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IrinaVladis [17]
3 years ago
13

I need help with this problem

Mathematics
2 answers:
juin [17]3 years ago
8 0
A. would be the answer because if you distribute/factor the expression you would get A.
Helen [10]3 years ago
3 0

Answer:

(A)

Step-by-step explanation:

I good way to solve this is to test out each answer. We can do this by setting it equal to the expression given in the question.

Let start with (A). If x + 2y + x + 2 is equivalent to (A) then we can say

x + 2y + x + 2 = 2(x+y+1)

And we can combine the two x's on the left side to make.

2x + 2y + 2 = 2(x+y +1)

Now by expanding the right side we get

2x + 2y + 2 = 2x + 2y + 2

which is the same thing so there are both equal!

Now lets test (B). We start off by doing the same thing as (A) except with the equation for (B)

2x + 2y + 2 = 2x + 4y + 4

Now this doesn't look quite right, on the left side we have two y's but on the right we have four. This means our equation is unbalanced which means they are unequal! So it can't be (B)

So the only correct answer is (A)!

Hope this helps!

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A 92 ft path cuts diagonally from Mateo St. to Cove St. It makes an angle of 68° with Cove St. and an angle of 34° with Mateo St
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Answer:

41.802 feet

Step-by-step explanation:

Given that a  92 ft path cuts diagonally from Mateo St. to Cove St. It makes an angle of 68° with Cove St. and an angle of 34° with Mateo St.

We can visualize a triangle formed by the three streets One side is 92 feet.

Angle opposite 92 feet = 180-68-34 = 78

Let x be length of Cove st and y length of Mateo st.

Using sine angle for triangles,

\frac{92}{sin 78} =\frac{x}{sin 34} =\frac{y}{sin 68}

Simplify to get

x=52.595

y=87.207

Distance saved= x+y-92\\= 139.802-92\\=41.802

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Answer:

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Step-by-step explanation:

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