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guapka [62]
3 years ago
13

Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.50.

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0

Answer:

$9

Step-by-step explanation:

If you do 13x1.50= 19.5

28.50 - 19.5 = 9

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Two towns have accumulated different amounts of snow. Town 1 has 5 inches of snow so far. Town 2 has 6 inches of snow so far. Ev
Rainbow [258]

Answer:

<h2>9 hours</h2>

Step-by-step explanation:

This is a fun one, because we just add the respective amounts until we get them to match.

Town 1:

5

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22.5

25

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Town 2:

6

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15

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I'm always happy to help :)

3 0
3 years ago
If the standard deviation of x is 15, the covariance of x and y is 94.5, the coefficient of correlation r = 0.90, then the varia
Vesna [10]

We have the formula

Cov(X,Y)=\rho_{X,Y}\sqrt{Var(X)Var(Y)}

From the above formula,

Var(Y)=\frac{Cov(X,Y)^2}{\rho_{X,Y} ^2Var(X)}\\  Var(Y)=\frac{94.5^2}{0.9 ^215^2}\\  Var(Y)=49

That is variance of Y is 49 not 7.

Hence the statement is (b) False

7 0
3 years ago
line RP and line RQ are tangent to point G at P and Q. if the measurement of angle PRG=35 degrees, find the measurement of angle
Vilka [71]

Answer:

55°

Step-by-step explanation:

  1. By theorem of specific circle, the radius is perpendicular to the tangential line
  2. Summation of all internal angles equal to 180°

Thus from the atrachment, the angle PGR is 180°-35°-90°

= 55°

4 0
3 years ago
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