3 years ago

Geometry, please help

Mathematics

1 answer:

andrew-mc [135]3 years ago

7 0

Answer:

True

If the angles are equal A and B are parallel

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Find the value of x. The diagram is not to scale.

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logan had a bank account balance of 287 he then deposit 35 and went on a shopping trip if he spends 78 what is his new balance a

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4 years ago

Madie drove 200 miles at a speed of 50 miles per hour. Which equation will help you find the number of hours she was driving? St

aalyn [17]

Answer:

StartFraction 50 miles Over 1 hour EndFraction = StartFraction 200 miles Over question mark hours EndFraction

Step-by-step explanation:

For constant speed, miles and hours are proportional. One possible equation is ...

$\dfrac{50\,\text{miles}}{1\,\text{hour}}=\dfrac{200\,\text{miles}}{?\,\text{hours}}\qquad\text{matches the first choice}$

_____

<em>Comment on the solution</em>

I personally like to put the unknown in the numerator, so the equation can be solved in one step. The equation above requires two steps: one to cross-multiply, and one to divide by 50.

I might write the equation as ...

(? hours)/(200 mi) = (1 hour)/(50 mi) . . . . multiply by 200 mi to solve

Another way to write the equation is matching the ratios of times to corresponding miles:

(? hours)/(1 hour) = (200 mi)/(50 mi)

This only requires simplification to solve it: ? = 4.

3 0

4 years ago

Read 2 more answers