Use the information below to calculate the rate of the reaction. [a]=2.3 m [b]=1.5 m k=0.011 m-2s-1

Answers

Answer 1

Answer:

Answer:

R=k(a) (b) where r equals rate of the reaction

=0.011×2.3×1.50.03795

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What is the rate of change for the interval between 0 and 2 for the quadratic equation as f(x) = 2x2 + x – 3 represented in the table? (The table has this: Left side X and the options going down are -2, -1, 0, 1, 2. Right Side f(x) and the options going down are 3, -2, -3, 0, 7) THE ANSWER OPTIONS ARE: 1/5, 4, 5, 10

Answers

By definition the rate of change of a function is given by:
$AVR = (f(x2) - f(x1))/(x2 - x1)$
For the interval [0, 2] We have to make use of the table:
$f(0)=-3 f(2)=7$
Therefore, substituting values in the given expression we have that the average change of rate is given by:
$AVR = (7-(-3))/(2-0)$
Rewriting we have:
$AVR = (7+3)/(2-0)$
$AVR = (10)/(2)$
$AVR = 5$
Answer:
the rate of change for the interval between 0 and 2 is:
$AVR = 5$

Answer:

Step-by-step explanation:

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To the nearest tenth, what is the length of the hypotenuse of a right triangle if one side measures 4.5 meters and the other side measures 9 meters?1) 10.1 meters
2) 20.3 meters
3) 101.3 meters
4) 202.6 meters

Answers

C squared= a squared + b squared
C squared = 4.5 squared + 9 squared
C squared = 20.25 + 81
C squared = 101.25
Square root 101.25 you get 10.06 round up and you get the answer to be number 1

the answer is 1) 10.1 meters

According to the pythagora theorum,

h² = a² + b²

h² = 4.5² + 9²

= 20.25 + 81

thus, h² = 101.25

thus, h = √101.25

thus, h = 10.06230589 units, or 10.1 rounded to the nearest tenth

If the volume of a certain pyramid is x and another pyramid is made which is 7 times larger (that is, all the linear dimensions have been increased by a factor of 7), what is the volume of the new pyramid (in terms of x)?

Answers

The volume of the new pyramid is given by:

$V = 343x$

The volume of a pyramid of radius r and height h is given by:

$V = (\pi r^2h)/(3)$

Initially, we suppose that the volume is x, that is:

$V = (\pi r^2h)/(3) = x$

Then, dimensions are multiplied by 7, that is, $r = 7r$ and $h = 7h$ , thus:

$V = (\pi (7r)^2(7h))/(3)$

$V = 343(\pi r^2h)/(3)$

$V = 343x$

A similar problem is given at brainly.com/question/21334693

Answer:

Step-by-step explanation:

Which is an equation of the line that passesthrough the point (-4, 4) and is parallel to the line y= 1/2x - 4?

Answers

Answer:

y=1/2x+6

Step-by-step explanation:

Lines that are parallel will have the same slope, so the slope will remain 1/2. However, the y-intercepts can't be the same because then they will overlap each other instead. So we must solve for the missing y-intercept in this case:

y = 1/2x + b

4 = 1/2(-4) + b

4 = -2 + b

6 = b

b = 6

Since the y-intercept is b=6, then the equation of the line that passes through the point (-4,4) and is parallel to the line y=1/2x-4 is y=1/2x+6

Which of the following options best describes the function graphed below?A graph shows a slanting straight line that starts at the origin and goes up.
Nonlinear increasing Nonlinear decreasing Linear increasing Linear decreasing I believe the answer is C. but I also think its D but I'm seriously stuck

Answers

Answer:

The graph of the function is:

Linear increasing.

Step-by-step explanation:

We are given a graph such that it is a slanting straight line.

This means that the relationship is linear.

Also the graph starts at origin and goes up.

This means that the graph of the function is continuously increasing.

Hence, the option that best describes the function graphed is:

Linear increasing.

It is going to be : Linear increasing (C)

Fred works for $8.75 per hour. His regular hours are 40 hours per week and he gets time and a half for overtime. One week he works 47.5 hours. He wants to calculate his pay.

Answers

For the first 40 hours, he gets 8.75/hour, so 40*8.75 = 350. For the last 7.5 hours, he gets (8.75*1.5)/hour. 8.75*1.5 = 13.125/hour, or 13.13/hour. Then do 13.13/hour * 7.5 hours = 98.48. Now add together 350 and 98.48. That equals $448.48 total for the week

Answer:

350, 13.13/hour, 98.48, 448.48.

Step-by-step explanation:

It's not clear where the answer is above, so I found it and put it here.

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