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sweet [91]
3 years ago
15

Find the midmost fraction of 2/3 and 3/5 help ........​

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

\dfrac{2/3+3/5}{2}=\dfrac{19/15}{2}=19/30

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Find The Domain Find the Value
laila [671]

1a) The domain is a set of all real numbers not equal to 5

1b) The domain is a set of all real numbers not equal to 4

<h3>What is the domain of the function?</h3>

Domain of a function is the set of all possible input values that make the function defined.

1a) We are given the function;

C(x) = -3²/(x - 5)

The domain will be a set of values that makes the denominator not equal to zero. Thus;

The domain is a set of all real numbers not equal to 5

1b) The function is; R(x) = 4x/(3x - 12)

The domain will be a set of values that makes the denominator not equal to zero. Thus;

The domain is a set of all real numbers not equal to 4

2a) Function is;

f(x) = (x + 8)/(2x - 1)

f(2) = (2 + 8)/(2(2) - 1)

f(2) = 10/3

f(0) = (0 + 8)/(2(0) - 1)

f(0) = -8

f(-1/2) = (-1/2 + 8)/(2(-1/2) - 1)

f(-1/2) = -15/4

2b) Function is;

r(t) = (t² + 8)/(t³ - 25t)

r(3) = (3² + 8)/(3³ - 25(3)) = -17/48

r(2) = (2² + 8)/(2³ - 25(2)) = -12/42 = -2/7

r(-1) = ((-1)² + 8)/((-1)³ - 25(-1))  = 9/24 = 3/8

Read more about Domain of function  at; brainly.com/question/10197594

#SPJ1

3 0
2 years ago
A balloon that has a volume of 72 cubic centimeters is deflating at a rate of 4 cubic cm every 5 seconds. At this rate, how long
kirill115 [55]

Answer: 90 seconds or 1 min. and 30 sec.

Step-by-step explanation:

72/4=18

18x5=90

5 0
3 years ago
What is the value of x?
Sophie [7]
If you need the answer only, you can just scroll to the bottom.

So, we know that a right angle is 90 degrees, and we know that it is divided in two parts. So, we must set up the equation knowing the angles.
3x + 60 = 90.
So, we need to begin simplifying the equation until we have isolated the variable. We can start by subtracting 60 from 90 to get rid of the 60 on the left side of the equation. 
90 - 60 = 30. 
So, our simplified version is:
3x = 30.
So, we need to isolate the variable. To do that, we must divide both sides by 3.
3x/3 = 1x = x.
So, we have :
X = 30/3.
Simplify 30/3.
30/3 = 10.
So:
X = 10
4 0
3 years ago
Read 2 more answers
A fair die is cast four times. Calculate
solmaris [256]

Step-by-step explanation:

<h2>You can solve this using the binomial probability formula.</h2><h2>The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.</h2><h2>Then, we can set the equation as follows:</h2><h2> </h2><h2>P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) </h2><h2>n=4, x=2, k=2</h2><h2>when x=2 (4 2)(1/6)^2(5/6)^4-2 = 0.1157</h2><h2>when x=3 (4 3)(1/6)^3(5/6)^4-3 = 0.0154</h2><h2>when x=4 (4 4)(1/6)^4(5/6)^4-4 = 0.0008</h2><h2>Add them up, and you should get 0.1319 or 13.2% (rounded to the nearest tenth)</h2>
6 0
3 years ago
An airplane is flying at an altitude of 26,843 feet. The plane descends (goes down) 1,284 feet. Then the plane ascends (goes up)
Liono4ka [1.6K]

Answer:

Hi

The answer is C

Step-by-step explanation:

Because it descend means goes down so it's minus and after that it ascends means goes up so it's plus so the answer will be -

26,843-1,284+5832

8 0
2 years ago
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