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taurus [48]
3 years ago
14

Y varies directly as x and z. Y is equal to 16 when x=2 and z=4,find Y when x=1 and z=7​

Mathematics
1 answer:
maria [59]3 years ago
6 0

Answer:

here's one way:  z^x = Y,   7^1 = 7

Y = 7

Step-by-step explanation:

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Step-by-step explanation:

5 0
3 years ago
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4. Give the sum of the prime factors of 10.
andreyandreev [35.5K]
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3 0
3 years ago
Thomas buys a skateboard that is 2 feet long. What is the length, in inches, of the skateboard?
Leviafan [203]
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5 0
3 years ago
The profit, in dollars, of a small business can be modeled by the function P(x)=0.3x^2+7x-40, where c is the number of units sol
ra1l [238]

Answer:

The correct answer is 10 units.

Step-by-step explanation:

Profit function of a small business is given by P(x) = 0.3x^{2} + 7x - 40, where x is the number of units sold.

The small business intend to make a profit of $60.

To find out the number of units the business has to sell in order to have a profit of $60 is given by,

P(x) = 0.3x^{2} + 7x - 40 = 60

⇒ 0.3x^{2} + 7x - 100 = 0

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⇒ x = -70 ± \sqrt{(70)^{2} + 12000} × \frac{1}{6}

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6 0
3 years ago
Help me with this i tried it 4 times
Ivenika [448]

Answer:

65000

Step-by-step explanation:

(rounding to nearest thousands)

2014- 13000 sold

2015- 13000 more than 2014, so 26000

2016- same as 2016, 26000

just add them up-

13000+26000+26000= 65000

8 0
3 years ago
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