2 years ago

Help me, please ( 10 points )

2 answers:

4 0

90 degrees is a right angle and 180 is a straight line over 90 is an obtuse and and 45 degrees or lower is an acute angle

MatroZZZ [7]2 years ago

3 0

90 degrees because A is a right angel

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A) If the line 2x + 3y -8=0 is perpendicular to the line kx-6y =9 find k.

blsea [12.9K]

Answer:

k = 9.

Step-by-step explanation:

2x + 3y -8=0

3y = -2x + 8

y = -2/3 x + 8/3

So the slope of this line is -2/3.

Therefore the slope of a line perpendicular to the above is -1 /-2/3

= 3/2.

kx - 6y = 9

6y = kx - 9

y = k/6x - 3/2

But the slope is 3/2,

So k/6 = 3/2

2k = 18

k = 9.

3 0

2 years ago

Vanessa bakes a rectangular cake that is 9 inches wide,13 inches long and 2 inches high. She removes the cake from the pan to fr

TEA [102]

This is a rectangular cake, and there are 3 measurements, meaning that you are evidently finding volume.

Let's go back, first off, the formula for volume is...

V = L x W x H (Length, Width, Height)
Your measurements are 9 in, 13 in, 2 in.

All you need to do is follow the formula and multiply them.

9 x 2 = 18
18 x 13 = 234 $in^{2}$

Your answer is C: 234 $in^{2}$

Hope this helps!

4 0

3 years ago

Which table of ordered pairs represents a proportional relationship

Citrus2011 [14]

You are right on the answer

5 0

3 years ago

What’s the slope for this equation ?

kap26 [50]

Answer:

The equation's Slope is -1

5 0