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bixtya [17]
2 years ago
11

I need help:/please, and thank you:)​

Mathematics
1 answer:
MariettaO [177]2 years ago
7 0

Answer:

C x=40, y=30

Step-by-step explanation:

Remember the opposite side of parallelogram is the same

so angle C and angle A is the same.

3x=120

divide both sides by 3 and you get 40

All parallelogram equal to 180 degrees so to find y

180=2y+120

-2y=120-180

-2y=-60                   negative divide negative is positive.

y=30

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Use ABC to find the value of cos a. 24/7 7/24 7/25 24/25
ExtremeBDS [4]

Answer:

\frac{24}{25}

Step-by-step explanation:

using the cosine ratio;

\cos(\theta)= \frac{adjacent}{hypotenuse}

From the question, the side of the right angle triangle that is adjacent to the measured <a,(i.e BAC) is AC=24 and the hypotenuse is AB=25

This implies that,

cos(a)= \frac{24}{25}

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3 years ago
Can 7in and 1lb be in the same unit
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Which one of these expressions represent solutions to the equation y2=100
andriy [413]

y^2=100

y = √100

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Answer

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F. 10


8 0
3 years ago
If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation of the line?
Karo-lina-s [1.5K]

Answer: Option D

y +2x = 3

Step-by-step explanation:

The equation of a line in the form of "slope-interception" has the following form:

y = mx + b

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In this case we know that the line has a slope of -2. Then m = -2.

We also know that the line intercepts the axis y at the point (0, 3) therefore we know that:

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If we add 2x on both sides of the equation we get:

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The answer is the option D

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3 years ago
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stiks02 [169]

Answer:

21/40, 17/20, 29/40, 3/4, 4/5

Step-by-step explanation:

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7 0
3 years ago
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