MATHEMATICS MIDDLE SCHOOL

What is the measure of Zx?Angles are not necessarily drawn to scale.
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20
M
41°
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What is the measure of Zx? Angles are not necessarily - 1

Answers

Answer 1
Answer:

Answer:

x = 139º

Step-by-step explanation:

A line = 180º

180º - 41 º = 139º

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What are three rational numbers between 0.2 and 0.3 (one must be a fraction)?

Answers

it would be 2/5 but the numbers between is 2/10 and 3/10
The answer will be 0.6 Hopes this helps. :)

Solve: 12 dogs decreased by 25% step by step pls.

Answers

decreased by 25%
find 25% of 12 and decrease 12 by it

percent means parts out of 100
25%=25/100=1/4
'of' means multiply
25% of 12=1/4 times 12=3

decrease 12 by 3
12-3=9

answer is 9

first turn 25% into a decimal so it's easier to work with, the decimal for 25% is 0.25

then multiply the number by the decimal

12x0.25=3

then subtract your answer (3) from your starting number

12-3=9

12 dogs decreased by 25% leaves you with 9 dogs left.


if you are increasing, divide instead of multiply

Find the sum of 130 cm. And 50 mm.in meters

Answers

The sum of 130 cm and 50 mm. in meters is 1.35 m.

What is the unitary method?

The unitarymethod is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. The unitary method is a method by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit.

We are given the sum of 130 cm and 50 mm. in meters

130 cm = 130 / 100

= 1,3m

50 mm = 50 / 1000

= 0,05m

Therefore, the addition is;

1.3 + 0.05m = 1.35m

Learn more about the unitary method, please visit the link given below;

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130 cm = 130 / 100 = 1,3m
50 mm = 50 / 1000 = 0,05m
1,3 + 0,05m = 1,35m

Determine the number of solutions based on the graph for the following system of equations. 3x + 5y = 12 −32 + 15y = −9x .

Answers

There is no solutions when you solve this algebraically, it ends up with 4 = 0 which is not true. When you graph it, the two equations are parallel, so there is no real solution.

Joanne buys a rectangular rug with an area of 35/4 square meters. The length of the rug is 7/2 meters. what is the width, in meters, of the rug?

HELP!!!!!

Answers

There are several information's of immense importance already given in the question. Based on those information's the answer can be easily deduced.
Area of the rectangular rug = 35/4 square meters
Length of the rug = 7/2 meters
Let us assume the width of the rug = x meters
Then
Area of the rug = Length * width
35/4 = (7/2) * x meters
x = (35/4) * (2/7) meters
   = 5/2 meters
So the width of the rectangular rug is 5/2 meters.

Answer:

5/2 meters

Step-by-step explanation:

Have a nice dayyyyyyyy!!!!!!!! ❤

Match each set of points with the slope of the line formed by the ordered pairs.

Answers

1) The slope of the point (0,0) and (2,1) is 1/2.

2) The slope of the point (0,-1) and (2,-5) is -2.

3) The slope of the point (0,7) and (2,4) is -3/2.

4) The points (-1,3) and (-1,-3) has No slope.

5) The slope of the point (1,-3) and (-1,-3) is zero.

Step-by-step explanation:

There are five set of points given in the question.

You need to find out the slope of the line formed by the points.

The formula used to find the slope of a line is given by,

Slope = (y2-y1)/(x2-x1)

1) The given points are (0,0) and (2,1)

(x1,y1) ⇒ (0,0)

(x2,y2) ⇒ (2,1)

Slope = (1-0)/(2-0)

⇒ 1/2 is the slope.

2) The given points are (0,-1) and (2,-5)

(x1,y1) ⇒ (0,-1)

(x2,y2) ⇒ (2,-5)

Slope = (-5+1)/(2-0)

⇒ (-4)/(2)

⇒ -2 is the slope.

3) The given points are (0,7) and (2,4)

(x1,y1) ⇒ (0,7)

(x2,y2) ⇒ (2,4)

Slope = (4-7)/(2-0)

⇒ -3/2 is the slope.

4) The given points are (-1,3) and (-1,-3)

(x1,y1) ⇒ (-1,3)

(x2,y2) ⇒ (-1,-3)

Slope = (-3-3)/(-1+1)

⇒ -6/0 (No slope)

If the denominator of a fraction is zero, the expression is not a legal fraction because it's overall value is undefined.

∴ There is no slope.

5) The given points are (1,-3) and (-1,-3)

(x1,y1) ⇒ (1,-3)

(x2,y2) ⇒ (-1,-3)

Slope = (-3+3)/(-1-1)

⇒ 0/-2

∴ The slope is zero.

1) The slope of the point (0,0) and (2,1) is 1/2.

2) The slope of the point (0,-1) and (2,-5) is -2.

3) The slope of the point (0,7) and (2,4) is -3/2.

4) The points (-1,3) and (-1,-3) has No slope.

5) The slope of the point (1,-3) and (-1,-3) is zero.

The slope of a line represents the rate at which the line rises or falls as you move horizontally along it. It's calculated as the change in the y-coordinate divided by the change in the x-coordinate between two points on the line.

1. (0, 0) and (2, 1):

  Slope = (1 - 0) / (2 - 0) = 1 / 2 = 0.5

  The slope is positive, indicating a rising line.

2. (0, -1) and (2, -5):

  Slope = (-5 - (-1)) / (2 - 0) = -4 / 2 = -2

  The slope is negative, indicating a falling line.

3. (0, 7) and (2, 4):

  Slope = (4 - 7) / (2 - 0) = -3 / 2

  The slope is negative, indicating a falling line.

4. (-1, 3) and (-1, -3):

  Slope = (-3 - 3) / (-1 - (-1)) = -6 / 0

  The denominator is zero, indicating a vertical line. Vertical lines have undefined slopes.

5. (1, -3) and (-1, -3):

  Slope = (-3 - (-3)) / (-1 - 1) = 0 / -2 = 0

  The slope is zero, indicating a horizontal line.

Learn more about slope here

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