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Art [367]
3 years ago
15

2/5(10x+25) Simplify Brainly

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0

Answer:

4x+10

Step-by-step explanation:

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Your friend shows you a coin collection. 35/50 (35 out of 50) of those coins are quarters. What percent of the coins are quarter
Natasha2012 [34]
70% of the coins are quarters

hope this helps
3 0
3 years ago
A rock is thrown upward with a velocity of 17 meters per second from the top of a 31 meter high cliff and it missies the cliff o
Vinvika [58]

Answer:

4.5\ \text{s}

Step-by-step explanation:

t = Time taken

u = Initial velocity =17 m/s

v = Final velocity

s = Displacement

a = Acceleration

g = Acceleration due to gravity = 9.81 m/s² = a

v^2-u^2=2as\\\Rightarrow s=\dfrac{v^2-u^2}{2a}\\\Rightarrow s=\dfrac{0^2-17^2}{2\times -9.81}\\\Rightarrow s=14.73\ \text{m}

Total height the rock is to fall when it is 8 meters from the ground is 14.73+(31-8)=37.73\ \text{m}

v=u+at\\\Rightarrow t=\dfrac{v-u}{a}\\\Rightarrow t=\dfrac{0-17}{-9.81}\\\Rightarrow t=1.73\ \text{s}

Time taken to reach the maximum height is 1.73 s.

s=ut+\dfrac{1}{2}at^2\\\Rightarrow 37.73=0+\dfrac{1}{2}\times 9.81t^2\\\Rightarrow t=\sqrt{\dfrac{37.76\times 2}{9.81}}\\\Rightarrow t=2.77\ \text{s}

Time taken from the maximum height to the point which is 8 m from the ground is 2.77 s.

So, time taken from the moment of the throw to the point 8 m from the ground is 1.73+2.77=4.5\ \text{s}.

5 0
3 years ago
Least to greatest 1/2,5/6,5/8,5/12 HURRY PLEASE
Roman55 [17]

Answer:

1/2 , 5/6 , 5/8 ,5/12

5 0
3 years ago
Read 2 more answers
A 20-foot pole leaning against a wall reaches a point 18 feet above the ground .what is the angle which the pole makes with the
dlinn [17]
Sinα=h/L

α=arcsin(h/L)°  we are told that h=18 and L=20 so

α=arcsin(9/10)°

α≈64°  (to nearest whole degree)
3 0
3 years ago
Carlos had $2,400 worth of sales in June. His rate of commission is 12%. How much commission did he make in June?
Fynjy0 [20]
Multiply the amount of sales, by the percentage of commission.

12% = 0.12

2,400 x 0.12 = 288

He made $288 in commission


5 0
3 years ago
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