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3 years ago

When would you use a negative number to describe a real world amount? Give an example

Mathematics

1 answer:

Dvinal [7]3 years ago

8 0

When owe the bank some money or some friends so it could be -1.7h+19.7=187

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A balloon is 4 ft above the ground. It is released and floats up 3 ft every second. Write an equation to model the height of the

ASHA 777 [7]

Answer:

4+(3 times x)= height of balloon. x = seconds

Step-by-step explanation:

5 0

3 years ago

Which values are solutions to the inequality –3x – 4 < 2? Check all of the boxes that apply.

luda_lava [24]

Answer:

$x>-2$

Step-by-step explanation:

We will need to solve the inequality:

–3x – 4 < 2

Before starting we need to understand 1 rule of inequalities. That is:

We change the inequality sign whenever we multiply or divide by a negative number. That means

< changes to >

and

≥ change to ≤

and vice versa...

Now, let's go ahead and solve the inequality:

$-3x-4$

"x" is the set of all values that is greater than "-2". So that's the answer.

x > -2

4 0

3 years ago

Read 2 more answers

Claire was out at a restaurant for dinner when the bill came. Her dinner came to $26. After adding in a tip, before tax, she pai

Kryger [21]

Answer:

0.0312

Step-by-step explanation:

You subtract 29.12 by 26 which equals 3.12

Then you divide by 100 which equals 0.0312

7 0

3 years ago

Read 2 more answers

If the demand function for a commodity is given by the equation

Jet001 [13]

Answer:

q=26.92 p=31.13

Step-by-step explanation:

$p^{2} +16q=1400\\\\q=\frac{1400-p^{2} }{16} ;\\\\700-p^{2} +10q=0\\\\q=\frac{p^{2}-700 }{10} ;\\\\$

$q=q\\\\\frac{1400-p^{2} }{16} =\frac{p^{2}-700 }{10} \\\\10(1400-p^{2})=16(p^{2}-700)\\\\14000-10p^{2}=16p^{2}-11200\\\\14000+11200=16p^{2}+10p^{2}\\\\25200=26p^{2}\\\\p^{2}=\frac{25200}{26} \\\\p=+\sqrt{\frac{25200}{26}} \\\\p=31.13$

replace p in any equation and

$q=\frac{1400-p^{2} }{16} \\\\q=\frac{1400-(31.13)^{2} }{16}\\\\q=26.92$

3 0

3 years ago

In 4 hours, you hike 10 miles.

HACTEHA [7]

Answer:2.5 miles per hour
Reason: Your traveling at 2.5 miles per hour for a total of 4 hours.

8 0

3 years ago