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tia_tia [17]
3 years ago
10

Is b intersection c = to b union c ​

Mathematics
1 answer:
aleksklad [387]3 years ago
8 0

Answer:

no.

Step-by-step explanation:

<em>b ∩ c   </em>is the values that appear in both  <em>b</em>  and  <em>c</em>.

<em>b ∪ c</em>   is all the values in  <em>b </em> and  <em>c.</em>

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Select the correct operator for the following exponential expression. 0.510 ? 52
kupik [55]
A decimal is less than a whole number. 

So,

0.510<52

"B" is the answer.

I hope this helps!
~kaikers
7 0
3 years ago
The average annual salary for 35 of a company’s 1200 accountants is $57,000. This describes a parameter.
zzz [600]
Yes it describes only a parameter because <span>a numerical characteristic of a population, as distinct from a statistic of a sample was use. only 35 out of the 1200 accountants salary was used in calculating an average salary. it will be real if use all the number of accountant in calculating the average salary</span>
8 0
3 years ago
Part A: Solve the equation 4(x + 5) = 9x + 4x − 34, and show your work. (5 points)
Dmitriy789 [7]

Answer:

Step-by-step explanation:

4(x+5) = 9x + 4x - 34

distributive:

4x + 20 = 9x + 4x - 34

combine

4x + 20 = 13x  - 34

subtraction

20 = 9x - 34

addition

54 = 9x

division

6 = x

5 0
3 years ago
Read 2 more answers
If x, y, and z are positive integers such that xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z.
Ket [755]

Answer:

x= 2, y= 2, and z= 6

Step-by-step explanation:

If this is a Diophantine equation, add 35 to both sides and factor the left:

(3x+1)(2y+7)(z+5) = 847 = 7 times 112

Each integer factorization of 847 into 3 factors leads to a different number/value of x, y, and z. If the first factor, (3x+1), is 1 more than a multiple of 3, and the second factor, (2y+7), is odd, then x, y, and z will be integers.

For example:

847 = 121 times -7 times -1 gives (x, y, z) = (40, -7, -6) because 121 times -7 times -1 is 847 as well, it checks out.

If x, y, and z need to be positive, then the three numbers/factors need to be greater than 1, 7, and 5. The only combination that works is 7 times 11 times 11, which gives (x, y, z) = (2, 2, 6).

:)

6 0
3 years ago
Which of the following are trinomials?
schepotkina [342]

Answer:

e i think . sorry it there 8s mistake.

6 0
2 years ago
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