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3 years ago

Determine Which ratio forms a proportion with 7/2 by finding a common multiplier.

Mathematics

2 answers:

valkas [14]3 years ago

7 0

B will work very nicely. Just multiply 10/10 by 7/2 and you will get 70/20.

rusak2 [61]3 years ago

7 0

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

The ratio forms a proportion with $\frac{7}{2}$

By finding a common multiplier

A) $\frac{35}{8}$ can't be written as $\frac{7}{2}$

C) $\frac{28}{10}=\frac{14}{5}$ can't be written as $\frac{7}{2}$

D) $\frac{70}{8}=\frac{35}{4}$ can't be written as $\frac{7}{2}$

But,

B ) $\frac{70}{20}=\frac{7}{2}$ is correct .

Hence, Option 'B' is correct.

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At sunset the temperature was 4 dgrees. the next morning at sunset it was -7 degrees. what is the difference betweeen these temp

DedPeter [7]

The difference between these temperatures for the sunset is found as 11 degrees.

<h3>What is temperature difference?</h3>

In science, the term Delta T (ΔT) refers to the temperature between two measuring points. The temperature varies according to time and/or location.

Some key features regarding the temperature difference are-

Merus, for example, uses it to assess the effectiveness of such a heat exchanger.
Or to evaluate the effectiveness of a heating or cooling system.
A fourth letter of a Greek alphabet is, (Δ). Whereas is the capital letter symbol and the lower case letter.
The sign is also used in mathematics. Describes the "difference" between any two changeable quantities. T is a value in a process that represents a difference between two observed temperatures.

Now, according to the question;

Let the initial temperature be 'T' = 4 degrees.

Let the final temperature be 't' = -7 degrees.

Therefore, the temperature difference is;

ΔT = T - t

= 4 - (-7)

= 4 + 7

ΔT = 11

Therefore, the difference between these temperatures is 11 degrees.

To know more about the temperature difference, here

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8 0

1 year ago

MATHEMATICS<br> Evaluate (0.110 two)³ expressing your answer in base ten.

zysi [14]

Evaluating (0.110 two)³ in base ten is (343/512) ten

The question has to do with number base

<h3>What is number base?</h3>

A number base is a system of numbering used to represent numbers.

<h3>How to evaluate (0.110 two)³ in base ten.</h3>

Since we have (0.110 two)³,we desire to convert 0.110 two to base ten.

So, converting 0.110 two to base ten, following the procedure, we have that

0.110 two = 0 × 2⁰ + 1 × 2⁻¹ + 1 × 2⁻² + 1 × 2⁻³

= 0 × 2⁰ + 1 × 1/2¹ + 1 × 1/2² + 1 × 1/2³

= 0 × 1 + 1 × 1/2 + 1 × 1/4 + 1 × 1/8

= 0 + 1/2 +1/4 + 1/8

= (4 + 2 + 1)/8

= 7/8

So, thus 0.110 two = (7/8) ten

Thus we see that (0.110 two)³ = (7/8)³ ten

= (343/512) ten

So, expressing (0.110 two)³ in base ten is (343/512) ten

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4 0

1 year ago

Random walk. A Java programmer begins walking aimlessly. At each time step, she takes one step in a random direction (either nor

ankoles [38]

Step-by-step explanation:

Hi, your question isn't totally complete. Here's the likely full question:

Random walk. A Java programmer begins walking aimlessly. At each time step, she takes one step in a random direction (either north, east, south, or west), each with probability 25%. She stops once she is at Manhattan distance r from the starting point. How many steps will the random walker take? This process is known as a two-dimensional random walk.

Write a program RandomWalker.java that takes an integer command-line argument r and simulates the motion of a random walk until the random walker is at Manhattan distance r from the starting point. Print the coordinates at each step of the walk (including the starting and ending points), treating the starting point as (0, 0). Also, print the total number of steps taken.

7 0

3 years ago

It is a little blurry

Yanka [14]

Answer:

i think 120, im not quite sure, im not the best at this

Step-by-step explanation:

4 0

2 years ago

"Point D has the same x-coordinate as the y-coordinate as B same same y-coordinate as the x-coordinate of point A." I need help

erik [133]

Let's name the x-coordinates and y-coordinates

x-coordinate = abscicca
y-coordinate = ordinate

So, According to question

Abscicca of Point D = Ordinate of Point B
Ordinate of Point D = Abscicca of Point A

Abscicca of Point A = 2

Ordinate of Point B = -4

Point D = (-4,2)

4 0

2 years ago