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xz_007 [3.2K]
3 years ago
11

Simplify 2x^2y+xy+5y^2-7x^2+4y^2

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

2x^2y+9y^2-7x^2

Step-by-step explanation:

Just combine like terms.

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PLEASEE HEELLLP!!! I'LL GIVE BRAINLIEST!
Amanda [17]

Answer:

x = 3.25; y = 5.5; angle measures are (cw from bottom left): 96, 84, 96

Step-by-step explanation:

The two angles above the horizontal line form a linear pair, so they are supplementary. Their measures add to 180 deg. That let's you find the value of x.

28x - 7 + 24x + 18 = 180

52x + 11 = 180

52x = 169

x = 169/52

x = 3.25

Now use the lower left angle and the upper right angle. They are vertical angles, so they are congruent. That allows you to solve for y.

12y + 30 = 24x + 18

We know that x = 3.25.

12y + 30 = 24(3.25) + 18

12y + 30 = 78 + 18

12y = 66

y = 66/12

y = 5.5

I don't know what the problem is asking for since you don't show.

x = 3.25; y = 5.5; angle measures are (cw from bottom left): 96, 84, 96

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Answer:

y = -49

Step-by-step explanation:

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2 years ago
A recipe for brownies calls for 4 cups of flour to 6 cups of sugar how many cups of sugar per cup of flour does the recipe requi
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