - 3

3 * x = 3x

3 * 7 = 21

3x + 21 = 2x - 3

-21            -21

3x = 2x -24

-2x   -2x

x = -24

4 0
3 years ago
Omar deposited $4000 into an account with 4.4% interest, compounded quarterly. Assuming that no withdrawals are made, how much w
melamori03 [73]
The formula you want is: fv=p(1+int/c)^(nc)
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7 0
2 years ago
Help help help me please
diamong [38]

Answer:

123414

Step-by-step explanation:

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7 0
3 years ago
Can someone please help me?
Vadim26 [7]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
Find the equation of the line shown.
vladimir1956 [14]

Answer:

y = - x + 9

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, 9) and (x₂, y₂ ) = (9, 0) ← 2 points on the line

m = \frac{0-9}{9-0} = \frac{-9}{9} = - 1

the line crosses the y- axis at (0, 9 ) ⇒ c = 9

y = - x + 9 ← equation of line

4 0
2 years ago
Read 2 more answers
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