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netineya [11]
2 years ago
11

At noon, the temperature in Tempest, California was

Mathematics
1 answer:
Gala2k [10]2 years ago
4 0

Answer:

The change was 18 ° F

Step-by-step explanation:

We know that:

At noon, the temperature in Tempest, California was 78°F

At midnight the temperature is:  60°F.

To find the temperature drop, subtract the temperature of  noon with the temperature at midnight.

Change= 78\°F - 60\°F = 18\°F

<h3>The change was 18 ° F</h3>

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Michael has some coins in his pocket consisting of dimes, nickels, and pennies. He has two more nickels than dimes, and three ti
velikii [3]
X = number of dimes 
x + 2 = number of nickels
3(x + 2) = number of pennies 

10x + 5(x + 2) + 3(x + 2) = 52
10x + 5x + 10 + 3x + 6 = 52
18x = 36
x = 2

x = 2 (number of dimes)
x + 2 = 4 (number of nickels)
3(x + 2) = 12 (number of pennies)

Check:
2(10) = 20 cents in dimes
4(5) = 20 cents in nickels
12(1) = 12 cents in pennies
Total = 52 cents 
7 0
3 years ago
Read 2 more answers
Let X be the damage incurred (in $) in a certain type of accident during a given year. Possible X values are 0, 1000, 5000, and
KIM [24]

Answer:

$600

Step-by-step explanation:

Let the random variable X denote the damage in $ incurred in a certain type of accident during a given year. The probability distribution of X is given by

                        X : \begin{pmatrix}0 & 1000 & 5000 & 10\; 000\\0.81 & 0.09 & 0.08 & 0.02\end{pmatrix}

A company offers a $500 deductible policy and it wishes its expected profit to be $100. The premium function is given by

                    F(x) = \left \{ {{X+100, \quad  \quad  \quad \quad \quad \text{for} \; X = 0 } \atop {X-500+100} , \quad \text{for} \; X = 500,4500,9500} \right.

For X = 0,  we have

                              F(X) = 0+100 = 100

For X = 500,

                             F(X) = 500-500+100 = 100

For X = 4500,

                            F(X) = 4500-500+100 = 4100

For X = 9500,

                            F(X) = 9500-500+100 = 9100

Therefore, the probability distribution of F is given by

                           F : \begin{pmatrix} 100 & 100 & 41000 & 91000\\0.81 & 0.09 & 0.08 & 0.02\end{pmatrix}

To determine the premium amount that the company should charge, we need to calculate the expected value of F.

E(F(X)) = \sum \limits_{i=1}^{4} f(x_i) \cdot p_i = 100 \cdot 0.81 + 100 \cdot 0.09 + 4100 \cdot 0.08 + 9100 \cdot 0.02

Therefore,

                             E(F) = 81+9+328+182 = 600

which means the $600 is the amount the should be charged.

3 0
3 years ago
Please help!!!! worth 50 points!
Verdich [7]

Answer:3

Step-by-step explanation:

Scale factor=9/3=3

4 0
3 years ago
Read 2 more answers
PLEASE EXPLAIN HOW TO DO THIS PROBLEM
jarptica [38.1K]

Answer:

y=1/3x + 2

Step-by-step explanation:

the y intercept is 2, and the second point goes up 1 over 3

rise over run

4 0
3 years ago
Read 2 more answers
If C is between A and B then AC + CB = AB. <br><br> A. Always <br> B. sometimes<br> D. Never
Arte-miy333 [17]

The answer would be Always

Hope this helped! :D


3 0
3 years ago
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