Sarah is twice as old as her youngest brother. If the difference Between their ages is 15 years. How old is the youngest brother

Answers

Answer 1

Answer: I'm not to sure but i think it's 15. this question is worded weirdly

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Solve the absolute value equation.

|x| = –15

Answers

$|x|=-15\ \ FALSE\ x\in\O\n\nbecause\ |x|\geq0\ for\ every\ x\in\mathbb{R}.$

What is the Turing point of f(x)=x^2-2x+8

Answers

method1:parabola
y = x^2 - 2x + 8
y-7 = (x-1)^2 ; parabola
turning point is (1,7)

method2:diff
y = x^2 - 2x + 8
y' = 2x -2 = 0 ==> x = 1,
y=7

Add 3/7 + 4/5 please helppppp me

Answers

Answer: 43/35

Reasoning: You need the denominators to equal the same to add or subtract them

Hmm.. is the choice subtitles are # of Participants & Fall League Soccer

Fall League Soccer & Year

Year & # of Participants

Answers

Year & # Of Participants are the subtitles because fall League Soccer is the title therefore it isn’t a subtitle to the graph :/

18 divided by x = -2 what is the x equal to?

Answers

18/x=-2
isolate x by multiply both sides by x:
18=-2x
divide by -2
-9=x

The volume of a cube can be written as a function of its edge length, V(x) = x^3. Which is a correct interpretation of V(2x)?(A) The volume of a cube doubles when its edge length doubles.
B) The volume of a cube increases by a factor of 4 when its edge length doubles.
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The volume of a cube increases by a factor of 6 when its edge length doubles.
D The volume of a cube increases by a factor of 8 when its edge length doubles.