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galina1969 [7]
3 years ago
12

Last year I read 150 books. My brother read 170 books more books than I did. How many books did my brother read?​

Mathematics
2 answers:
Anettt [7]3 years ago
8 0

320 is what your brother read

schepotkina [342]3 years ago
5 0

Your brother read 320 books

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2 years ago
The quantity demanded x for a certain brand of MP3 players is 100 units when the unit price p is set at $80. The quantity demand
Cerrena [4.2K]

Answer:p = (2100 - x)/25

Step-by-step explanation:

According to the law of demand, when the price,p of the brand of MP3 players is is high, the quantity,x of the brand of MP3 players demanded would be low and when the price,p of the brand of MP3 players is is low, the quantity,x of the brand of MP3 players demanded would be high.

To derive the demand equation, we would apply the slope intercept form of equation which is expressed as

y = mx + c

Where

m = slope

c = intercept

The slope, m would be

(y2 - y1)/(x2 - x1)

Slope = (1100 - 100)/(40 - 80) = 1000/-40

Slope = - 25

To find the y intercept, we would substitute m = - 25, y = 1100 and x = 40 into y = mx + c. It becomes

1100 = - 25 × 40 + c

1100 = - 1000 + c

c = 1100 + 1000 = 2100

y = - 25x + 2100

Therefore, the demand equation is

x = - 25p + 2100

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4 0
3 years ago
Find the value of x. Round the answer to the nearest tenth, if needed.
wolverine [178]
X/49 = 21/x
x^2 = 21(49) = 1029
x = √1029 = 32.1
x = 32.1
6 0
2 years ago
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A luxury chairs manager found that an employee made 3/4 of a chair every 3/8 of an hour
ella [17]

Answer:

Step-by-step explanation:

(3c/4)/(3h/8)

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2 years ago
Help ASAP please!!!
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I’m not entirely sure but maybe it’s c

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3 years ago
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