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1 year ago

12

During a 5-kilometer run to raise money for the school band, Tabitha ran 0.08 kilometer per

1 answer:

Thepotemich [5.8K]1 year ago

7 0

Answer:

True

0.08 km/ 1 min = 1 mi = 1.61 km

answer rounds to 0.05

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Which algebraic expressions are polynomials? Check all that apply. x2y 2 – 4x3 + 12y – x2 – 16 3.9x3 – 4.1x2 + 7.3

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Polynomials are the expressions that contain two or more algebra terms - constants, variables and their powers of a particular variable. The simple example of a polynomial is $2x^{2} + 3x^{3} + 5x + 2$

In the given question,
<span>9x3 – 4.1x2 + 7.3 is the polynomial because it has different powers of same variable x and does not contain any other variable.</span>

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Make a list of complete sentences that describe five applications of the building blocks of geometry in the real world.

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Answer:

1. constructing a house

2. building a car

3. laying pipe our conduit

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2 years ago

Suppose the function H(t) gives the heart rate of a runner at various points in time (in minutes) during a 5 mile run, which tak

Marrrta [24]

Answer:

[0, 57.5]

<em>OR</em>

0 - 57.5

Step-by-step explanation:

Given the function $H(t)$ which gives the heart rate as per time.

That means Heart rate of the runner changes according to time.

$H(t)$ is a function which takes Time as input as observed by the function's representation. In bracket, there is $t$ .

That also means time $t$ is the input to the function $H(t)$ .

It is also given that during the time as the runner runs, the heart beat will change.

The output of the given function will be Heart beat of the runner.

Time taken to complete the run is given as 57 minutes and 30 seconds.

Domain of a function is the valid inputs that can be given to the function for which the output of the function is defined.

Here, time in minutes is the input to the function.

So, maximum time can be 57.5 minutes.

And as the runner will start from the time = 0 minutes

So, the valid inputs can be from <em>0 to 57.5 minutes.</em>

Therefore, the domain is [0, 57.5]

<em>OR</em>

0 - 57.5

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2 years ago

Melanie is making lemonade and finds a recipe that calls for 1 part lemon juice, 2 parts sugar, and 8 parts water. She juices 2

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1 year ago

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Wade bicycles at a speed of 10 miles an hour and arrives at his office in only 15 minutes. What is the distance in miles to his

bulgar [2K]

Answer:

The distance to his office is 2.5 miles.

Step-by-step explanation:

Given : Wade bicycles at a speed of 10 miles an hour and arrives at his office in only 15 minutes.

To find : What is the distance in miles to his office?

Solution :

The relationship between distance, speed and time is

$\text{Distnace}=\text{Speed}\times \text{Time}$

The speed of bicycle is 10 miles per hour.

Time taken is 15 minutes.

Converting into hours,

1 hour = 60 minutes

1 minute = $\frac{1}{60}$ hours

15 minute = $\frac{15}{60}$ hours

15 minute = 0.25 hours

Substitute the value sin the formula,

$\text{Distnace}=10\times0.25$

$\text{Distnace}=2.5$

Therefore, The distance to his office is 2.5 miles.

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2 years ago