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3 years ago

67 people are running a race. How many different ways can there be a 1st, 2nd, and 3rd place winner?

Mathematics

1 answer:

Harrizon [31]3 years ago

5 0

Probably by gender and age. Different age groups get first second and third.

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The equation of the graph shown plotted in the coordinate plane is y = x + 4. What statement is not true about this graph? A. Ea

frez [133]

Definately option C

As it's mentioned y=x+4 it must be function
So in function every domain has its unique range.
Hence here the slope is not constant

The graph shown is a parabola which is not y=x+4

So option C is wrong

7 0

3 years ago

Read 2 more answers

What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?

Ainat [17]

Answer:

The average rate of change is -3.

Step-by-step explanation:

Given : Function $f(x)=-3x+79$ over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function $f(x)=-3x+79$ over [2,4]

The rate of change is the slope of the line,

So, $\text{Rate of change}=\frac{f(4)-f(2)}{4-2}$

$f(4)=-3(4)+79$

$f(4)=-12+79$

$f(4)=67$

$f(2)=-3(2)+79$

$f(2)=-6+79$

$f(2)=73$

Substitute,

$\text{Rate of change}=\frac{67-73}{4-2}$

$\text{Rate of change}=\frac{-6}{2}$

$\text{Rate of change}=-3$

Therefore, The average rate of change is -3.

8 0

3 years ago

Read 2 more answers

Which quadratic equation is equivalent to (x + 2)^2 + 5(x + 2) - 6 = 0?

Ber [7]

Answer:

$x^2$ + 9x + 8 = 0

Step-by-step explanation:

First, we have to simplify this quadratic equation:

(x+2)^2 + 5(x+2) - 6 = 0

x^2 + 4x + 4 + 5x + 10 - 6 = 0

x^2 + 9x + 8 = 0

5 0

2 years ago

2 Find the Surface area of the prism. (2 Points) 5 in 3 in 8 in 4 in

MrRa [10]

Answer:

The surface area of the prism is 108 square in.

3 0

3 years ago

The formula for the circumference of a circle is c=2r,where r is the radios

Sedbober [7]

PI x diameter squared

6 0

3 years ago