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Nat2105 [25]
3 years ago
15

A rock is thrown from the top of a tall building. The distance, in feet, between the rock and the ground x seconds after it is t

hrown is given by f(x) = -16x^2- 4x + 382 How long after the rock is thrown does it hit the ground?
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
4 0

Answer:

bbbbbbbbbbbbbbbbbb

Step-by-step explanation:

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21. The volume of as sphere is 3,000pi m^3. What is the surface area of the sphere to the nearest square meter?
nevsk [136]
Pretty sure it's A ?? That's what I got. I'm taking this right now.
3 0
4 years ago
Plz help me I need help I am so stuck
lana [24]
Answer:

4^-5

Step-by-step explanation:

Since the have liked exponents, the exponent stays the same and divide 8 by 2 which equals 4.

Then place the exponent back to the quotient

6 0
2 years ago
For the function f(x)=-3(x-1) find f(0)
pentagon [3]
F(0)=-3(0-1)
f(0)=-3(-1)
f(0)=3
3 0
3 years ago
In the figure, point B is the midpoint of AC . Use the figure to answer the questions.
kirza4 [7]

Answer

Proof of (a)

Disagree with the  ΔABD = ΔCBD by the SAS congruence postulate .

SAS congurence property

In this congurence property two sides and one angle of the two triangles are equal .

(1) BD = BD ( Common sides of the  ΔABD and ΔCBD )

(2) AB =BC (B is the midpoint of the AC i.e it bisect AC in the two equal parts.)

but equal angles are not given

therefore disagree with the  ΔABD = ΔCBD  by the SAS congurence postulate .

Proof of (b)

SSS congurence property

In this congurence property three sides of the two triangles are equal .

In the ΔABD and ΔCBD .

(1) BD = BD ( Common sides of the  ΔABD and ΔCBD )

(2) AB =BC (B is the midpoint of the AC i.e it bisect AC in the two equal parts.)

(3) AD=CD  (Given )

ΔABD = ΔCBD  by the SSS congurence theorem

Hence proved


4 0
3 years ago
Determine if each of the numbers below is a solution to the inequality 3x-2<2-2x. SHOW ALL OF YOUR WORK
rodikova [14]

Answer:

b, c, and d are solutions

Step-by-step explanation:

3x - 2 < 2 - 2x

5x - 2 < 2

5x < 4

x < 4/5

b) 1/2 < 4/5  true

c) -3 < 4/5  true

d) 2/3 < 4/5  true

7 0
3 years ago
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