MATHEMATICS HIGH SCHOOL

If Chris and Lisa went shopping and spent a total of $25.50 and Lisa spent $13.50 more then Chris spent. How much did Lisa spend?

Answers

Answer 1
Answer: x-\ Lisa\ny-\ Chris\n\nx+y=25.50\nx-13.5=y\n\nx+x-13.5=25.50\ \ \ | add\ 13.50\n\n2x=39\ \ \ | divide\ by\ 2\n\nx=19.50\n\n Lisa\ spent\ 19.50 \$
Answer 2
Answer:


I think you just subtract the total - the money lisa spent

lets try it

25.50$-13.50$ = 12$

so we all know that its 12$

wanna PROVE IT , try adding 12$+13.50$ =

it will give us the total ;p

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Answers

Answer:

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If x + y = 13 and y = 2, then which of the following is true according to thesubstitution property?
OA) 2 + y = 13
B) x= 13- y
OC) x+ 2 = 13
OD) y = 13 - x

Answers

Answer:

b

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Answers

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Answers

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Which properties belong to all isosceles triangles? Check all that apply. The base angles are congruent.
All three angles are congruent.
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The bisector of the vertex angle is the perpendicular bisector of the base.

Answers

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Answer:

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