MATHEMATICS MIDDLE SCHOOL

MATH!!!!!!!! Help please

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

f(3) means what is the value of f(x) when x = 3

From the table

When x = 3 then f(x) = 9

Thus f(3) = 9

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What system of inequalities is graphed below?

Answers

Answer:

Equations are y > x² - 4 and y < x² + 6.

Step-by-step explanation:

Given : Graph with two parabola.

To find : What system of inequalities is graphed below.

Solution : We have given graph

We can see from the given graph both are dotted line that mean it does not have equal sign .

We can see graph with vertex ( 0 , -4 ) are shaded up ( grater than sign ) that mean equation would be

y > x² - 4.

For upper parabola vertex is ( 0 , 6) and shaded down( less than sign) that mean equation

y < x² + 6.

Therefore,Equations are y > x² - 4 and y < x² + 6.

$y\geq x^2-4-blue\n\ny < x^2+6-red\n\nAnswer:\text{I think is D.}\ny\geq x^2-4\ny < x^2+6$

the RATIO of floor seats to balcony seats in a theaters is 20:1. does this theater have more floor seats or more balcony seats? how do you know? SHOW WORK! PLEASE HELP!

Answers

Yes, this theater has more floor seats than balcony seats simply because of the ratio. Your answer is actually in the question. For example, if you have 100 floor seats, then according to the ratio you should only have 5 balcony seats. So yes, there are more floor seats than balcony seats.

Joseph is playing a game. He started with 15 points. In the first round he lost 30 points. In the second round he won 25 points. In the third round he lost 15 points. Write and solve an expression to show the change in Joseph’s score.

Answers

30-15=15+25-15=40-25 i think.

you have to add all the points he won and all the points he lost not toghether separatly then subtract all the points he lost from the ones he won

Kobe is drawing a net of a rectangular prism.How many rectangles should he draw if all the faces are rectangles?

Answers

He should draw six faces, since there are six faces on a rectangle.

he shold have 6 rectangels becase there is 4 rectangles and 2 squars squars are rectangels to or is it the other way arownd

A rectangle consists of two squares. Each square has a perimeter of 16 cm.

Answers

The rectangle would have a width of 32 cm and height of 16

What is 1 1/2×2

show your work

Answers

1 1/2 as a improper fraction is 3/2

2 as a fraction is 2/1.

Multiply: 3/2×2/1=6/2.

Simpliy: 6/2=3.

Therefore, the answer is 3.

1 1/2 can be written as an improper fraction. To do this you multiply 1 by the denominator which is 2 and add it to the numerator which is 1 and then put the resulting number over the denominator.

1 times 2 is 2.
2+1 is 3.
We now put 3 over 2.
$(3)/(2)$

3 divided by 2 multiplied by 2 would cancel out the 2's so the resulting answer would be 3.

Or you can multiply them.
$(3)/(2)*(2)/(1)=(3*2)/(2*1)=(6)/(2)=3$

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