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azamat
3 years ago
13

4 5/9 + 2 5/6 + 1 2/3 ANSWER ASAPPPPP

Mathematics
2 answers:
nata0808 [166]3 years ago
8 0

Answer:

9 1/18

Step-by-step explanation:

1. 4 5/9 + 2 5/6 + 1 2/3

2. (4+2+1) + (5/9+5/6+2/3)

3. 7+37/18

4. 7+2+1/18

5. 7+2+1/18

6. 9+  1/18

Answer = 9 1/18

lubasha [3.4K]3 years ago
7 0

Answer:

9.05

Step-by-step explanation:

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Using the bijection rule to count binary strings with even parity.
AleksandrR [38]

Answer:

Lets denote c the concatenation of strings. For a binary string <em>a</em> in B9, we define the element f(a) in E10 this way:

  • f(a) = a c {1} if a has an odd number of 1's
  • f(a) = a c {0} if a has an even number of 1's

Step-by-step explanation:

To show that the function f defined above is a bijective function, we need to prove that f is well defined, injective and surjective.

f   is well defined:

To see this, we need to show that f sends elements fromo b9 to elements of E10. first note that f(a) has 1 more binary integer than a, thus, it has 10. if a has an even number of 1's, then f(a) also has an even number because a 0 was added. On the other hand, if a has an odd number of 1's, then f(a) has one more 1, as a consecuence it will have an even number of 1's. This shows that, independently of the case, f(a) is an element of E10. Thus, f is well defined.

f is injective (or one on one):

If a and b are 2 different binary strings, then f(a) and f(b) will also be different because the first 9 elements of f(a) form a and the first elements of f(b) form b, thus f(a) is different from f(b). This proves that f in injective.

f is surjective:

Let y be an element of E10, Let x be the first 9 elements of y, then f(x) = y:

  • If x has an even number of 1's, then the last digit of y has to be 0, and f(x) = x c {0} = y
  • If x has an odd number of 1's, then the last digit of y has to be a 1, otherwise it wont be an element of E10, and f(x) = x c {1} = y

This shows that f is well defined from B9 to E10, injective, and surjective, thus it is a bijection.

3 0
3 years ago
Given the cost function C(x) = 0.81x + 60, 420 and the revenue function R(x) = 1.87x, find the break-even point
Viktor [21]

Answer:

x = 57,542.8571

Step-by-step explanation:

C(x) = 0.81x + 60,420

R(x) = 1.87x

At break even point, Cost function and revenue function becomes equal.

-> C(x) = R(x)

-> 0.81x + 60,420 = 1.87x

-> 60420 = 1.87x - 0.82x

-> 60420 = 1.05x

-> x = 60420/1.05

-> x = 57,542.8571

Thus, at break even point x = 57,542.8571

7 0
2 years ago
You want to make a snowman. The ball of snow that you use for the base has a volume of about 9,203 cubic inches. Find the radius
Katyanochek1 [597]
4/3 pi r^3 = 9203

r^3 = 9203 / (4/3 * 3.14)  = 2198.17

radius r  =  13 inches  (A)
7 0
3 years ago
May you please help me with number 12 a. and b. and show work. thank you
notka56 [123]
(a)7x4=28
2x2=4
28-4=24
24-1=23 points
(b)20/4=7 correct answers
6 0
3 years ago
Read 2 more answers
TRAP​ ~ EZYD. Use the diagram on the right to find the scale factor of TRAP to EZYD. Show work.
nikitadnepr [17]

The scale factor of TRAP to EZYD is 1.25.

<h3>What is dilation</h3>

Dilation is the increase or decrease in the size of a figure by a scale factor of k. If k > 1 it is an increase and if k < 1, it is a decrease.

To find the scale factor of TRAP to EZYD:

Scale factor = ZE / TR = 15 / 12 = 1.25

The scale factor of TRAP to EZYD is 1.25.

Find out more on dilation on: brainly.com/question/10253650

4 0
2 years ago
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