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Serjik [45]
3 years ago
5

A rate written as 80 miles per hour is an example of a

Mathematics
1 answer:
AleksAgata [21]3 years ago
7 0
I have no clue so sorry
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C. Show that 1 1/2 ÷ 3/16 = ? <br> show all the steps of your working
Pani-rosa [81]

Answer: 8

Step-by-step explanation: (1 1/2) / (3/16) > (3/2) x (16/3) > (48/6) > 8

3 0
3 years ago
Divide the rational expressions <br> (X/x+1)(2/x)
saveliy_v [14]

( 1 + 1 )( 2/x )

(2)(2/x)

4/x

that's basically it

3 0
3 years ago
What is Measured in length
Oduvanchick [21]

Answer:

One Dimension

Step-by-step explanation:

"Length is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed)." ~ GOOGLE

5 0
3 years ago
Read 2 more answers
If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)? A. –6
anyanavicka [17]

Answer:

-6i

Step-by-step explanation:

Complex roots always come in pairs, and those pairs are made up of a positive and a negative version. If 6i is a root, then its negative value, -6i, is also a root.

If you want to know the reasoning, it's along these lines: to even get a complex/imaginary root, we take the square root of a negative value. When you take the square root of any value, your answer is always "plus or minus" whatever the value is. The same thing holds for complex roots. In this case, the polynomial function likely factored to f(x) = (x+8)(x-1)(x^2+36). To solve that equation, you set every factor equal to zero and solve for the x's.

x + 8 = 0

x = -8

x - 1 = 0

x = 1

x^2 + 36 = 0

x^2 = -36 ... take the square root of both sides to get x alone

x = √-36 ... square root of an imaginary number produces the usual square root and an "i"

x = ±6i

6 0
3 years ago
Read 2 more answers
The equation below describes a parabola. If a is positive, which way does the parabola open?
madreJ [45]

we know that

the equation

y=ax^{2}

describe a vertical parabola with vertex at point (0,0)

if  a> 0 -------> the parabola open Up and the vertex is a minimum

if  a< 0 -------> the parabola open Down and the vertex is a maximum

in this problem we have

a> 0 ---> because is positive (given problem)

so

The vertex is a minimum

therefore

<u>the answer is the option C</u>

Up


3 0
4 years ago
Read 2 more answers
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