During an experiment, the temperature of a substance increased at a constant rate of three degrees Celsius (°C) per hour. Which graph represents this relationship?

Answers

Answer 1

Answer:

A graph which represents this relationship between the temperature of a substance and time is shown in image.

What is a graph?

In Mathematics, a graph can be defined as a type of chart that is typically used for the graphical representation of data points on both the horizontal and vertical lines of a cartesian coordinate, which are the x-coordinate (x-axis) and y-coordinate (y-axis).

In Science, temperature can be defined as a measure of either the degree of hotness or coldness of a physical body (object).

Since, the temperature of a chemical substance increased at a constant rate of three degrees Celsius (3°C) per hour, a graph which represent the relationship that exist between the temperature of a substance and time is shown in the image attached below.

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Answer 2

Answer:

see attachment for the answer to the problem.

Answer:

The value of x is: 2.5 units

Step-by-step explanation:

Two triangles are said to be similar if the ratio of the corresponding sides of the two triangles are equal.

i.e. if two triangles ΔABC and ΔDEF are similar such that the sides of the triangle ABC are a, b and c and the corresponding sides in ΔDEF are d,e and f respectively then we have:

$(a)/(d)=(b)/(e)=(c)/(f)$

Here we have the base length of the orange i.e. the quadrant above the x-axis as: 8 units

and the base length of the similar triangle i.e. triangle below x-axis as: 4 units.

i.e. we have: a=8 and d=4

and b=5 and e=x

Hence, we have:

$(5)/(x)=(8)/(4)$

i.e.

$x=(5* 4)/(8)$

Hence, we have:

$x=2.5$

We have
$(5)/(x) = (8)/(4) \: so \n 20 = 8x \: so \n x = (20)/(8) = (10)/(4) = (5)/(2) = 2 (1)/(2)$

Monty can use the number line to find an equivalent fraction with a denominator greater than 6

Answers

Yes, Monty can use the number line to find an equivalent fraction with a denominator greater than 6.

For Example,

Consider $(5)/(7)$

The equivalent fraction of $(5)/(7)$ is $(25)/(35)$ .

So, yes you can represent $(5)/(7)$ on a number line by putting 6 lines between 0 and 1 and Can Represent $(25)/(35)$ by putting 34 lines between 0 and 1.

There is no effect of denominator to find equivalent fraction of any rational number, whether the denominator is greater than 6 or less than 6, but denominator should not be equal to Zero.

We can find equivalent fraction of any rational number , the denominator of that rational number should not be equal to Zero.

Is this math? What's the question ?

A train leaves the station at time t=0. Traveling at a constant speed, the train travels 280 kilometers in 2 hours. Answer parts a and b.a. Write a function that relates the distance traveled d to the time t.

The function that relates the distance traveled d to the time t is

Answers

The function that relates the distance travelled d to the time t is d = f(t) = 140t.

What is Speed?

Speed is a scalar quantity which measures the rate of change of the position of an object without measuring on the direction.

In other words, it can be defined as the ratio of distance covered by an object to the time taken by the object to cover the distance.

The train leaves the station at time t = 0.

Distance travelled by the train = 280 kilometers

Time taken to travel the distance = 2 hours

Speed = Distance / Time

= 280 / 2

= 140 kilometers/ hour.

Given that train travels at a constant speed.

So for any distance 'd' and the time taken to travel the distance 't',

d / t = 140

d = 140t

d = f(t) = 140t

Hence the distance travelled by the train can be related to the time taken by the function, d = f(t) = 140t

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Answer:

d = 140t

Step-by-step explanation:

0.05061 to 3 significant numbers

Answers

Answer:

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aizahjamil2010 avatar

aizahjamil2010

11.02.2023

Math

Primary School

answered

D) Correct to one significant figure: 0.0506

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sabrinaeumina

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Answer:

Words zero point zero five zero six

Step-by-step explanation:

0.0506

0.0506 contains 3 significant figures and 4 decimals. 0.0506 rounded to 2 sig figs is 0.05, and to 1 sig figs is 0.1. To count the number of sig figs in 0.0506, strip the leading insignificant digits (0.0) to get the significant digits (506).

Result 0.0506

Sig Figs 3 (0.0506)

Decimals 4 (0.0506)

Scientific Notation 5.06 × 10-2

E-Notation 5.06e-2

Words zero point zero five zero six

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Answer:

Words zero point zero five zero six

Step-by-step explanation:

0.0506

Result 0.0506

Sig Figs 3 (0.0506)

Decimals 4 (0.0506)

Scientific Notation 5.06 × 10-2

E-Notation 5.06e-2

Words zero point zero five zero six

t the following in order for the most area in the tails of the distribution. (a) Standard Normal Distribution (b) Student's t-Distribution with 5 degrees of freedom. (c) Student's t-Distribution with 20 degrees of freedom. (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) Choose the correct answer below. (c), (a), (b) (b), (c), (a) (b), (a), (c) (a), (c), (b) (a), (b), (c)

Answers

Answer:

(b), (c), (a)

Step-by-step explanation:

The Most area in the tails of the distribution can be ordered as :

Student t-distribution with 5 degrees ( b )
Student's t-distribution with 20 degrees ( c )
Standard Normal Distribution ( a )

T-distribution is a continuous probability distribution that is applied when the population is small and when the population standard deviation is not given

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