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2 years ago

The probability of a fair coin landing heads-up in one toss is 1/2.If a coin is

Mathematics

2 answers:

dlinn [17]2 years ago

5 0

The answer is 10 as there is 50%-50% chance of both; probability of getting heads or tails is 1/2

tigry1 [53]2 years ago

4 0

Answer:

10/20 because then it's still a 50 50 chance so the answer it 10

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Desde la parte más alta de un edificio a 25 m una persona lanza hacia la base un objeto de 150 g con una velocidad de 0.8 m por

ANTONII [103]

Answer:

$E_{T} = 36.84 J$

Step-by-step explanation:

La energía mecánica total está dada por:

$E_{T} = E_{c} + E_{p}$

$E_{T} = \frac{1}{2}mv^{2} + mgh$

En donde:

m: es la masa = 150 g

v: es la velocidad = 0.8 m/s

h: es la altura = 25 m

g: es la gravedad = 9.81 m/s²

$E_{T} = \frac{1}{2}mv^{2} + mgh = \frac{1}{2}0.15 kg*(0.8 m/s)^{2} + 0.15 kg*9.81 m/s^{2}*25 m = 36.84 J$

Por lo tanto, la energía mecánica total es 36.84 J.

Espero que te sea de utilidad!

5 0

3 years ago

The length between the bases on a Major League Baseball diamond is 90 feet. Allyson wants to make a scale drawing of a baseball

Vinil7 [7]

Answer:

$\text{The scale is }\frac{1}{432}$

Step-by-step explanation:

Length between the bases on a major league diamond = 90 feet

1 feet = 12 inches

90 feet = 90 × 12

= 1080 inches

Length between the bases on a major league baseball diamond on scale drawing = 2.5 inches

$\text{Scale factor = }\frac{\text{Actual length}}{\text{Scale length}}\\\\\text{Scale factor = }\frac{1080}{2.5}=432$

$\text{Hence, the scale is }\frac{1}{432}$

4 0

3 years ago

Evaluate expression 8s-5t+s2;s=4,t=1

jeka57 [31]

8(4)-5(1)+2(4)
Multiply
32-5+8
Solve from left to right
28+8
36

The answer is 36

4 0

2 years ago

Which shows 0.23 repeated as a fraction.<br> A. 2/33 <br> B. 7/33 <br> C. 23/99 <br> D. 7/30

sergij07 [2.7K]

Answer: c

Step-by-step explanation: 23/99 as a fraction

8 0

3 years ago

What is six and eight seven thousandths as a decimal

dedylja [7]

Answer:

6.087

Step-by-step explanation:

0.000

^ones

^tenths

^hundredths

^thousandths

7 0

2 years ago