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Rom4ik [11]
2 years ago
12

Ejt-vokv-opj join to teach​

Mathematics
2 answers:
blagie [28]2 years ago
7 0

Answer:

i thought this was a different language

Step-by-step explanation:

smh

Naily [24]2 years ago
3 0

Answer:

ive seen this before its not to teach what you think stay away from it

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What are the coordinates of the point on the directedline segment from K(-5,-4) to L(5,1) that partitionsthe segment into a rati
Diano4ka-milaya [45]
You can solve this either just plain algebra or with the use of trigonometry.
In this case, we'll just use algebra.
 
So, if we let M be the the point that partitions the segment into a ratio of 3:2, we have this relation:
KM/ML = 3/2
KM = 1.5 ML

We also have this:
KL = KM + ML
Substituting KM,
KL = (3/2) ML + ML
KL = 2.5 ML

Using the distance formula and the given coordinates of the K and L, we get the length of KL
KL = sqrt ( (5-(-5)^2 + (1-(-4))^2 ) = 5 sqrt(5)

Since,
KL = 2.5 ML

Substituting KL,
ML = (1/2.5) KL = (1/2.5) 5 sqrt(5) = 2 sqrt(5)

Using again the distance formula from M to L and letting (x,y) as the coordinates of the point M
ML = 2 sqrt(5) = sqrt ( (5-x)^2 + (1-y)^2 )   [let this be equation 1]

In order to solve this, we need to find an expression of y in terms of x. We can use the equation of the line KL.
The slope m is:
m = (1-(-4))/(5-(-5) = 0.5

Using the general form of the linear equation:
y = mx +b
We substitue m and the coordinate of K or L. We'll just use K.
-5 = (0.5)(-4) + b
b = -1.5

So equation of the line is
y = 0.5x - 1.5      [let this be equation 2]

Substitute equation 2 to equation 1 and solving for x, we get 2 values of x,
x=1, x=9

Since 9 does not make sense (it does not lie on the line), we choose x=1.
Using the equation of the line, we get y which is -1.

So, we get the coordinates of point M which is (1,-1)
3 0
2 years ago
If the measure of < A is 99 ° and the measure of < B is 81 ° , then < A and < B are _____.
Doss [256]

Answer:

D.supplementary angles

Step-by-step explanation:

81+99=180

6 0
3 years ago
Read 2 more answers
Based on the equation 6x + 2y = 30, what is the missing value in the table?
umka2103 [35]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
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Vanessa has scored 45 32 and 37 are three math quizzes she will take one more quiz and she wants a quiz average of at least 40 w
dedylja [7]
She must at least score a 38
To get the average you need to add 45 + 32 + 37 together than divide it by the amount of numbers added, in this case 3. 

45 + 32 + 37 = 114
114÷3 = 38
3 0
3 years ago
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State the angle from 1:00 to 2:30
charle [14.2K]

Answer:

Im pretty sure its 45°

Step-by-step explanation:

7 0
3 years ago
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