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prohojiy [21]
3 years ago
6

1/4(3c+5)-1/2(2c+3)=1/2 Please show some work so I can fiqure it out.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
4 0
So,

1/4(3c + 5) + -1/2(2c + 3) = 1/2

First, we distribute to get rid of the parentheses.  (PEMDAS)
3/4c + 1 1/4 - c - 1 1/2 = 1/2

Now, we collect like terms.
-1/4c - 1/4 = 1/2

Add 1/4 to both sides.
-1/4c = 3/4

Now, multiply by the reciprocal (-4/1).
c = -3

Check your answer.

1/4(3[-3] + 5) + -1/2(2[-3] + 3) = 1/2

1/4(-9 + 5) + -1/2(-6 + 3) = 1/2

-2 1/4 + 1 1/4 + 3 - 1 1/2 = 1/2

-1 + 1 1/12 = 1/2

1/2 = 1/2

Novosadov [1.4K]3 years ago
4 0
1/4(3c+5)-1/2(2c+3)=1/23/4c+1u1/4-1c-1u1/2=1/2
3/4c-1c=-1/4c
1u1/4-1u1/2=-1/4
-1/4c-1/4=1/2
       +1/4 +1/4
-1/4c=3/4
/-1/4   /-1/4
answer: -3


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3 years ago
Endpoint 1: (-1,2)<br> Midpoint: (9,-6)<br> Endpoint 2=
Vlad [161]

Answer:

(19 , -14)

Step-by-step explanation:

Find the distance in between each x & y for a coordinate.

Let: (x₁ , y₁) = (-1 , 2)

Let: (x₂ , y₂) = (9 , -6)

From x₁ ⇒ x₂: 9 - (-1) = 10

From y₁ ⇒ y₂: -6 - 2 = -8 = 8*

*Remember that distance cannot be negative, but for the sake of this question, we will leave it as -8.

The distance between the x points are in intervals of 10. The distance between the y points are in intervals of 8. Add 10 & subtract 8 to their respective numbers to get endpoint 2:

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3 years ago
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Answer:

x ≈ 25.4 Km

Step-by-step explanation:

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Using the cosine ratio in the right triangle on the left

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3 years ago
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