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sertanlavr [38]
3 years ago
13

PLZ HELP ASAP (tysm and have a great day ) :D

Mathematics
1 answer:
Furkat [3]3 years ago
7 0

Answer:

u = 1

Step-by-step explanation:

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Please help meeeee c:
masya89 [10]

Answer:

x = - 2

Step-by-step explanation:

Don't let the points disturb you. They are actually meant to confuse you.

3 0
3 years ago
S KM ∥ JN? Why or why not?
bixtya [17]

Given: We have the given figure through which we can see

LK=16,

KJ=10,

LM=24,

MN=15

To Find: Whether KM || JN and the reasoning behind it.

Solution: Yes, KM || JN because \frac{16}{10}= \frac{24}{15}

Explanation:

For this solution, we use the concept of Similar Triangles.

Now, KM || JN if ΔLKM ~ ΔLJN (i.e., if ΔLKM is similar to ΔLJN).

Now, ∠MLK=∠NLJ

To prove similarity of the two triangles, we have to show that the sides are proportional. In other words, LK:KJ = LM:LN

LK:KJ=LM:LN\\\\ \frac{LK}{KJ} =\frac{LM}{LN}\\\\\frac{16}{26}= \frac{24}{39}\\\\

which is true as both sides simplify to \frac{8}{13}

Thus, we see that ΔLKM ~ ΔLJN (i.e., if ΔLKM is similar to ΔLJN).

Therefore, KM || JN.

To come to the reasoning, notice that

\frac{LK}{LJ} =\frac{LM}{LN}\\\\\frac{LK}{LK+KJ} =\frac{LM}{LM+MN}\\\\\frac{LK+KJ}{LK} =\frac{LM+MN}{LM}\\\\1+\frac{KJ}{LK}=1+ \frac{MN}{LM}\\\\\frac{LK}{KJ} =\frac{LM}{MN}

In other words, \frac{16}{10}= \frac{24}{15}


4 0
4 years ago
Read 2 more answers
What is the answer to
Annette [7]

Answer:

y = 2/3x - 13

Step-by-step explanation:

We have a slope of 2/3 and a point (9, -7)

The point slope form of a line is

y-y1 = m(x-x1)

y--7 = 2/3 (x-9)

Distribute

y+7 = 2/3x - 6

Subtract 7 from each side

y+7-7 = 2/3x -6-7

y = 2/3x - 13

This is in slope intercept form.

5 0
3 years ago
Read 2 more answers
Write the equation of the line<br> perpendicular to y = *x+7 with a<br> y-intercept of (0-1)
I am Lyosha [343]

Answer:  y = -x - 1

<u>Step-by-step explanation:</u>

Use the Point-Slope formula: y - y_1=m_{\perp}(x-x_1)   where

  • (x₁ , y₁) is the given point (0, -1)
  • m_{\perp}\ \text{is the opposite reciprocal slope of the given line}\implies m_{\perp}=-1

Insert those values into the formula and solve for y:

y - (-1) = -1(x - 0)

y + 1 = -x

y      = -x - 1

7 0
3 years ago
Which of the following systems of nonlinear inequalities is graphed below?
DanielleElmas [232]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
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