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slavikrds [6]
3 years ago
9

#A crane is lowering a concrete block from a height of 240 feet above the ground at a constant rate of 4.8 feet per second.

Mathematics
1 answer:
Anna007 [38]3 years ago
7 0

Answer:

2

Step-by-step explanation:

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Suppose xy > 0. Describe the points whose coordinates are solutions to the inequality.
Elan Coil [88]

The solutions fo the inequality are all the points (x, y) that meet these 3 conditions.

  • x ≠ 0
  • y ≠ 0
  • Sign(x) =sign(y)

<h3>Which points are solutions of the inequality?</h3>

We want to find points of the form (x, y) that are solutions of the inequality:

x*y > 0

Clearly x and y must be different than zero.

So, for example if x = -1, y can be any negative number, for example y= -3

x*y > 0

(-1)*(-3) > 0

3 > 0

This is true.

Now if x  = 1, y must be positive. LEt's take y = 103, then:

x*y > 0

1*103 > 0

103 > 0

Then we have 3 conditions:

  • x ≠ 0
  • y ≠ 0
  • Sign(x) =sign(y)

The solutions fo the inequality are all the points (x, y) that meet these 3 conditions.

If you want to learn more about inequalities:

brainly.com/question/25275758

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4 0
2 years ago
What is the best estimate for the quotient 5,397 divided by 62
shusha [124]
The best, closest quotient would be 87.
4 0
3 years ago
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What is the value of the this expression when a=5 and k=-2
Marizza181 [45]

Answer:

Where is the equation

Step-by-step explanation:

7 0
4 years ago
Will mark brainliest for full answer
Svet_ta [14]

Answer:

y=2

Step-by-step explanation:

Hope it helps

5 0
3 years ago
Brandon buys a radio for 48.43 dollars in a state where the sales tax is 7% ​
Elza [17]

Answer:

Given : Brandon buys a radio for $43.99 .sales tax  rate is 7%.sales tax is a consumption tax imposed by the government on the sale of goods and services.

Let the price of Radio before the sales tax be $x. Sales tax on $x is 7% x.

Price before sales tax + Amount of sales tax= Cost of Radio.

x+7%x =43.99

Or x+0.07x=43.99

1.07x=43.99

Dividing both sides by 1.07.

x= 41.11

Cost of Radio before tax = $41.11

Sales tax paid = 43.99-41.11= 2.88

Tax paid = $2.90 (To the nearest cent)

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
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