4 years ago

What is equivalent to j+j+2k?

Mathematics

2 answers:

nalin [4]4 years ago

8 0

J²+(2k) I think this is what you are looking for I hope?

antiseptic1488 [7]4 years ago

7 0

An equivalent expression is 2j+2k because there are simply, 2 js.

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If f(x)=2x(With an exponent of 2) -3, find f(-2)

Mrac [35]

Answer:

Step-by-step explanation:

Put -2 where x is and do the arithmetic.

f(x) = 2x² -3

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Answer:

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Step-by-step explanation:

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The school production of Our Town' was a big success. For opening night. 434 tickets were sold. Students paid $4.00 each, while

Alex73 [517]

Answer:

286 students attended

148 non students attended

Step-by-step explanation:

Given

$Tickets = 434$

$Students = \$4.00$

$Non-Students = \$6.00$

$Total = \$2032.00$

Solving (a): Number of students

Represent students with S and non students with N

So:

$S + N = 434$ --- (1)

$4S + 6N = 2032$ --- (2)

Make N the subject of formula in (1)

$N = 434 - S$

Substitute 434 - S for N in (2)

$4S +6(434 - S) = 2032$

Open Bracket

$4S + 2604 - 6S = 2032$

Collect Like Terms

$4S - 6S = 2032 - 2604$

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Divide through by -2

$S = 286$

<em>Hence; 286 students attended</em>

Solving (b):

Recall that

$N = 434 - S$

$N = 434 - 286$

$N = 148$

<em>148 non students attended</em>

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