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Sladkaya [172]
3 years ago
5

an athlete completes a race in 55.72 seconds how many times greater is the digit in the tens place than the digit in the ones pl

ace
Mathematics
2 answers:
Inessa05 [86]3 years ago
7 0
7 is 5 greater than the 2
kvasek [131]3 years ago
5 0

Answer:

The value of digit in tens place is 10 times greater than the value of digit in ones place.

Step-by-step explanation:

Let the value of digit in tens place be x times the value of digit in ones place.

We are asked to find the value of the digit in the tenths place is how many times as much as the value of the digit in the thousandths place.

55.72

Ones: 5

Tens: 5

\text{5-ones}=5

\text{5-tens}=5\times 10=50

x\cdot\text{Ones-digit}=\text{Tens-digit}

x\cdot5=50

\frac{x\cdot5}{5}=\frac{50}{5}

x=10

Therefore, the value of the digit in the tens place is 10 times greater than the value of the digit in the ones place.

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In the middle:

50° + 63° + x= 180°

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∆ on the right:

67° + 85° + x = 180°

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6 0
3 years ago
A certain ball is dropped from a height of x feet. It always bounces up to 2/3 x feet. Suppose the ball is dropped from 10 feet
galina1969 [7]

Given that if a ball is dropped from x feet, it bounces up to 2/3 x feet.

And the ball is dropped from 10 feet, that is x=10 feet,

So,before the first bounce it travels 10 feet distance.

Between first and second bounce it travels  \frac{2}{3}* 10 + \frac{2}{3} * 10 = 20*(\frac{2}{3})

Between second and third bounce, it travels 20*(\frac{2}{3})^{2}

Between third and fourth bounce, it travels 20*(\frac{2}{3}) ^{3}

Like that between 29th and 30th bounce, it travels 20*(\frac{2}{3} )^{29}

Hence total distance traveled is

    10+20*(\frac{2}{3} )+20*(\frac{2}{3})^{2} + 20*(\frac{2}{3}) ^{3}+......+20*(\frac{2}{3})^{29}

=10+20[(\frac{2}{3}) +(\frac{2}{3}) ^{2} +(\frac{2}{3}) ^{3} +.....+(\frac{2}{3} )^{29} ]

= 10+20[\frac{\frac{2}{3}*(1-(\frac{2}{3})^{29})  }{1-\frac{2}{3} }]

= 10+20*2*(1-(\frac{2}{3}) ^{29})

= 49.9997 feet ≈ 50 feet approximately.

7 0
3 years ago
Read 2 more answers
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Artemon [7]
Y=-2x+20
Input 50
Y=-2(50)+20
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I hope this helps :) feel free to ask if you need anything cleared up
3 0
3 years ago
Solve the system of equations using substitution.
True [87]
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The answer is no solution
6 0
3 years ago
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natima [27]

Answer:

125

Step-by-step explanation:

6 and 7 are on a straight line (180 degrees)

Angle 2 is equal to Angle 6

Therefore 180 - Angle 6 = Angle 7

180 - 55 = 125

7 0
3 years ago
Read 2 more answers
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