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2 years ago

Rotate the point (1,2) 90° (-4,4) (0,2) (2,0) (-2,1)

Mathematics

1 answer:

saw5 [17]2 years ago

5 0

Answer: (-2,1)

Step-by-step explanation:

The point (1,2) is in quadrant 1.

When rotated 90 degrees counter clockwise, it moves to quadrant 2.

The new point becomes (-2,1)

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What is the sum 3/5 3/7

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36/35 or 1 1/35. Change the denominators to a common one of 35, which in order to get an equivalent fraction, you change it to 21/35 and 15/35.

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2 years ago

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

$4S - 6S = 2032 - 2604$

$-2S = -572$

Divide through by -2

$S = 286$

Hence; 286 students attended

Solving (b):

Recall that

$N = 434 - S$

$N = 434 - 286$

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3 years ago

2 -6x + 5y = 1 6x + 4y = -10

Luba_88 [7]

Answer:

(-1,-1)

Step-by-step explanation:

finding y

-6x + 5y = 1

+ (6x + 4y = -10)

---------------------------

9y = -9

y = -1

finding x

-6x + 5(-1) = 1

-6x - 5 = 1

+ 5 = +5

-6x = 6

x= -1

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3 years ago

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