MATHEMATICS MIDDLE SCHOOL

Multiply two and four-fifths negative five and two-thirds .negative ten and eight-fifteenths
negative fifteen and thirteen-fifteenths
ten and eight-fifteenths
fifteen and thirteen-fifteenths

Answers

Answer 1

Answer:

It is the second choice

Answer 2

Answer:

B is correct i just took the test and got it right

Step-by-step explanation:

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Tell whether the ratios form a proportion. 9/4, 2/3

Answers

Answer:

No ratios do not form a proportion.

Step-by-step explanation:

For example you take these fractions 9/4 and 2/?

9 - 2

4 - ?

Solve: 4×2÷9= about 0.9

0.9≠ 3

Show twelve in four different ways use words pictures and numbers

Answers

24/4: 24-12: 12+0: 12/1: 48/4: 72/6:

What are the two sides that form the right angle of a right triangle called?

Answers

right triangle
the long side (the diagonal side, the side oposite the right angle) is hypotnuse

the side ones ar the legs

answer is the legs
since the hyptonuse is oposite the right angle, it cannot help form it

answer is the legs

Imagine two lines intersect. How can the properties of linear pairs and vertical angles help to determine the angle measures created by the intersecting lines? Explain.

Answers

Answer:

If you know the measure of one angle in a linear pair, you can find the measure of the other because the sum of the measure of the two angles is 180 degrees. If you know the measure of one angle in a pair of vertical angles, you can find the measure of the other because they are congruent.

Step-by-step explanation:

Answer: If you know the measure of one angle in a linear pair, you can find the measure of the other because the sum of the measure of the two angles is 180 degrees. If you know the measure of one angle in a pair of vertical angles, you can find the measure of the other because they are congruent.

Step-by-step explanation:

The figure is made up of two identical squares and has a perimeter of 42 inches. What is the area of one square?

Answers

The area of one square is 49 square inches.

What is a square?

A square is a two-dimensional figure and a four-sided polygon which has it's all sides equal in length and the measure of the angles are 90 degrees. The total interior angle is 360 degrees.

For the given situation,

The figure is made up of two identical squares. So it forms a rectangle.

Let width be x then length be 2x.

Perimeter of rectangle = 42 inches

The formula of perimeter of rectangle is

⇒ $P=2(l+w)$

⇒ $42=2(x+2x)$

⇒ $42=2x+4x$

⇒ $42=6x$

⇒ $x=(42)/(6)$

⇒ $x=7$

Thus one side of the square is 7 inches.

So formula of area of square is

⇒ $Area = (side)^(2)$

⇒ $Area = (7)^(2)$

⇒ $Area = 49$

Hence we can conclude that the area of one square is 49 square inches.

Learn more about squares here

brainly.com/question/27776258

#SPJ2

first solve for the perimeter of the rectangle

2w + 2l = 42

since the length of the rectangle is twice as long as the length and width of the square

2w = l

solve using substitution

2w + 2(2w) = 42
2w + 4w = 42
6w = 42
w = 7

are is length x width. a square has the same length and width

7 x 7 = 49

the area of one square is 49

I WILL GIVE BRAINLIEST! Justin is considering two websites for downloading music.The costs are detailed here.

Website 1: a yearly fee of $30 and $1.50 for each download

Website 2: $2 for each download

What is a system of equations to represent the costs for one year?

Express your equations in the form of y=mx+by=mx+b where x is the number of downloads for the year and y is the total cost for the year.
Give Equations for both websites
Website One-
Website Two-