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Darya [45]
3 years ago
6

PLEASE DO PLEASE

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

Answer: 8x^4.5, 4x^3


Step-by-step explanation:


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Find the range and interquartile range of the
zmey [24]

Answer: the range is 209

Step-by-step explanation: the biggest number minus the smallest will give you the range

8 0
4 years ago
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Solve the equation<br> 5x - 5 = 3x - 9<br><br> A. 1<br><br> B. -2<br><br> C. -3<br><br> D. -1
enot [183]
The answer is B.) -2, hope it helps
3 0
3 years ago
Find the area of a circle with a circumference of 31.4 units.<br> help me please
hram777 [196]

Answer:

Area = 78.5

Step-by-step explanation:

31.4 = 2 x pi X r

r = 31.4/(2xpi) = 31.4(2 x 3.14) = 5

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4 0
3 years ago
Simplify the complex fraction.
weqwewe [10]
Okay, so it might be a little difficult to explain it but here we go:
You find the LCD (lowest common denominator) and multiply the top and bottom half of the fraction by the LCD:
(1/x) times xy (since it is divisible by both x and y)
then you do the same for the bottom (2/y) times xy
The x's on the top cancel out leaving you with 1/y
The y's on the bottom cancel out leaving you with 2/x
So now you multiple the top half (numerator) by the reciprocal of the denominator. In other words, multiply (1/y) by (x/2).
The answer is x/2y
8 0
4 years ago
Given the function f(x)=x^2-8x+13f(x)=x, determine the average rate of change of the function over the interval −1≤x≤6.
Ann [662]

Given:

Consider the given function is:

f(x)=x^2-8x+13

To find:

The average rate of change of the function over the interval -1\leq x\leq 6.

Solution:

The average rate of change of the function f(x) over the interval [a,b] is:

m=\dfrac{f(x_2)-f(x_1)}{x_2-x_1}

We have,

f(x)=x^2-8x+13

At x=-1,

f(-1)=(-1)^2-8(-1)+13

f(-1)=1+8+13

f(-1)=22

At x=6,

f(6)=(6)^2-8(6)+13

f(6)=36-48+13

f(6)=1

Now, the average rate of change of the function f(x) over the interval -1\leq x\leq 6 is:

m=\dfrac{f(6)-f(-1)}{6-(-1)}

m=\dfrac{1-22}{7}

m=\dfrac{-21}{7}

m=-3

Therefore, the average rate of change of the function f(x) over the interval -1\leq x\leq 6 is -3.

6 0
3 years ago
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