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Marianna [84]
3 years ago
14

What is the quotient? -4/5÷2. A -1 3/5 B -2/5 C 1/2 D 1 3/5​

Mathematics
1 answer:
Travka [436]3 years ago
3 0
The answer is “B” -2/5
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(02.03)
Dmitry [639]

The use of ratio language was used in the following sentences:

For every 1 students out of school, there are 10 students in school

For every 5 apples John eats, he eats 20 boxes of chocolate

For every 5 minutes,  study, I sleep for 1 hour

Ratio is used to show the relationship that exists between numbers. It shows the frequency of the number of times that value of one number is contained within the value of another number or numbers

For example, There are 3 apples and 20 oranges. If I want to express the relationship between apples and oranges as a ratio. The ratio will be 3 : 20 . It means for every 3 apples, there are 20 oranges.

To learn more about ratios, please check: brainly.com/question/13419413?referrer=searchResults

8 0
3 years ago
Help me plzzz all i need is this plz
Rashid [163]

Step-by-step explanation:

70*+ 30* (* means degree)

the 30 degree is only a imagination....

70+30=90*. so x is equal to 30*

6 0
3 years ago
You need $160 to buy a mountain bike. You earn
Lesechka [4]

first of all b. is 6 because you need to mow 6 lawns in order to get 160$ in one week

but im still trynna figure out a so gimme a sec

3 0
3 years ago
What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30​
Zepler [3.9K]

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}

.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8

6 0
4 years ago
The ability to examine the variability of a solution due to changes in the formulation of a problem is an important part of the
never [62]

Answer:

sensitivity analysis

Step-by-step explanation:

The ability to examine the variability of a solution due to changes in the formulation of a problem is an important part of the analysis of the results. This type of analysis is called Sensitivity analysis.

It helps us figure out the robustness of a system or model in the presence of an uncertainty

It also increases the relationship between the inputs and outputs from the system or model

6 0
3 years ago
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