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2 years ago

Find the areas of these polygons

Mathematics

1 answer:

Zigmanuir [339]2 years ago

3 0

The area of triangle
=5*7/2
=35/2
17.5sq.units//

The area of parallelogram
=15*8
=120sq.units//

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A rock is released from rest and freely falls 70 m to the ground. What is its velocity just before impact? A. 1.2 m/s B. 7.0 m/s

Yuri [45]

Answer:

37.04 m/s

Step-by-step explanation:

we can use the equation x = x0 + v0t + 1/2at^2

a = -9.8 m/s^2, the acceleration due to gravity

x0 = 70 m, the starting point of x

v0 = 0 m/s

x = 0

this will allow us to solve for time

0 = 70 + 0 +-4.9t^2

t = 3.779

now we can use the equation v = v0 + at

v = 0 + 9.8(3.77)

v = 37.04 m/s

5 0

3 years ago

A winning football team more than doubled. The offensive yards gained by its opponent. The opponent gained 272 offensive yards.

Daniel [21]

Answer:

$80x>2*272$

More than 6.8 yards per game.

Step-by-step explanation:

Let x be the possible number of yards per play for the winning team.

We have been given that the winning team had 80 offensive plays, so the number of possible yards in 80 offensive plays will be 80x.

We have been given that a winning football team more than doubled the offensive yards gained by its opponent.

We can represents this information in an inequality as:

$80x>2*272$

Therefore, the inequality $80x>2*272$ can be used to find the possible number of x of yards per play for the winning team.

Let us solve for x.

$80x>544$

Let us divide both sides of our inequality by 80.

$\frac{80x}{80}>\frac{544}{80}$

$x>6.8$

Therefore, the winning team will score more than 6.8 yards per play.

4 0

3 years ago

Read 2 more answers

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Alexxandr [17]

Answer:

Step-by-step explanation:

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3 years ago

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Sunny_sXe [5.5K]

False. b is the y-intercept.

⭐ Please consider brainliest! ⭐

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3 years ago

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Damm [24]

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3 years ago