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3 years ago

Tell whether the angles are adjacent or vertical. Then find the value of x.

Mathematics

1 answer:

lozanna [386]3 years ago

8 0

Answer:

$x = 25$

Step-by-step explanation:

The angles are vertical since they form from two lines crossing at a point and they share a same vertex.

Vertical angles are equal so

$4x - 25 = 75$

$4x = 100$

$x = 25$

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On a parallelogram, the vector from one vertex to another vertex is (9,-2). What is the length of the side?

sertanlavr [38]

Answer: Second Option is correct.

Step-by-step explanation:

Since we have given that

In a parallelogram, the vector from one vertex to another vertex is (9,-2)

So, the co-ordinate of first vertex will be (9,0).

And the coordinate of second vertex will be (0,-2).

As we know the formula for "Distance between two coordinates":

So, The length of the side is given by

$Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\Distance=\sqrt{(9-0)^2+(0-(-2))^2}\\\\Distance=\sqrt{9^2+2^2}\\\\Distance=\sqrt{81+4}\\\\Distance=\sqrt{85}$

Hence, Second Option is correct.

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Illusion [34]

The correct answer is D.

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WARRIOR [948]

I think it’s 3 for sure

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Find the missing side of this right triangle. 19 X X = 16 ✓[?]

julia-pushkina [17]

Answer:

x = sqrt(105)

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse

16^2 + x^2 = 19^2

256 + x^2 = 361

x^2 = 361 -256

x^2 =105

Take the square root of each side

sqrt(x^2) = sqrt(105)

x = sqrt(105)

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2 years ago

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tiny-mole [99]

Answer:

Step-by-step explanation:

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