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2 years ago

IMAGE ATTACHED please help giving 50 points

Mathematics

2 answers:

alexdok [17]2 years ago

5 0

Answer:

(4,1)

Step-by-step explanation:

when points are reflected on the y-axis you switch your x coordinate from positive to negative or the other way around the y coordinate stays the same.

(2,1) reflected is (-2,1)

(7,4) reflected is (-7,4)

(-8,-4) reflected is (8,-4)

so (-4,1) reflected is (4,1)

Greeley [361]2 years ago

5 0

Answer:

A' = (4, 1)

Step-by-step explanation:

When a point is reflected over the y-axis, the x-coordinate changes sign (from positive to negative, or negative to positive) and the y-coordinate stays the same.

Therefore, if A (-4, 1) is reflected over the y-axis, A' = (4, 1)

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At the movie theatre, child admission is S5.20 and adult admission is $8.30. On Tuesday, 156 tickets were sold for a total sales

Annette [7]

Answer:

So, 89 Adult tickets were sold.

Step-by-step explanation:

So, we first name our variables, say, a for number of adult tickets, and c for child tickets.

Then we write our system of equations, first the total $ sale:

5.2c + 8.3a = 1087.10

Then we write the 2nd equation, the total number of tickets:

c + a = 156

Now, we can solve the system:

We do have different methods, let's to by subsitution.

make some change to the 2nd equation, to make c the subject: c = 156 - a

Now we plug that into the 1st equation:

5.2(156 - a) + 8.3a = 1087.10

811.2 - 5.2a + 8.3a = 1087.10

811.2 + 3.1a = 1087.10

3.1a = 275.9

a = 89

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2 years ago

The area of the triangle below is 2/5 square foot what is tge lenght in feet of the base of the triangle

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3 years ago

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A skull cleaning factory cleans animal skulls of deer, buffalo and other types of animals using flesh-eating beetles. The fact

Strike441 [17]

Answer:

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Step-by-step explanation:

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2 years ago

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ra1l [238]

What are you trying to measure?

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2 years ago

Solve each system by elimination.<br> 3x + 2 =10 , 6 +4y = 15

NISA [10]

By elimination, the system of equations, 3x + 2y = 10 , 6x + 4y = 15, has no solutions.

A system of equations is a set of two or more equations which includes common variables. To solve system of equations, we must find the value of the unknown variables used in the equations that must satisfy all the equations.

There are three methods that can be used to solve system of equations.

1. Elimination

2. Substitution

3. Graphing

Using the elimination method, given two equations in x and y, a variable should be eliminated by adding/subtracting the two equations.

First, multiply the first equation by 2.

3x + 2y = 10 ⇒ 6x + 4y = 20 (equation 1)

6x + 4y = 15 (equation 2)

Since the new equation of equation 1 has the same coefficients with those in equation 2, but different constants, then the two lines are in parallel.

Hence, the system of equations has no solutions.

Learn more about solving systems of equations by elimination here: brainly.com/question/28405823

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6 months ago