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Kruka [31]
3 years ago
7

0.2 kg ball is thrown with velocity of 6m/s, what is its KE

Mathematics
1 answer:
const2013 [10]3 years ago
7 0

Step-by-step explanation:

kinetic energy=1/2mv^2

=1/2×0.2kg×36

=3.6

Please mark it as brainliast

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Vertex and axis of symmetry
Furkat [3]

Answer:

Vertex = (-3, -1)

Axis of Symmetry: x = -3

Step-by-step explanation:

The vertex is (-3, -1), the axis of symmetry is x = -3. The x-intercept is -2 and -4, the y intercept is 8, the domain is R, the range is [-1, inf.]

The function is increasing in {-3, inf.} and decreasing in {-inf., 3}

5 0
3 years ago
Use a half-angle identity to find the exact value of tan 105º.
muminat

Answer:

i give up

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Easy one - giving brainly if correct - show work.
Maksim231197 [3]

Answer:

a = 9.6 b = 11.2

Step-by-step explanation:

10 percent of 8 is .8

8 + (8 x .1) = 8.8

8.8 + .8 = 9.6

She will be paid 9.6 dollars after 1 full year of working, because working for one year is 12 months, and thats 10 percent of 8 twice. You can also put that as 20 percent of 8, aka 1.6

When you do 8+1.6 it equals 9.6

For the second part, that is 24 months, so 10 percent of 8 4 times. .8+.8+.8+.8 = 3.2

8+3.2 = 11.2

She will be paid 11.2 dollars after 2 full years of working.

Your answer isnt wrong, I dont know why your teacher is saying it is.

4 0
2 years ago
If 60 marks is 40%, how much is full marks (Show your working out)?
Vitek1552 [10]
' 40% ' means 0.4 .

You said that                           60          = 0.4 x Full

Divide each side by 0.4 :       60 / 0.4  =   1  x Full

                                                       Full  =  150 .
8 0
3 years ago
Read 2 more answers
Look at the right triangle ABC:
prisoha [69]

Answer:

The first incorrect justification is in step 2.

Step-by-step explanation:

<u>Step 2</u>. BC2 = AC • DC  

2. BC ÷ DC = BC ÷ AC because triangle ABC is similar to triangle BDC

It's supposed to be AC ÷ BC not BC ÷ AC.

8 0
3 years ago
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