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3 years ago

10

A. What are the approximate coordinates of the point of intersection of the two

1 answer:

topjm [15]3 years ago

3 0

Answer:

A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+320

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Plz help no guessing

vladimir1956 [14]

Those are alternate interior so congruent angles,

2x + 15 = 3x

15 = x

Choice A

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3 years ago

How would the number be written in standard form? 30,000+500+70+6

Lisa [10]

30,576 because 30 fills the thousands and 5,7,6 fill the rest

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3 years ago

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(HELP ME ASAP PLEASE) In the following diagram, A || B.

vladimir1956 [14]

Answer:

m<6=77°

Step-by-step explanation:

Because the angles marked 3x+5 and 4x+7 are same side exterior angles, they are supplementary, meaning that

3x+5°+4x+7°=180°

7x+12°=180°

7x=168°

x=24°

Because the angles marked 6 and 3x+5 are corresponding angles, they are congruent, so:

<6=24*3+5

<6=77°

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2 years ago

Solve the system of equations and choose the correct ordered pair.

Dafna1 [17]

So for this, I will be doing the elimination method. Firstly, multiply both sides of the first equation by 2:

$6x-8y=52\\2x+8y=-36$

Next, add the two equations together to get $8x=16$ . From here you can solve for x.

For this equation, just divide both sides by 8 and your first answer will be $x=2$

Now that we have the value of x, substitute it into either equation to solve for y:

$3*2-4y=26\\6-4y=26\\-4y=20\\y=-5\\\\2*2+8y=-36\\4+8y=-36\\8y=-40\\y=-5$

<u>In short, the solution is (2,-5), or A.</u>

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Svetllana [295]

The answer for number A would be 1/3

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