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svet-max [94.6K]
2 years ago
8

I need help on this please

Mathematics
1 answer:
Sidana [21]2 years ago
8 0

Answer:

7.5

Step-by-step explanation:

because a^2+b^2=c^2 then:

a=5

c=9

b=?

so you do 9^2 - 5^2 which will give you 56, you square root 56 and get 7.48 which you round to 7.5 since it wants it in <em>tenths</em>

<em>pls brainliest if you found it useful</em>

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A particle is projected at a speed of 12 ms^-1 up a straight inclined track. Whilst on the
seraphim [82]

The time taken for the particle to travel more than 8 meters from the point of projection is 0.59 s.

<h3>Time of motion of the particle</h3>

The time taken for the particle to travel more than 8 meters from the point of projection is calculated as follows;

s = v₀t + ¹/₂at²

8 = 12t + (0.5 x 5)t²

8 = 12t + 2.5t²

2.5t² + 12t  - 8 = 0

solve the equation using formula method

t = 0.59 s

Thus, the time taken for the particle to travel more than 8 meters from the point of projection is 0.59 s.

Learn more about time of motion here: brainly.com/question/2364404

4 0
2 years ago
5,25,125 find 10th term
anastassius [24]

Answer:

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Step-by-step explanation:

There is a common ratio between consecutive terms , that is

r = 25 ÷ 5 = 125 ÷ 25 = 5

This indicates the sequence is geometric with n th term

a_{n} = a₁r^{n-1}

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Here a₁ = 5 and r = 5 , then

a₁₀ = 5 × 5^{9} = 5 × 1953125 = 9765625

6 0
3 years ago
Another question I need help with
mote1985 [20]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Rebecca buy some scarves that cost five dollars each and two purses that cost 12 each The cost Rebecca’s total purchase is $39 w
Fittoniya [83]

Answer:

d.

Step-by-step explanation:

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4 0
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168 h = [?] days helppp
Nitella [24]

24 h in 1 day

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6 0
2 years ago
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