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Alina [70]
3 years ago
7

(7x-49x^2)/(7x) can smeone solve this? Thank you! I hope you have a great day!

Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

x = 1/7

Step-by-step explanation:

\frac{(7x-49x^2)}{7x}\\\\\frac{7x(1-7x)}{7x} \\\\1-7x=0\\\\1=7x\\\\

x = 1/7

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Match the polynomial in the left column with its descriptive feature in the right
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Each question is worth 10 pts, I will do brainliest for the person who does both and follow pls help.
In-s [12.5K]

Answer:

1. 6

2.

pennies = 9

nickels = 5

quaters = 5

dimes = 10

Step-by-step explanation:

1.

18/3 = 6

as we know that there are 18 scoops, and 3 per icecream, we can divide the two to get the number of ice creams

2.

5n

#n = #q; #q = 2#d, this is a simple ratio, you just plug in the variables to get

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2 years ago
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Jlenok [28]
4.
Minimum: 20
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Liula [17]

Step-by-step explanation:

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6 0
2 years ago
If a and b are two angles in standard position in Quadrant I, find cos(a-b) for the given function values. sin a=3/5and cos b=12
goldfiish [28.3K]

The identity in question is

cos(a - b) = cos(a) cos(b) + sin(a) sin(b)

so that

cos(a - b) = 12/37 cos(a) + 3/5 sin(b)

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and

sin(b) = √(1 - cos²(b)) = 35/37

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cos(a - b) = 12/37 • 4/5 + 3/5 • 35/37 = 153/185

7 0
2 years ago
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