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poizon [28]
3 years ago
12

What is the miles travel in 5 hours at a rate of 189 miles in 3 hours

Mathematics
2 answers:
11111nata11111 [884]3 years ago
4 0
315 miles in 5 hours.
MissTica3 years ago
3 0
Ratio=distance / time    ⇒  distance=rate x time
Data:
ratio=189 miles/3 hours=63 miles/hours
Time=5 hours

distance=(63 miles/hours)(5 hours)=315 miles.

Answer: 315 miles
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B hope that helped you
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%5Cfrac%7B%282x%2B1%29%28x-5%29%7D%7B%28x-5%29%28x%2B4%29%5E%7B2%7D%20%7D" id
dybincka [34]

i) The given function is

f(x)=\frac{(2x+1)(x-5)}{(x-5)(x+4)^2}

The domain is

(x-5)(x+4)^2\ne 0

(x-5)\ne0,(x+4)^2\ne 0

x\ne5,x\ne -4

ii) For vertical asymptotes, we simplify the function to get;

f(x)=\frac{(2x+1)}{(x+4)^2}

The vertical asymptote occurs at

(x+4)^2=0

x=-4

iii) The roots are the x-intercepts of the reduced fraction.

Equate the numerator of the reduced fraction to zero.

2x+1=0

2x=-1

x=-\frac{1}{2}

iv) To find the y-intercept, we substitute x=0 into the reduced fraction.

f(0)=\frac{(2(0)+1)}{(0+4)^2}

f(0)=\frac{(1)}{(4)^2}

f(0)=\frac{1}{16}

v) The horizontal asymptote is given by;

lim_{x\to \infty}\frac{(2x+1)}{(x+4)^2}=0

The horizontal asymptote is y=0.

vi) The function has a hole at x-5=0.

Thus at x=5.

This is the factor common to both the numerator and the denominator.

vii) The function is a proper rational function.

Proper rational functions do not have oblique asymptotes.

6 0
2 years ago
Donovan took a math test and got 20 correct questions and 5 incorrect answers. What was the percentage of correct answers?
solong [7]

ANSWER

80%

EXPLANATION

Donovan got 20 questions correct and 5 questions incorrect.

This means that the total number of questions he attempted in the test is the sum of correct and incorrect questions:

Total = 20 + 5

Total = 25

To find the percentage of correct answers, we have to divide the number of correct answers by the total number of questions attempted and multiply by 100 (per cent).

That is:

\begin{gathered} \frac{20}{25}\cdot\text{ 100 = }\frac{4}{5}\cdot\text{ 100} \\ =\text{ 80\%} \end{gathered}

That is the percentage of correct answers.

3 0
11 months ago
Solve for x: 4x - 2 &gt; 6x + 8. (5 points)<br> x&lt;-5<br> x&gt;5<br> x&lt;5<br> x&gt;-5
alexgriva [62]

Answer:

x<-5 is the correct answer

6 0
3 years ago
A (not necessarily convex) 11-sided polygon can have at most how many right interior
EastWind [94]

Answer:

it is 3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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