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nirvana33 [79]
4 years ago
5

1. Round this number to the nearest hundred.

Mathematics
1 answer:
anastassius [24]4 years ago
6 0
For rounding, if the place one more to the right of the place you are rounding is 0-4, you go down. If it is 5-9, then round up. For the first one, you are rounding to hundreds, so look at the tens. It ends on a 5, so round up. Making the number 700. For the second one, look at the tens again, and you see it is more than 5, so it is 800. The last one is tricky, but do-able. Look at the hundreds. It’s a four. So that means you keep the same number, making it 6,000. I hope this helps!
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B(t)=50(1.4)^t
olasank [31]
B (t) = 50 (1.4) ^ t
 What is the y-intercept of the function? 
 The intersection with the y-axis of the function you find when x = 0.
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 Answer: 
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8 0
3 years ago
Devon babysits x hours a week after school for 5$ an hour, and also has a job as a cashier y hours a week for $10 an hour. He wa
Papessa [141]

Answer:

The inequality expression are  5x + 10y\geq\$70 \ and \ x + y \leq 10 hours

Step-by-step explanation:

Given:

Number of hours for babysitting for a week = x \ hours

Charge for baby sitting = 5$ an hour

Money earned for babysitting in x hours = 5x

Number of hours for cashier for a week = y \ hours

Charge for Cashier = $10 an hour

Money earned for Cashier in y hours = 10y

He wants to earn at least 70$.

Hence the expression becomes.

5x + 10y \geq 70 \$

Also,

He can’t work any more than 10 hours a week

Hence the expression becomes.

x + y < 10 \ hours

Inequality equation for the given statements are:

The inequality expression are  5x + 10y\geq\$70 \ and \ x + y \leq 10 hours

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