subject

Mathematics, 20.09.2020 15:01 walkerobrien5

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour after the time that she first checked her outdoor thermometer. By 6 a. m., the temperature had fallen 21 degrees. Which expression can you use to find how many hours earlier she had first checked the thermometer? Negative 21 divided by negative 1.4
Negative 1.4 divided by negative 21
Negative 21 divided by 1.4
21 divided by negative 1.4

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 19:30

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Answers: 1

question

Mathematics, 22.06.2019 01:00

Given the net of the rectangular prism, what is its surface area?

Answers: 1

question

Mathematics, 22.06.2019 04:30

7x^2-9x+5=0 find the discriminant and number of real solutions

Answers: 1

question

Mathematics, 22.06.2019 05:00

Nright triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx?

Answers: 2

You know the right answer?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour after the...

Questions

question

Chemistry, 28.06.2019 23:30

Mgcl2 + na2o nog+2nac what type of chemical reaction is this...

question

Health, 28.06.2019 23:30

Heart murmurs caused by a stenotic mitral valve heart murmurs caused by a stenotic mitral valve are detected while blood flow into the left ventricl...

question

English, 28.06.2019 23:30

When thinking about paragraph topics, you should choose a subject that can be adequately addressed in a. two to three paragraphs. b. a single paragrap...

question

Business, 28.06.2019 23:30

The overall population for region a is 87 million people. the labor force contains 44 million people, 29 million people are employed, and 15 million a...

question

Mathematics, 28.06.2019 23:30

Consider the function ln(1+9x). write a partial sum for the power series which represents this function consisting of the first 5 nonzero terms. for e...

question

Mathematics, 28.06.2019 23:30

The parts of a fraction must be equal sizes. 1. true 2. false...

question

Mathematics, 28.06.2019 23:30

Point e is the midpoint of side bc of parallelogram abcd (labeled counterclockwise) and ae ∩ bd =f. find the area of abcd if the area of △bef is 3 cm^...

question

Chemistry, 28.06.2019 23:30

3. the rate law for the reaction nh4+(aq) + no2–(aq) → n2(g) + 2h2o(l) is given by rate = k[nh4+][no2–]. at 25ºc, the rate constant is 3.0 × 10–4/ m ·...

question

Mathematics, 28.06.2019 23:30

In my house, the ratio of dogs to fish is 1: 10. the ratio of fish to cats is 6: 1. what is the ratio of dogs to cats?...

question

Mathematics, 28.06.2019 23:30

Find the value of x (picture provided)...

question

Biology, 28.06.2019 23:30

What forms the majority of the plasma membrane of cells...

question

Social Studies, 28.06.2019 23:30

When a person feels great sadness and shifts his feeling of anger inward ,we label it as (depression or sad)...

question

Mathematics, 28.06.2019 23:30

Adeck 48 cards is divided equally among 6 colors if red is one of the colors in the deck what is the probability that the first card drawn will be red...

question

Business, 28.06.2019 23:30

Carlisle carpets has cost of goods sold of $92,511, interest expense of $4,608, dividends 16) paid of $3,200, depreciation of $14,568, an increase in...

question

Mathematics, 28.06.2019 23:30

What is -4x with an exponent of zero?...

question

Business, 28.06.2019 23:30

Ingrum corporation produces and sells two products. in the most recent month, product r38t had sales of $30,500 and variable expenses of $8,340. produ...

question

History, 28.06.2019 23:30

Was the end of communism in the ussr positive or negative for former soviet republics? explain....

question

Computers and Technology, 28.06.2019 23:30

The polarbear class is defined as follows name: string // this is the polarbear's personal name location: string ii this is the name of the country...

question

Mathematics, 28.06.2019 23:30

Chris need a graphing calculator for math class c find a $60 model on sale for 15% off if you decide to buy this calculator how much will the sale pri...

question

Computers and Technology, 28.06.2019 23:30

The mean of a list of numbers is its arithmetic average. the median of a list is its middle value when the values are placed in order. for example, if...

More questions: Mathematics Another questions

Questions on the website: 13722367