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2 years ago

If you typed a 36-word paragraph in 2/3 of a minute what is the typing speed in words per minute

Mathematics

1 answer:

Eduardwww [97]2 years ago

6 0

Answer:

54 words per minute

Step-by-step explanation:

36/(2/3)=54

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Christa wrote 1 page in 2/3 hour. Which is Christa's writing rate per hour?

Fantom [35]

Answer:

3/2 pages per hour

Step-by-step explanation:

1 : 2/3

= 3/2 : 1

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3 years ago

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If an airplane’s speed is 850 miles/hour ? What is it’s speed in meters/seconds

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Answer:

379.984 meters per second.

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3 years ago

Determine if this graph is an example of a function. A. Relation B. Function

Mars2501 [29]

Think about what relation and function are.

Relation: can have many outputs and one input

Function: One output or one input

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2 years ago

Write an equation of the line with a slope of 3 and a y-intercept of 4.5

Rudiy27

Answer:

Step-by-step explanation: you answered the question

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3 years ago

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I just need help explaining it. solve the system of equation

Maksim231197 [3]

SOLUTION

Write out the equation

$\begin{gathered} y=\frac{1}{3}x-3 \\ 5x-3y=-3 \end{gathered}$

To solve this system of equation, the aprropriate method will be substitution

Substitute the expression for y into the second equation for y, we have

$5x-3(\frac{1}{3}x-3)=-3$

Expand the paranthesis we have

$\begin{gathered} 5x-x+9=-3 \\ \text{Simplify},\text{ by subtracting 9 from both sides } \\ 4x+9-9=-3-9 \\ 4x=-12 \end{gathered}$

Divide both sides by 4, we have

$\begin{gathered} \frac{4x}{4}=-\frac{12}{4} \\ \text{Then} \\ x=-3 \end{gathered}$

Since the value of x has been obtained, we substitute into the first equation

$\begin{gathered} y=\frac{1}{3}x-3 \\ \text{ recall x=}-3 \\ y=\frac{1}{3}(-3)-3 \\ y=-1-4 \\ \text{Hence } \\ y=-4 \end{gathered}$

Therefore

x = -3, y= -4

6 0

1 year ago