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astraxan [27]
3 years ago
11

Which of the following describes all the solutions to the inequality 5x+7y=22 when y=-4

Mathematics
1 answer:
Kryger [21]3 years ago
4 0
Substitute...
5x + 7(-4) = 22
5x - 28 = 22
+ 28 + 28
5x = 50
__ ___
5 5

x = 10
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16 :)

Step-by-step explanation:

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How many people can seat a theater if there are 156 seats and each row of seat has 13 rows.how many have a seat?
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3 years ago
A social media website had 350,000 followers in 2010. The number y of followers
Zolol [24]

Answer:

a) y(t) = 350(1.02)^t

b) 394 thousand = 394,000 people will be following the website in 2016

Step-by-step explanation:

Exponential equation for an amount:

The exponential equation for an amount after t years has the following format:

y = y(0)(1+r)^t

In which y(0) is the initial value and r is the growth rate, as a decimal.

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This means that: y(0) = 350, r = 0.02

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In thousands:

y(t) = 350(1 + 0.02)^t

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b. How many people will be following the website in 2016?

2016 is 6 years after 2010, so this is y(6).

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Rounding to the nearest thousand:

394 thousand = 394,000 people will be following the website in 2016

5 0
3 years ago
Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost
amm1812
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3 0
2 years ago
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Given are three married couples.

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So, number of ways is 3! = 3*2*1 = 6 ways.

5 0
3 years ago
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