2 years ago

During a winter storm, a ski resort received 9 inches of snow in 12 hours

Mathematics

1 answer:

Fed [463]2 years ago

3 0

Answer:

yeah and?

Step-by-step explanation:

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Find the measure of the missing angles. 147° d = e = f=

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Answer:

D = 90°

E = 147°

F = 33°

Step-by-step explanation:

E is 147°, because it is vertical to the angle 147°

F is 33°, because 147* is its supplementary angle, or angles that add up to 180°

D is worth 90°, because its supplement is worth 90°

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The linear equation y = 400 + 50x represents the total cost, y , per hour, x , for a lawyer at a law firm. The lawyer charges a

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Answer:

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1 year ago

Translate the equation using a variable. "Nineteen less than one-half of a number is -13."

Illusion [34]

Answer:

1/2a-19=-13

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One half of a number represents the phrase "1/2a" (in this case the variable/number is 'a'". Then because it says "nineteen less than", that means you subtract 19 from one half of the variable.

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Find all values of x that make the triangles congruent. Explain your reasoning.

RSB [31]

Answer:

x = $\frac{4}{5},5$

Step-by-step explanation:

If both the triangles ΔABC and ΔBCD are congruent,

Corresponding sides of both the triangles will be proportional.

$\frac{AB}{BD}=\frac{AC}{CD}$

$\frac{5x}{3x+10}=\frac{5x-2}{4x+3}$

5x(4x + 3) = (5x - 2)(3x + 10)

20x² + 15x = 15x² + 50x - 6x - 20

20x² + 15x = 15x² + 44x - 20

20x² - 15x² = 44x - 15x - 20

5x² = 29x - 20

5x² - 29x + 20 = 0

5x² - 25x - 4x + 20 = 0

5x(x - 5) - 4(x - 5) = 0

(5x - 4)(x - 5) = 0

$x=\frac{4}{5},5$

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2 years ago