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Mrrafil [7]
3 years ago
8

Describe a cube use the words base edges and vertices in your description

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0

Answer:

Step-by-step explanation:

i dont understand

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Help<br><br> Determine which equation is parallel to line jk and which is perpendicular to line jk.
alukav5142 [94]

Answer:

5x + 3y = 13 parallel.

6x - 10y = 7 perpendicular.

Step-by-step explanation:

Two lines with slopes m_1 and m_2 are parallel when m_1=m_2 and are perpendicular when m_1*m_2=-1

Now determine the slope of all the lines

The line jk passes through the points

(-5,5) and (1,-5) so its slope is

\frac{-5-5}{1-(-5)}=\frac{-10}{6}=-\frac{5}{3}

To determine the slope of the lines in the blue rectangles, isolate y from each one and the coefficient of x is the slope

5x-3y = 8 ------> y = (5/3)x + 8/3 ------> slope 5/3

Neither parallel nor perpendicular.

6x+10y = 11 ------> y = (-6/10)x + 11/10 = (-3/5)x + 11/10 ------> slope -3/5

Neither parallel nor perpendicular.

5x + 3y = 13 ------> y = (-5/3)x + 13/3 ------> slope -5/3

This line is parallel

6x - 10y = 7 ------> y = (6/10)x - 7/10 = (3/5)x -7/10 ------> slope 3/5

Since (-5/3)(3/5) = -1 this line is perpendicular.

8 0
3 years ago
In which step does a mistake first occur? please help!
Leya [2.2K]

Answer:

step 1

Step-by-step explanation:

8÷2+(3x3-2)

8÷2+(9-2)

8÷2+(7)

4+7

=11

3 0
2 years ago
Read 2 more answers
Whats the answer? A, B, C, or D??
vesna_86 [32]

Answer:

C is the correct answer

6 0
3 years ago
Read 2 more answers
If f (x) = 3x + 1 and g(x) = 2x + 1, what is the value of f (g(2))?
just olya [345]

Step-by-step explanation:

= f( g(2) )

= 3(2x + 1) + 1

= 6x + 3 + 1

= 6x + 4

= 6(2) + 4

= 12 + 4

= 16

f(g(2)) = 16

3 0
3 years ago
Use the graphing method to solve the equation 5(1/2)^x=30 Round to the nearest thousandth
Daniel [21]

Answer:

x = -2.585

Step-by-step explanation:

You will have to plug this into your graphing calculator.

In y=, type 5(1/2)^x in the Y1 and type 30 in Y2.

When you hit 2nd trace and hit find intersections, you will get (-2.585, 30).

The answer is x = -2.585

5 0
3 years ago
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