Which of the following statements are true? Check all that apply For all real numbers a and b, a b b+ a For all real numbers a and b, ab ba. For all real numbers a and b, a b a For all real numbers a and b For all real numbers a, and c, (a b) c a (b c) b For all real numbers a, b and c, (a b) c a (b-c For all real numbers a, b and c, a b c) ab ac
Answers
Among the options for the property of the real numbers, are as follows, 1,2,5, and 7.
Gvien that,
Among the option, to choose the correct option which holds the property mentioned for the real numbers
What is a number system?
A number system is described as a technique of composing to represent digits. It is the mathematical inscription for describing the numbers of a given set by using numbers or other characters in a uniform method. It delivers a special presentation of every digit and describes the arithmeticstructure.
Here,
for a and b, all real number
(1)
a + b = a + b, ture
(2)
ab = ba, true
(3)
a - b ≠ b - a false
(4)
a / b ≠ b/a, flase
(5)
(a + b) + c = a + (b + c), true
(6)
(a - b) - c = a - (b - c), false
(7)
a(b + c) = ab + ac
Thus, among the options, the correctoption is as follows, 1,2,5, and 7.
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The actual answers are 1,2,5, and 7 ik this bc i got it wrong and it said these are correct
Related Questions
Let the numbers m, n, p, and s be defined as: m = 0.1212121212... n = 0.1221221221... p = 0.1122112211... s = 0.1112221112... Which choice shows the correct ordering of these numbers?A) m < n < p < s B) s < p < m < n C) n < m < s < p D) p < s < n < m E) s < p < n < m
If a+b = 10 and ab= 16 . Find the value of a^2 - ab + b^2
while shopping at a clearence sale samantha finds a $60 dress on sale for 25% off. samantha also finds a 50% off coupon.
What is the answer to -9-(-6)
Answers
Well, the picture is cut off below choice-C, and the whole thing is
very confusing to try and read because of trying to do all of your
work in the holes and spaces around the choices. So I'm just
going to ignore all of that, take the question, and work with it.
-- price of one book = k
-- total income if 1 book is sold = 1 · k
-- total income if 2 books are sold = 2 · k
-- total income if 100 books are sold = 100 · k
-- number of books for sale = 2b
-- total income if they're all sold = 2b · k
-- actual number that were sold = (2b - y)
-- actual total income = (2b - y) · k
the equation would be k(2b-y): he has 2b books, they sell for k each--> k*2b, but y books did not sell for k, so it's now k(2b-y)
the answer is A but I hope you understand the process now.
Answers
Answers
Answer:
15 miles/2 hours = 7.5 miles/hour
Correct equation: d = 7.5t
The angle at vertex D is acute.
The angle at vertex F is obtuse.
Triangle DEF is a right triangle.
The angle at vertex D is obtuse.
Answers
check each option
1st one: obtuse triangle
osbuse means that the triangle has an angle more than 90 degrees
remember that all angles add to 180
90 is one
90+D+F=180
D+F=90
so those 2 mystery angles both have to be less than 90 so therefor none of them can be obtuse
not 1st option
2nd: angle at D is acute
acute means less than 90
so we remember that
D+F=90
no angle can be 0 so let's say F is a very small number like 0.0001
then D would be 89.9999
still less than 90, it is acute
this 2nd optin is right
3rd: angle at F is obtuse
wrong, from 1st one, no obtuse angles
3rd option is wrong
4th: right triangle
duh, a right triangle has a right angle in it
90 degrees is a right angle
yes
4th optin is right
5th: D is obtuse
naw, fam. no obtuse angles here
the right answers are 2nd and 4th or
The angle at vertex D is acute and
Triangle DEF is a right triangle
Answer:
In other words, A, D.
Step-by-step explanation:
Answers
r=D/2=3 cm
theta=110 deg= 1.92 radian.
area=1/2*3*3*1.92 cm2 =8.64 cm2
=8.6 cm2 (approx.)
Answers
The half of the given term 62 is 31.
How to divide a quantity into finite equal parts?
Suppose that there are k things which are to be divided in P parts, then
will give the amount that each one of P parts would get from k, that will make equal distribution of k things in P parts.
The half of 62 can be calculated by dividing the given term by 2.
62 / 2 = 31
Thus, the half of the given term 62 is 31.
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