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Rudiy27
4 years ago
6

If i am twice the age of my sister but she is 10 years young then my brother who is 36 how old am I

Mathematics
2 answers:
Elena L [17]4 years ago
8 0
Is the answer possibly 30?
andrew11 [14]4 years ago
6 0
52 you are 52 years old

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Are the set of all square numbers under 50 and the set of all triangular numbers that are less than 50 disjoint?
Alina [70]

Answer:

No, the two sets are not disjoint.

Step-by-step explanation:

Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45

Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49

They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.

7 0
3 years ago
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Elena-2011 [213]
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Using the line of best fit, estimate how may miles Jack ran the 10th week; show work.
Lapatulllka [165]
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3 years ago
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4.5 - d > 2.5 substitute 2.5 for d
den301095 [7]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Brainliest? :(
Svetlanka [38]

Answer:

(f\cdot g)(x)=2x^2+10x+12

(f-g)(x)=-x-1

(f+g)(1)=10

Step-by-step explanation:

\tt f(x)=x+3

\tt g(x)=2x+4

(f\cdot g)(x)=f(x)\cdot g(x)=(x+3)(2x+4)=2x^2+4x+6x+12

=2x^2+10x+12

(f-g)(x)=f(x)-g(x)=x+3-(2x+4)=x+3-2x-4

=-x-1

(f+g)(1)=f(1)+g(1)=1+3+2(1)+4

=4+2+4=10

~

7 0
2 years ago
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