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elena-14-01-66 [18.8K]
3 years ago
15

Uh, one second I got to put the picture ;-;

Mathematics
1 answer:
balandron [24]3 years ago
3 0

Answer:

92°

Step-by-step explanation:

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Find the value of y so that WX is perpendicular to YZ
Alexxandr [17]

step 1

Find out the slope WX

W(2,-3) and X(-4,9)

m=(9+3)/(-4-2)

m=12/-6

m=-2

step 2

Find out the slope YZ

Y(5,y) and Z(-1,1)

m=(1-y)/(-1-5)

m=(1-y)/-6

m=(y-1)/6

step 3

Remember that

If two lines are perpendicular

then

their slopes are negative reciprocal

that means

(y-1)/6=1/2 -----> because the negative reciprocal of -2 is 1/2

solve for y

2y-2=6

2y=6+2

2y=8

<h2>y=4</h2>
8 0
1 year ago
Which unit rate corresponds to the proportional relationship shown in the graph?
Evgen [1.6K]

Answer:

1.5 cm/s​

Step-by-step explanation:

The unit rate is the same as the slope.

To find the slope, we use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Using our points, we have

m = (9-0)/(6-0) = 9/6 = 3/2 = 1.5 cm/s

6 0
3 years ago
Read 2 more answers
How do u solve 2x+15=1
pickupchik [31]
You would subtract 15 on both sides and then you would have 2x=-14 then you divide both sides by 2 and x would equal -7
8 0
3 years ago
Read 2 more answers
2.
andrew11 [14]

Answer:

the digit two is in tens... so a) is the answer

4 0
2 years ago
Please help me!!!!! :)
dsp73
To find the volume,we would first need to find the height of square pyramid, by it's base edge and slant height using Pythagoras theorem:

{height }^{2}  = {13}^{2}  -  {10}^{2}  \\ {height }^{2}  = 69 \\ height =   \sqrt{69}

We can then use the pyramid formula to find the volume:
base \:  \times  \: height \:  \times  \frac{1}{3}

In this case,the volume will be:

10×_/69×1/3
=27.68874...
≈27.7 units^3

Hope it helps!
5 0
3 years ago
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