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2 years ago

A line segment is drawn from (3, 2) to (3, 9) on a coordinate grid.

Mathematics

2 answers:

Citrus2011 [14]2 years ago

7 0

Answer:

Step-by-step explanation:

Only C (subtract 2 from 9) could be true. This subtraction produces a measure of the vertical distance between the two points. (3, 9) is 7 units further above the x-axis than is (3, 2).

DiKsa [7]2 years ago

4 0

Answer:

The answer is, C. Subtract 9 - 2

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6. Calculate the area of the octagon in the figure below.

Kryger [21]

Answer:

$41\text{ [units squared]}$

Step-by-step explanation:

The octagon is irregular, meaning not all sides have equal length. However, we can break it up into other shapes to find the area.

The octagon shown in the figure is a composite figure as it's composed of other shapes. In the octagon, let's break it up into:

4 triangles (corners)
3 rectangles (one in the middle, two on top after you remove triangles)

Formulas:

Area of rectangle with length $l$ and width $w$ : $A=lw$
Area of triangle with base $b$ and height $h$ : $A=\frac{1}{2}bh$

Area of triangles:

All four triangles we broke the octagon into are congruent. Each has a base of 2 and a height of 2.

Thus, the total area of one is $A=\frac{1}{2}\cdot 2\cdot 2=2\text{ square units}$

The area of all four is then $2\cdot 4=8$ units squared.

Area of rectangles:

The two smaller rectangles are also congruent. Each has a length of 3 and a width of 2. Therefore, each of them have an area of $3\cdot 2=6$ units squared, and the both of them have a total area of $6\cdot 2=12$ units squared.

The last rectangle has a width of 7 and a height of 3 for a total area of $7\cdot 3=21$ units squared.

Therefore, the area of the entire octagon is $8+12+21=\boxed{41\text{ [units squared]}}$

4 0

2 years ago

Please help , if you can help me with a few more problems that would be lovelyyy just hit my dms my insta is ynlness.a :)

SSSSS [86.1K]

Answer:

I think it is b

Step-by-step explanation:

it is just rotating the size is not changing

4 0

2 years ago

Tim buys a torch and battery the torch costs 11 times as much as the battery Tim pays with a ?10 note and he gets ?4.84 change h

KengaRu [80]

The cost of 1 battery is 0.43

Step-by-step explanation:

Let the cost of 1 battery be x

We are given that the torch costs 11 times as much as the battery

Cost of torch = 11x

Total cost of 1 battery and torch = 11x+x=12x

Tim pays $10

He receives change of $4.84

Total cost of 1 torch and battery = 10 - 4.84 =$5.16

So, $12x= 5.16$

$x= \frac{5.16}{12}$

$x=0.43$

Hence the cost of 1 battery is 0.43

6 0

2 years ago

Can someone help me with this question please

Whitepunk [10]

You know how there are 4 different areas in the graph, rotating it 180 degrees from that position will make it be in quadrant 2 (top left). in order to graph the ponts, since it is right across, then you just have to flip the shape around. like how you take a selfe, it flips the capture image around

3 0

2 years ago

The lines represented by the equations y x = 2 and y = x 2 are

Sloan [31]

Answer: Parallel

Step-by-step explanation:

3 0

2 years ago