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torisob [31]
3 years ago
12

The governor of a state earns $54,625 more than the governor of state B. If the total of their salaries is 286,165, find the sal

aries of each
Mathematics
1 answer:
Kitty [74]3 years ago
6 0
For this case, the first thing we must do is define variables.
 We have then:
 x: governor of a state gains
 y: governor of b state earnings
 We now write the system of equations that models the problem.
 We have then:
 x + y = 286165

x = y + 54625
 Solving the system of equations we have:
 y + 54625 + y = 286165

2y = 286165 - 54625

2y = 231540

y = 231540/2

y = 115770
 Then, for x:
 x = y + 54625

x = 115770 + 54625

x = 170395
 Answer: governor of a state earns $ 170395
 
governor of b state earns $ 115770
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9. Rama is using a hand glider to fly directly from the top of one cliff onto another cliff below. The glider is guided by a cab
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791.2 ft

Step-by-step explanation:

The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

H=\sqrt {x^{2}+y^{2}}

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then

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At a movie theater, the price of two adult tickets and for children ticket is $40 the price of a daughter gets into trouble to g
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Step-by-step explanation:

<h3> The correct exercise is: "At a movie theater, the price of 2 adult tickets and 4 children tickets is 48$. The price of 5 adult tickets and 2 child tickets is 64$. What is the price for one adult and one child?"</h3>

Let be "a" the price (in dollars) for one adult ticket and "c" the price (in dollars) for one child ticket.

Set up a System of equations with the data given in the exercise:

\left \{ {{2a+4c=48} \atop {5a+2c=64}} \right.

You can use the Elimination method to solve the System of equations:

1. Multiply the second equation by -2.

2. Add the equations.

3. Solve for "a".

Then:

\left \{ {{2a+4c=48} \atop {-10a-4c=-128}} \right.\\........................\\-8a=-80\\\\a=\frac{-80}{-8}\\\\a=10

4. Substitute the value of "a" into any original equation.

5. Solve for "c":

2(10)+4c=48\\\\4c=48-20\\\\c=\frac{28}{4}\\\\c=7

8 0
3 years ago
Suppose that you live in a community that has 125,000 households. Among these households, 50,000 have traditional landline telep
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Answer:

0.4 = 40% probability that the second household selected will have a traditional landline telephone

Step-by-step explanation:

A probability is given by the number of desired outcomes divided by the number of total outcomes.

We have that:

125,000 households

50,000 have traditional landlines telephones.

The first household selected does not have a traditional landline telephone.

Now we have 125000 - 1 = 124,999 households, and 50,000 have traditional landlines telephones.

What is the probability that the second household selected will have a traditional landline telephone

p = \frac{50000}{124999} = 0.4

0.4 = 40% probability that the second household selected will have a traditional landline telephone

6 0
3 years ago
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