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3 years ago

From two-dimensional space to three dimensional space, the number of quadrants ___________

Mathematics

2 answers:

FromTheMoon [43]3 years ago

4 0

Answer:

<h2>Increase.</h2>

Step-by-step explanation:

Two-dimensional space is modelled by the coordiante system with 4 quadrants only, and the axis are x and y, the independent and the dependent variables, respectively.

On the other hand, the three-dimensional space has three coordinates, x, y and z. The extra coordinate allows to have a three-dimensional space. Also, this extra coordinate increases the number of quadrants, actually, they are called octants, becayse they are eight.

Therefore, the word missing here is "increase".

lisabon 2012 [21]3 years ago

4 0

Answer:

The number of quadrants from a two dimensional space are doubled from 4 to 8.

<u>The number of quadrants are doubled</u>

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Which of the following equations describes the line shown below? Check all

nexus9112 [7]

Answer:

C and D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Calculate m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 3, - 6) and (x₂, y₂ ) = (9, 3) ← 2 points on the line

m = $\frac{3+6}{9+3}$ = $\frac{9}{12}$ = $\frac{3}{4}$

Using (a, b ) = (9, 3 ) , then

y - 3 = $\frac{3}{4}$ (x - 9) → C

Using (a, b ) = (- 3, - 6 ), then

y - (- 6) = $\frac{3}{4}$ (x - (- 3) ) , that is

y + 6 = $\frac{3}{4}$ (x + 3) → D

4 0

3 years ago

jerry is a judge. He hears 5 cases every 2 3/8 hours. Jerry hears caese at a constant rat. How many cases does he hear per hour

faust18 [17]

Answer:

The number of cases heard by Jerry per hour is $2\frac{21}{500}$

Step-by-step explanation:

The rate of hearing the cases is 5 cases in 2 3/8 hours.

Now, $2\frac{3}{8} = 2+\frac{3}{8} = 2 + 0.375 = 2.375$

⇒The judge hears 5 cases in 2.375 hours.

So, the number of cases per hour = $= \frac{\textrm{Total Number of cases heard}}{\textrm{Number of Hours}} = \frac{5}{2.375}$

= 2.105

Also, $2.105 = 2 + 0.105 = 2 + \frac{105}{1000} = 2+\frac{21}{500} = 2\frac{21}{500}$

Hence, the number of cases heard by Jerry per hour is $2\frac{21}{500}$

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3 years ago

I need help because I'm solving these questions by the manual, and yet it still says that I am wrong after multiple attempts.

Alexxandr [17]

Answer:

1. QR = HI

2. angle W and angle T

3. WB = UV

Step-by-step explanation:

It could me fill in the part of the proof, since I notice on all of them they only mark one or two of the congruencies on the shapes. I'm not really sure of 3's answer.

Hope this helped somewhat and good luck

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2 years ago

Evaluate the function f(x)=2x-2 when x equals negative 1<br> A. -4<br> B. -3<br> C. 0<br> D. 4

Alona [7]

F(x)= -4.
Just plug in -1 for your x in 2x-2 and solve like a normal equation. Think of f(x) a your y because that's basically what it is. If it helps, the equation is basically:
y=2x-2 so you would just solve for y by plugging in -1 into x.

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3 years ago

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asambeis [7]

Solution