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astraxan [27]
3 years ago
10

Three to the 4th power

Mathematics
1 answer:
Delvig [45]3 years ago
7 0
Answer: 81

Explanation: Multiple three fourl
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The sum of a rational number and an even integer is rational. A) Always True B) Sometimes True C) Usually True D) Never True
SOVA2 [1]
I think that the sum will always be a rational number
let's prove that


<span>any rational number can be represented as a/b where a and b are integers and b≠0

</span>and an integer is the counting numbers plus their negatives and 0
so like -4,-3,-2,-1,0,1,2,3,4....

<span>so, 2 rational numbers can be represented as

</span>a/b and c/d (where a,b,c,d are all integers and b≠0 and d≠0)

their sum is
a/b+c/d=
ad/bd+bc/bd=
(ad+bc)/bd

1. the numerator and denominator will be integers
2. that the denominator does not equal 0

alright
1.
we started with that they are all integers
ab+bc=?
if we multiply any 2 integers, we get an integer
<span>like 3*4=12 or -3*4=-12 or -3*-4=12, etc.
</span>even 0*4=0, that's an integer
the sum of any 2 integers is an integer
like 4+3=7, 3+(-4)=-1, 3+0=3, etc.
so we have established that the numerator is an integer

now the denominator
that is just a product of 2 integers so it is an integer


<span>2. we originally defined that b≠0 and d≠0 so we're good

</span>therefore, the sum of any 2 rational numbers will always be a rational number <span>is the correct answer.</span>
6 0
3 years ago
Fatima earned 6 more than twice as many dollars as Noora. If Fatima earned 40 QR, how much did Noora earn?
-Dominant- [34]
86.
Fatima has 40
Nora has “6 + (40 x 2)”
6+(80) = 86
4 0
3 years ago
True or False
Nady [450]

Answer:

an expression, the exponent indicates how

any times the base is used as a factor. false.

Step-by-step explanation:

beacuse i guess iam smart

3 0
3 years ago
HELP NEED URGENT IN NEXT 5 MINS!!!!!! PLEASE HELP
grin007 [14]
The linear function is: g = 3n-2. Plug in values from -2 to 4 into n. Like so, G = 3(-2)-2 = g = -8. So, n(x) = -2 and g(y) = -8. And so on, and so on.

Basically, your n values are the x values.
The number you get out of the equation will be your y value.
7 0
3 years ago
Someone please help me will give BRAILIEST!!!!
MrRissso [65]
The answer is d.2. hope it helps
6 0
3 years ago
Read 2 more answers
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