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3 years ago

Which point on the number line shows 45 ?

Mathematics

1 answer:

MatroZZZ [7]3 years ago

7 0

Point H shows 45 because 6.7 multiplied by each other equals 45 and 6.7 on the line is point H

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There are 4000 students at mountain high school and 1/8 of the students are seniors. If 1/5 of the seniors are in favor of the d

LenaWriter [7]

Answer: 1400 students

Explanation:

Total = 4000

Senior = 1/8 x 4000 = 500

Senior not in favor of debate = ( 1 - 1/5) x 500 = 400

Non senior = 4000 - 500 = 3500

Non-senior not in favor of debate = (1 - 5/7) x 3500 = 1000

Total = 400 + 1000 = 1400

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3 years ago

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

den301095 [7]

Answer: The price for one adult ticket is $10 and the price for one child ticket is $7.

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":

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

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