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3 years ago

12

HELPPPPPPPPPPP PLSSSS FASTTTTTTT ASAPPPPPP WILL GIVE BRAINLIST

1 answer:

Firlakuza [10]3 years ago

5 0

Answer:

number 1

Step-by-step explanation:

The area of the parallelogram is 24099.9 and the area of number 1 is also 24099.9

Parallelogram - 40.2 x 21.8 x 27.5 = 24099.9

Number 1 - 40.2 x 27.5 x 21.8 = 24099.9

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The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 -57, where t is the time

cupoosta [38]

A stuntman jumping off a 20-m-high building is modeled by the equation h = 20 – 5t2, where t is the time in seconds. A high-speed camera is ready to film him between 15 m and 10 m above the ground. For which interval of time should the camera film him?

Answer:

$1\leq t\geq \sqrt{2}$

Step-by-step explanation:

Given:

A stuntman jumping off a 20-m-high building is modeled by the equation

$h =20-5t^{2}$ -----------(1)

A high-speed camera is ready to making film between 15 m and 10 m above the ground

when the stuntman is 15m above the ground.

height $h = 15m$

Put height value in equation 1

$15 =20-5t^{2}$

$5t^{2} =20-15$

$5t^{2} =5$

$t^{2} =1$

$t =\pm1$

We know that the time is always positive, therefore $t=1$

when the stuntman is 10m above the ground.

height $h = 10m$

Put height value in equation 1

$10 =20-5t^{2}$

$5t^{2} =20-10$

$5t^{2} =10$

$t^{2} =\frac{10}{5}$

$t^{2} =2$

$t=\pm\sqrt{2}$

$t=\sqrt{2}$

Therefore ,time interval of camera film him is $1\leq t\geq \sqrt{2}$

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3 years ago

3a^4(2b^6c^3)^2<br> Can someone help me simplify this?

Grace [21]

First you do 3a^4(2b^6c^3)^2
=12a^4b^12c^6

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2 years ago

Write two equelivant ratios 11 and 4

timofeeve [1]

Answer:

The answer is 8 : 22, 12:33 as they are two equelivant ratios 11 and 4

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2 years ago

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erastovalidia [21]

Answer:

The discriminant b2−4ac < 0, the equation has no real number solutions, it has complex solutions

Step-by-step explanation:

9x² - 4x + 1 = 0 ax² + bx + c = 0

The discriminant: b² - 4ac = (-4)² - 4*9*1 = 16 - 36 = -20

b2−4ac < 0, the equation has no real number solutions, it has complex solutions

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3 years ago

What is the quotient of 4.38 and 0.5

barxatty [35]

4.38 / 0.5 = 8.76

Hope it helps :D

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