MATHEMATICS HIGH SCHOOL

The Martinez family spent 28% of its monthly income for housing. If the family’s monthly income is $3,200, how much did they spend for housing?

Answers

Answer 1
Answer:

Answer:.

Step-by-step explanation:

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Define a function. Describe what the vertical line test is used for. Describe a real life situation that can be represented by a function.

Answers

A function is a relationship with a quantity (number). For example, if you made a table, and had one side be 1 2 3 4 5 (X axis) and then the y axis (other side) be 5, 10, 15, 20, 25, the function (rule) would be y= x5. The vertical line test is used to see if a graph has a function or not, so if it creates a vertical line on a graph, it has a function.
A real life situation would be miles per hour, so, for the x axis (hours) it said 1, and for the y axis (miles) it would be 60, this means in a duration of 1 hour you went 60 miles. Well, lets say you went 2 hours driving, the miles would be 120. 
For 3 hours, it would be 180. The function here is y= x60!
If you have any questions ask me!

Y=3x 2x+y=15
Can you please help with this? It's confusing. It's soling systems of equations by substitution

Answers

so you subtitute y=3x into
2x+y=15
so
2x+(3x)=15
add like terms
5x=15
divide both sides by 5
x=3

subtitute x=3 into first equation (y=3x)
y=3(3)
y=9
it's simple jus plug in 3x into Y and u will have 2x+3x=15 
                                                                              5x=15
                                                                               the answer(x=3)

The diameter of a cylinder is 6 feet 6 inches. The height of a cylinder is 12 feet 3 inches.

What is the surface area?    (feet squared)

What is the volume?      (feet cubed)

Answers

d-the\ diameter\nr-the\ radius\nH-the\ height\n\nd=6ft\ 6

-37= n/23
what is n?

Answers

-37 = n
       23

to solve for n, undo what is happening to the n. if the n is being divided by 23 to get -37, then multiply both sides by 23 to figure out what n is. 

-37 * 23 = n * 23 
                   23

-851 = n
the 23 is crowding the n by division
so to undo that we multiply both sides by 23
to get n alone

n = -37 * 23 = - 851

so n = - 851

How many sides do a trapezoid has

Answers

4 sides.  Think of a trapezoid like a drunk rectangle.

-Hope this helps!
A trapezoid has 4 sizes 1 on top and bottom and left and right

Canvas cloth cost 7.50 per square meter how much will 3.5 square meters of canvas cost ??

Answers

Answer:

$26.25 is the cost of 3.5 square meters canvas.

Step-by-step explanation:

Cost of one unit square canvas is given as $7.50 and we have to calculate the cost of 3.5 square meter cost of the canvas.

We can use the unitary method to solve this question.

∵ Cost of 1 square meter canvas = $7.50

∴ Cost of 3.5 square meter canvas = 7.5 × 3.5

                                                      = $26.25

Therefore, cost of 3.5 square meter of the canvas is $26.25.
3.5 sq.m. will cost $26.25
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