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Cerrena [4.2K]
4 years ago
14

(-5)+(+7)=( ____) ???

Mathematics
1 answer:
Anni [7]4 years ago
7 0

Answer: 2

Step-by-step explanation:

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Tracy had a bag of candies, and none of the candies could be broken into pieces. She ate $\frac{1}{3}$ of them and then gave $\f
Ymorist [56]

Answer:

72

Step-by-step explanation:

Let the number of candies = n

Tracy ate = 1/3 of n = n/3 remaining 2n / 3

she gave 1/4 of the remainder to her friend = 1/4 of ( n - n/3) = 2n / 12

the new remainder = (2n / 3) - (2n / 12) = n /2

she and her mom then ate altogether = 30

and the brother took from 1 to five, the number he took = x

and she has 3 left

( n/2) - 30 - x = 3

n = 2 ( 33 + x)

now we know that the candies could not be broken  and x is between 1 to 5

n = 2 (33 + 1), 2 (33+2), 2(33 +3), 2 (33+ 4) and 2 (33 + 5) this are the possible values of n, ( 68, 70, 72, 74, 76) and the multiple of 3 is 72

n therefore = 72

7 0
3 years ago
What is the domain of the function f (x)=x^2+1
denis23 [38]
Alright, so since anything can be squared, the domain is (-inf, inf)
6 0
3 years ago
What is (6.89+14.52)+(-14.52)???
MrRa [10]
The answer is 6.89 because
6.89+14.52=21.41
So 21.41+(-14.52)=6.89
7 0
4 years ago
Which expression represents the number 5i4+2i3+8i2+−4  rewritten in a+bi  form?
aniked [119]
Remember
i²=-1 so
i³=-i
i⁴=1

so
5i⁴+2i³+8i²-4
5(1)+2(-i)+8(-1)-4
5-2i-8-4
-7-2i is the form
8 0
3 years ago
Read 2 more answers
Thirty- eight percent of the animals in a dog and cat rescue center are cats. What percentage are dogs?
lesya [120]

Answer:

62%

Step-by-step explanation:

100-38=62

5 0
3 years ago
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