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sattari [20]
3 years ago
11

(08.07A LC)

Mathematics
1 answer:
shtirl [24]3 years ago
5 0

Answer:

25

Step-by-step explanation:

you would do the total which is 45-20

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At a local swimming pool, the diving board is elevated h = 9.5 m above the pool's surface and overhangs the pool edge by L = 2 m
beks73 [17]
<h2>Answer:</h2>

s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=4.9t^{2}

and,

v_{x}=1.39a_{x}+2.5

<h2>Step-by-step explanation:</h2>

In the question,

Taking the elevation of pool along the y-axis, and length of the board along the x-axis.

On drawing the illustration in the co-ordinate system we get,

lₓ = 2 m

uₓ = 2.5 m/s

and,

h_{y}=9.5\,m

So,

From the equations of the laws of motion we can state that,

s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}

So,

On putting the values we can say that,

s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=(0)t+\frac{1}{2}(9.8)t^{2}\\t^{2}=\frac{9.5}{4.9}\\t^{2}=1.93\\t=1.39\,s

Now,

The <u>equation of the motion in the horizontal</u> can be given by,

v_{x}=u_{x}+a_{x}t\\v_{x}=2.5+a_{x}(1.39)\\So,\\v_{x}=1.39a_{x}+2.5

<em><u>Therefore, the equations of the motions in the horizontal and verticals are,</u></em>

s_{y}=u_{y}t+\frac{1}{2}a_{y}t^{2}\\9.5=4.9t^{2}

and,

v_{x}=1.39a_{x}+2.5

6 0
3 years ago
Thx and have a great day!
lys-0071 [83]

Answer: doesnt make sense

Step-by-step explanation:

7 0
3 years ago
If f(x) = 5x(3exponent) - 2 and g(x) = 2x+1 , find (f+g) (x)
Rus_ich [418]

For this case we must find

(f + g) (x).

By definition we have to:

(f + g) (x) = f (x) + g (x)

We have the following functions:

f (x) = 5x ^ 3-2\\g (x) = 2x + 1

Now, applying the given definition, we have:

(f + g) (x) = 5x ^ 3-2 + 2x + 1\\(f + g) (x) = 5x ^ 3 + 2x-1

Answer:

(f + g) (x) = 5x ^ 3 + 2x-1

4 0
3 years ago
Jami deposits $800 in her bank account which collects 2% interest annually. How much total money will she have in her bank accou
xxTIMURxx [149]

Answer:

<u>$848</u>

Step-by-step explanation:

800 x .02 x 3

800 is the input

.02 is the interest but rule is to move the decimal over

3 is the 3 years

<u><em>I checked this with an interest calculator and its correct</em></u>

<u><em /></u>

https://www.dollartimes.com/savings/800

^thats the interest calculator if u need u can copy paste into ur browser^

8 0
3 years ago
How to draw a model to show that 1+4 is the same as 4+1?
jok3333 [9.3K]
4+1 = 1+4
\ / \ /
5 = 5

idk tho sorry if its wrong :(
5 0
3 years ago
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