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Anika [276]
3 years ago
14

Please! I need help!

Mathematics
1 answer:
topjm [15]3 years ago
7 0

Answer:

2^1×2^3

2^8×2^−5

2^1×2^2

Step-by-step explanation:

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An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled usin
GuDViN [60]

Answer:

<em>3 seconds</em>

Step-by-step explanation:

Complete question:

<em>An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled using h(t)=144-16t2. How many seconds will it take the object to reach the ground? 2 seconds 3 seconds 9 seconds 16 seconds</em>

<em></em>

Given the height of an object modelled by the expression;

<em>h(t)=144-16t²</em>

The object will reach the ground when h(t) = 0

Substitute into the formula

0 = 144 - 16t²

-144 = -16t²

144 = 16t²

Swap

16t² = 144

t² = 144/16

t² = 9

Square root both sides

√t² = ±√9

t = ±3secs

<em>Since the time cannot be negative, hence the object will reach the ground 3 seconds after</em>

8 0
3 years ago
A square is inscribed in a circle that has a radius of 2 cm. What is the length of one side of the square?
dybincka [34]
So it must have side length √<span>16 = </span>4 cm<span> and diagonal  </span>length                            4√2 cm<span>.</span>
8 0
3 years ago
Pls help will give crown to best answer!!
MissTica
Your answer is -B- i’m 100% sure
7 0
3 years ago
If demand function is Qd=150+10p and supply function is Qs=300-2p, find the equilibrium price.​
olga nikolaevna [1]

Answer:

qd = qs

150+10p=300-2p

10p+2p=300-150

Step-by-step explanation:

12p=150

P=150÷12

P=12.5

The equilibrium price is 12.5 or 13

8 0
2 years ago
What is a solution to (x + 6)(x + 2) = 60?<br> 0 x = -6<br> 0 x = -4<br> 0 х = 4<br> 0 х = 12
mr Goodwill [35]
X = 4.

4 + 6 = 10

4 + 2= 6

(10)(6) = 60
7 0
3 years ago
Read 2 more answers
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