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2 years ago

Kate bought a bus pass that had an initial value of

Mathematics

1 answer:

gtnhenbr [62]2 years ago

8 0

The cost of one bus ride is 2% of the initial value of pass.

Step-by-step explanation:

Initial value of pass = $90

Cost of one ride = $1.80

Cost percent of one ride = $\frac{Cost\ of\ one\ ride}{Initial\ value\ of\ pas}*100\\$

$Cost\ percent\ of\ one\ ride=\frac{1.80}{90}*100\\\\Cost\ percent\ of\ one\ ride=\frac{180}{90}\\\\Cost\ percent\ of\ one\ ride=2\%$

The cost of one bus ride is 2% of the initial value of pass.

Keywords: percentage, division

Learn more about division at:

#LearnwithBrainly

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decreasing the pressure

Step-by-step explanation:

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1 year ago

Erick, Mia, and Isabelle golfed 9 holes. Erick scored 10 more than Mia, and Isabelle scored 16 less than twice Mia's score. Use

klasskru [66]

X + x + 10 + 2x - 16

x = mia's score
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1 year ago

Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well

laiz [17]

Answer:

The value is $P(A) = 0.133617$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 7.5$

The standard deviation is $\sigma = 0.2$

The safest water level is between 7.2 and 7.8

Generally the probability that the selected pool has a pH level that is not considered safe is mathematically represented as

$P(A) = 1 - P(7.2 \le X \le 7.8 )$

Here

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - \mu }{\sigma } < \frac{X - \mu }{ \sigma }$

Generally $\frac{X - \mu }{ \sigma } = Z (The \ standardized \ value \ of X )$

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - 7.5 }{0.2 } < Z$

$P(7.2 < X < 7.8 ) = P(-1.5 < Z$

=> $P(7.2 < X < 7.8 ) = P(Z < 1.5) - P( Z < - 1.5)$

From the z-table the probability of (Z < -1.5) and ( Z <1.5) are

$P(Z < 1.5) = 0.93319$

and

$P(Z < -1.5) = 0.066807$

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$P(7.2 < X < 7.8 ) =0.0866383$

$P(A) = 1 - 0.0866383$

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5 0

1 year ago

Choose which statements are true about Pi. Check all that apply. Piis a whole number. Piis double the radius. Piis approximately

Ludmilka [50]

Answer:

Answer in explanation

Step-by-step explanation:

In this question, we would be examining the validity of some statements on the number π(pi)

π Is a whole number?

This is wrong, π is a fraction of 22 to 7 parts I.e 22/7

π Is double the radius?

This is wrong. It is the diameter that is double the radius

π Is approximately 3.14?

This is correct to an extent. The actual value in decimal is around 3.142857142857143 which makes the 3.14 somehow correct

π represents the ratio of the circumference of the circle to the diameter?

This is correct.

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Hence C/D = π

π Is approximately 22/7?

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7 0

1 year ago

Read 2 more answers

Which product is modeled by the number line below? A number line going from negative 8 to positive 8. An arrow goes from 0 to ne

Mariana [72]

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Step-by-step explanation:

The model could be explained as follows ;

Step 1 : 0 - - - - > - 2 = - 2 units

Step 2 : -2 - - - - > -4 = - 2 units

Step 3: - 4 - - - - > -6 = - 2 units

Step 4: - 6 - - - - > -8 = - 2 units

-2 units for reach of the 4 steps

Therefore, model is expressed as :

(-2) × 4

(-2)(4)

Kindly view detailed sketch and explanation in the picture attached.

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2 years ago