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Vladimir79 [104]
2 years ago
12

A ball is dropped from the top of a 83-m-high building. What speed does the ball have in falling 3.6 s?

Mathematics
1 answer:
GalinKa [24]2 years ago
7 0

Answer:

23.05

Step-by-step explanation:

divide

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( − 9 , 7 ),(−6,−3)
lina2011 [118]

Answer: If you wanting to find the slope, the answer would be m = -10/3

Step-by-step explanation: Use the slope formula to find the slope m.

Hope this helps you out! ☺

3 0
3 years ago
Solve the equation: sin(2x)= sin x
Anna [14]

Answer:

Below

Step-by-step explanation:

sin(2x) = 2 ×cos(x)× sin(x)

● sin(x) = 2 × cos(x) × sin(x)

● 2 × cos(x) = 1

● cos (x) = 1/2

So we can deduce that:

● x = Pi/3 + 2*k*Pi

● or x = -Pi/3 + 2*k*Pi

K is an integer

3 0
3 years ago
Simplify the expression 2p + 3/4p + 6 - p - 3 1/2
lozanna [386]

<u>Answer:</u>

  • The simplified expression is "7p/4 + 2 1/2" or "1.75p + 2.5".

<u>Step-by-step explanation:</u>

  • 2p + 3/4p + 6 - p - 3 1/2
  • => (2p - p + 3/4p) + (6 - 3.5)
  • => 1.75p + 2.5

Hence, the simplified expression is "<u>7p/4 + 2 1/2</u>" or "<u>1.75p + 2.5</u>". Any of these would work.

Hoped this helped.

BrainiacUser1357

7 0
2 years ago
Please answer the 2 question <br> l will mark as brainiest
N76 [4]

Answer:

1. A=πr2=π·4.62≈66.4761

A≈66.48

2. A=πr2=π·22≈12.56637

A≈12.57

please mark as brainiest

3 0
2 years ago
Read 2 more answers
The solution set for <br> 6a^2-a-5=0
Alex_Xolod [135]

Answer:

a=1 or a=5/6

Step-by-step explanation:

I'm going to attempt to factor 6a^2-a-5

a=6

b=-1

c=-5

Find two numbers that multiply to be a*c and add to be b.

a*c=-30                                   =-6(5)

b=-1                                          =-6+5

So replace -a with -6a+5a in the expression we started with

6a^2-6a+5a-5

now we factor by grouping

6a(a-1)+5(a-1)

(a-1)(6a-5)

Now let's solve the equation:

(a-1)(6a-5)=0

So a=1 or a=5/6

4 0
3 years ago
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