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adell [148]
4 years ago
6

Really need help not good in geometry

Mathematics
1 answer:
Mandarinka [93]4 years ago
4 0

Answer:18

Step-by-step explanation:It is the same shape just 3 times the size.

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Help me with number one and number six before answering say which number you are answering please help me and thank you.
Ksenya-84 [330]
1) 3 times 15 is 45
6) because in order for it to even have a slope it has to be constant through out the whole thing.
5 0
4 years ago
Y is a random variable that is distributed N(-16, 1.21). Find k such that Prob(-15.043 < Y ≤ k) = 0.1546. (Round your answer
IgorLugansk [536]

Transform <em>Y</em> to <em>Z</em>, which is distributed N(0, 1), using the formula

<em>Y</em> = <em>µ</em> + <em>σZ</em>

where <em>µ</em> = -16 and <em>σ</em> = 1.21.

Pr[-15.043 < <em>Y</em> ≤ <em>k</em>] = 0.1546

Pr[(-15.043 + 16)/1.21 < (<em>Y</em> + 16)/1.21 ≤ (<em>k</em> + 16)/1.21] = 0.1546

Pr[0.791 < <em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.1546

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] - Pr[<em>Z</em> < 0.791] = 0.1546

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] = 0.1546 + Pr[<em>Z</em> < 0.791]

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.1546 + 0.786

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.940

Take the inverse CDF of both sides (<em>Φ(x)</em> denotes the CDF itself):

(<em>k</em> + 16)/1.21 ≈ <em>Φ⁻¹</em> (0.940) ≈ 1.556

Solve for <em>k</em> :

<em>k</em> + 16 = 1.21 • 1.556

<em>k</em> ≈ -14.118

8 0
3 years ago
I need help with twenty seven
Elanso [62]
Ben is taller
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Marcus: 5 7/24 feet = 1.6129 meters
3 0
3 years ago
1. Find 3 prime factorization of the number 68.
n200080 [17]
1x68
2x34
4x17
Hope that helps
8 0
3 years ago
Read 2 more answers
You travel 10.7 miles (1 way) for work 5 days a week. On weekends you travel 5.8 miles. The last time you filled your tank you p
Kamila [148]

Answer:

<u>1. </u>0.0731 miles per gallon

2.  $967.46

Step-by-step explanation:

The <u>I way</u><u> </u>travel for 5 days to work will cover: 10.7  miles.

A two travel to work and back home will be : 10.7* 2 =21.4 miles

On weekends miles covered = 5.8 miles

Last time the tank was filled with = 17.2 gallons of gas

The Trip A meter read = 389.30 ----this is the average fuel mileage

This means the trip consumed : 389.30 - 17.2 = 372.1 gallons of gas

Total miles covered are : 21.4 + 5.8 = 27.2 miles

1. Miles per gallon for the car will be;

  372.1 gallons of gas = 27.2 miles

          1 gallon of gas = ?

{27.2 *1} / 372.1 =  <u>0.0731 miles per gallon</u>

2. Cost of  gas per week will be ;

   In the United States :

   1 gallon of gasoline = $2.60

     372.1 gallons of gas = ? $2.60 * 372.1 = $967.46

3 0
3 years ago
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