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3 years ago

Find the measures of angles x and y please!?

Mathematics

2 answers:

kenny6666 [7]3 years ago

5 0

Answer:

y: 139 x: 139 too

Step-by-step explanation:

Airida [17]3 years ago

5 0

Answer:

x = y = 139°

Step-by-step explanation:

x + 41 = 180 since those angles are supplementary

So x = 139°

x = y because they are corresponding angles. Therefore, both x and y are 139°

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What are the coordinates of the point (-1,9) after a clockwise rotation of 90 degree about the origin

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3 years ago

Help?! Will mark brainliest

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Answer:

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Maristella is constructing an isosceles triangle to use as a model in her Algebra class. The perimeter of her triangle is 24 cm.

Vlada [557]

Isolating s, the equation written in terms of s is:

$s = 12 - 0.5b$

-------------------------

The equation for the length of the third side, as stated in the problem,("Maristella uses the equation b = 24 – 2s to find b, the length of the triangle's third side") is:

$b = 24 - 2s$

To solve for the lengths of the congruent sides, we isolate s, thus:

$b = 24 - 2s$

$2s = 24 - b$

Inverse of multiplication is division, thus:

$s = \frac{24 - b}{2}$

Separating into two fractions:

$s = \frac{24}{2} - \frac{b}{2}$

Solving each fraction:

$s = 12 - 0.5b$

A similar problem is given at brainly.com/question/5123313

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3 years ago

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kvv77 [185]

Answer:

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Step-by-step explanation:

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What number should be added to both sides of the equation to complete the square? x2 – 6x = 5

choli [55]

Answer: Add 9 to both sides to complete the square

Step-by-step explanation:

The formula for the number you need to add to complete the square is (b/2)^2. In this case, b = -6, so:

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3 years ago