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sergey [27]
4 years ago
6

Please help!!

Mathematics
1 answer:
lana [24]4 years ago
7 0
8. 5w(4w^2-2w)+3w(-2w^2+4w)
    20w^3-10w^2-6w^3+12w^2
    14w^3+2w^2
    D

9. (3x-2)(3x+2)
    Use FOIL.
    (3x)(3x)+(3x)(2)+(-2)(3x)+(-2)(2)
    9x^2+6x-6x-4
    9x^2-4
    B
    
Hope this helps :)
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345 ft/min converts to how many ft/hr
sergiy2304 [10]
345 * 60 = 20700. So it converts to 20700 ft/hr
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3 years ago
Kara's playlist has three songs: • "Each Day" (3 minutes) • "Best Friends" (3 minutes) • "This Weekend" (2 minutes) How many tim
Vikentia [17]

Answer:

4 times

Step-by-step explanation:

35/(3+3+2) = circa 4

5 0
3 years ago
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Mohamed decided to track the number of leaves on the tree in his back yard each year. This year there were 500 leaves. Each year
makkiz [27]

Answer:

Geometric sequence

Step-by-step explanation:

According to the scenario, computation of the given data are as follows:

Leaves on tree this year (a) = 500

Rate of increase in leaves per year (r) = 40 % or 0.4

Let n be the number of years.

So we use exponential growth formula, i.e.

f(n) = a(1+r)^n

by putting the value, we get

f(n) = 500 ( 1+0.4)^n

or f(n) = 500 (1.4)^n

So, the common ration is 1.4.

Thus, it shows a geometric sequence.

6 0
3 years ago
Look at the picture, it’s easy
Maurinko [17]

Answer:

(1,0.85)

Step-by-step explanation:

(x,y) = (t,d)

t = 1 minute

d = 0.85 feet

6 0
3 years ago
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HELP QUICK!!!!!!! ASAP!
sweet-ann [11.9K]

Answer:

52 X 60 equals 3120, divide that by 100, to get 31.20, and then do 52.00-31.20 to 20.8. plus sales tax, would equal, 20.8 X 6.25% = 1.3. add that onto the original answer to get the final answer, 22.1. Hope this helps! :)

5 0
3 years ago
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