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r-ruslan [8.4K]

2 years ago

8

The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than a certain number of inches

.
Sketch and label the sides of this rectangle. Use an algebraic expression to represent the length of the long sides.

1 answer:

sesenic [268]2 years ago

3 0

Answer:

14 inches??>.......

Step-by-step explanation:

2=x-3

5=x

2,2,5,5

4,10

14 inches

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Can someone help me with this?

Anna35 [415]

Answer:

Let 'a' be the first term, 'r' be the common ratio and 'n' be the number of terms

Series = 2+6+18.......= 2+2•3¹+ 2•3².......= 728

Now,

$Sum = \frac{a( {r}^{n} - 1) }{(r - 1)} \\$

So,

$\frac{a( {r}^{n} - 1)}{(r - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{(3 - 1)} = 728 \\ \frac{2( {3}^{n} - 1) }{2} = 728 \\ {3}^{n} - 1 = 728 \\ {3}^{n}=728+1\\ {3}^{n} = 729 \\ {3}^{n} = {3}^{6} \\ \boxed{ n = 6}$

Therefore, number of terms is 6

6 is the right answer.

3 0

2 years ago

42. A cylinder has a base of 36 π in² and a volume of 432π in³. What is the surface area of the same cylinder? *

faust18 [17]

Answer:

216π in²

Step-by-step explanation:

Base area = π × r²

36 π = π × r²

r² = 36

r = 6

Volume = base area × height

432 π = 36 π × height

height = 12

Surface area:

2 × π × r × (r + h)

2π × 6 × (6 + 12)

216π

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A bakery has 42 donuts and 24 muffins for sale. What is the ratio of muffins to donuts

Lana71 [14]

The ration is 12 muffins to every 21 donuts

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Linear or nonlinear ?

timurjin [86]

Nonlinear is correct the points are scattered across the graph :)

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Consider the function H(x) = (x ^ 2 - 3x - 4)/(x - 4)

tigry1 [53]

Answer:

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