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Operations w/Positive and Negative Numbers #4

Last updated almost 2 years ago
25 questions
1

-2(8)(-5)

1

-9(5)

1

1

1

4.7(-0.5)

1

-0.8 ∙ -0.3

1

Add.

…
1

Add.

…
1

Find the solution to each equation.

…
1

Find the solution to each equation.

…
1

What is the difference in height between an albatross flying at 100 m above the surface of the ocean and a shark swimming 30 m below the surface?

What is the distance between them if the shark is right below the albatross?

1

Find each difference.

1

Find each difference.

1

Find each difference.

1

A family goes to a restaurant. When the bill comes, this is printed at the bottom of it:

How much was the price of the meal?(Round to the nearest cent)

1

Which graphs could not represent a proportional relationship?

1

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:
in 2 hours?

…
1

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:
in 5 hours?

…
1

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:
in half an hour?

…
1

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

What was the temperature:
1 hour ago?

…
1

A half circle is joined to an equilateral triangle with side lengths of 12 units.
What is the perimeter of the resulting shape? (Round to the nearest hundreth)

1

The circumference of Tyler's bike tire is 72 inches.

What is the diameter of the tire? (Round to the nearest whole number.)

1

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48.

The height of the model train is 102 millimeters. What is the actual height of the train in meters?

1

At a deli counter,

  • Someone bought 2.75 pounds of ham for $14.50.
  • Someone bought 2.5 pounds of turkey for $26.25.
  • Someone bought 0.375 pounds of roast beef for $5.50.
Order the meats in order from cheapest to most expensive per pound.(Cheapest on top most expensive on bottom)

  1. Roast beef
  2. Ham
  3. Turkey
1

Crater Lake in Oregon is shaped like a circle with a diameter of about 5.5 miles.

What is the area of the surface of Crater Lake?