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Biblioteka

HW 2/14: Operations w/Positive and Negative Numbers #2

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Pitanje 1
1.

A fish is 12 meters below the surface of the ocean. What is its elevation?

Pitanje 2
2.

A sea bird is 28 meters above the surface of the ocean. What is its elevation?

Pitanje 3
3.

If the bird is directly above the fish, how far apart are they?

Pitanje 4
4.

Compare using >, =, or <.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

>

arrow_right_alt

3 _____ -3

>

arrow_right_alt

12 _____ 24

=

arrow_right_alt

-12 _____ -24

<

arrow_right_alt

5 _____ -(-5)

>

arrow_right_alt

7.2 _____ 7

Pitanje 5
5.

Compare using >, =, or <.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

<

arrow_right_alt

-7.2 _____ -7

=

arrow_right_alt

-1.5 _____ -1.5

<

arrow_right_alt

-0.80 _____ -1.2

>

arrow_right_alt

-0.60 _____ -0.6

=

arrow_right_alt

-0.66 _____ 0.33

Pitanje 6
6.

Han wants to buy a $30 ticket to a game, but the pre-order tickets are sold out. He knows there will be more tickets sold the day of the game, with a markup of 200%.

How much should Han expect to pay for the ticket if he buys it the day of the game?

Pitanje 7
7.

A cyclist rode 3.75 miles in 0.3 hours.

How fast was she going in miles per hour?

Pitanje 8
8.

A cyclist rode 3.75 miles in 0.3 hours.

At that rate, how long will it take her to go 4.5 miles?

Pitanje 9
9.

A recipe for sparkling grape juice calls for 1\frac{1}{2} quarts of sparkling water and \frac{3}{4} quart of grape juice.

How much sparkling water would you need to mix with 9 quarts of grape juice?

Pitanje 10
10.

It takes an ant farm 3 days to consume \frac{1}{2} of an apple.

At that rate, in how many days will the ant farm consume 3 apples?

Pitanje 11
11.

At midnight the temperature is -6oC. At midday the temperature is 9oC. By how much did the temperature rise?

Pitanje 12
12.

Complete each statement with a number that makes the statement true.

(Find the way to make every statement true with the given numbers.)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

4oC

arrow_right_alt

_____ <7oC

-0.7oC

arrow_right_alt

_____ <-3oC

5oC

arrow_right_alt

-0.8oC< _____ <-0.1oC

-8oC

arrow_right_alt

_____ >-2oC

Pitanje 13
13.

Noah was assigned to make 64 cookies for the bake sale. He made 125% of that number. 90% of the cookies he made were sold.

How many of Noah's cookies were left after the bake sale? (Round to the lowest whole number)

Pitanje 14
14.

What is the final elevation if

A bird starts at 20 m and changes 16 m?

Pitanje 15
15.

What is the final elevation if

A butterfly starts at 20 m and changes -16 m?

Pitanje 16
16.

What is the final elevation if

A whale starts at -9 m and changes 11 m?

Pitanje 17
17.

What is the final elevation if

A fish starts at -9 meters and changes -11 meters?

Pitanje 18
18.

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%.

Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

Pitanje 19
19.

Add.

51.8 + (-0.8)

Pitanje 20
20.

Add.

-81.4 + (-12)

Pitanje 21
21.

Rectangles P, Q, R, and S are scaled copies of one another. For each pair, decide if the scale factor from one to the other is greater than 1, equal to 1, or less than 1.

  • From S to P

  • From R to P

  • From Q to R

  • From P to R

  • From P to S

  • From P to Q

  • From Q to S

  • Less Than 1

  • Greater Than 1

  • Equal To 1

Pitanje 22
22.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

C.

arrow_right_alt

5

D.

arrow_right_alt

1

E.

arrow_right_alt

4

F.

arrow_right_alt

2

B.

arrow_right_alt

3

A.

arrow_right_alt

6

Pitanje 23
23.

At the supermarket you can fill your own honey bear container. A customer buys 12 oz of honey for $5.40.

How much does honey cost per ounce?

Pitanje 24
24.

Select all of the scenarios or expressions that have a value of 0.

Pitanje 25
25.

In one day, a hiker climbed up a mountain a vertical distance of 100 feet, down a vertical distance of 23 feet, up a vertical distance of 25 feet, and down a vertical distance of 36 feet. What was the elevation of the hiker by the end of the climb in relation to where he started hiking?