3 years ago

Find the area of the trapezoid.

Mathematics

1 answer:

marta [7]3 years ago

7 0

Answer:

Step-by-step explanation:

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A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the

makkiz [27]

$f(t)=h=-16t^2+20t+6

$

a=-16, b=20, c =6

Δ= $b^2-4ac=20^2-4*(-16)*6=400+384=784$

$\sqrt{Δ}=\sqrt{784}=28$

max:

$p=-\frac{b}{2a}=-\frac{20}{-32}=\frac{20}{32}=\frac{5}{8}$

max heigh: $h=-16(\frac{5}{8})^2+20*\frac{5}{8}+6=-16\frac{25}{64}+\frac{100}{8}+6$

$h=-\frac{25}{4}+\frac{50}{4}+6=\frac{-25+50+24}{4}=\frac{49}{4}$

$h=\frac{49}{4}$ at $t=\frac{5}{8}s$

will fall down at t:

$t=\frac{-20-28}{-32}=\frac{-48}{-32}=\frac{3}{2}=1.5$

$t=1.5s$

8 0

3 years ago

It looks easy i just dont know how to do it can someone help me out

Arada [10]

Answer:

Step-by-step explanation:

16+4x = 10 +14

-16 -16

4x = 8

/4 /4

x=2

8x=8(2)

=16

3 0

2 years ago

Find the area of the shape.<br> 7 m<br> 5 m<br> 15 m<br> 4 m

Katena32 [7]

Sorry, idk I just need to answer 1 question to keep asking for more

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3 years ago

A circle is centered at the origin and contains the point (-6, -8). What is the area of this circle?

gogolik [260]

Answer:

314 units²

Step-by-step explanation:

Centre of the circle = (0, 0)

Another point on the circle = (-6, -8)

$\text {Radius = }\sqrt{(0 - (-6))^2 + (0- (-8))^2}$

$\text {Radius = }\sqrt{6^2 + 8^2}$

$\text {Radius = }\sqrt{100}$

$\text {Radius = }10$

Area = π (10)² = 100π = 314 units²

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3 years ago

What is new equation if the function y=2^x is translated 5 units to the right and 1 unit down?

Alja [10]

2^(x-5) -1 should be it

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3 years ago