Brianna has 4 pink bracelets. One third of all her bracelets are pink . How many bracelets does Brianna have ?
2 answers:
Answer:
Total number of bracelets Brianna have are 12 .
Step-by-step explanation:
Let us assume that the total numbers of the bracelets be x .
As given
Brianna has 4 pink bracelets.
One third of all her bracelets are pink .
Than the equation becomes
Simplify the above
x = 4 × 3
x = 12
Therefore the total number of bracelets Brianna have are 12 .
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Answer:
A. E={ and
is a multiple of 8}
Step-by-step explanation:
Let represent the set of natural numbers. Then we can write;
.
The set of all natural numbers that are multiples of 8 is then written as;
and
is a multiple of 8.
E is the set of natural numbers that are multiples of 8 can then be written in set builder notation as;
E={ and
is a multiple of 8}
The correct choice is A
Let x represent the number.
.. x^2 +x = 2
.. x^2 +x +1/4 = 9/4 . . . . add 1/4 to complete the square
.. x +1/2 = ±3/2 . . . . . . . .square root
.. x = -2, 1
Numbers meeting that requirement are -2 and 1.
.. x^2 +x = 2
.. x^2 +x +1/4 = 9/4 . . . . add 1/4 to complete the square
.. x +1/2 = ±3/2 . . . . . . . .square root
.. x = -2, 1
Numbers meeting that requirement are -2 and 1.