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Virty [35]
2 years ago
15

I need help with this question

Mathematics
2 answers:
OverLord2011 [107]2 years ago
7 0

if the lower pointvis 56 the dot line will be 55.5

Fed [463]2 years ago
3 0

Answer:

  -55.5

Step-by-step explanation:

There are 4 spaces between -56 and -54 (2 units), so each space represents 2/4 = 1/2 = 0.5 unit. The markings increase as you go upward, so the value at the dot, 1 space above -56, is ...

  -56 +0.5 = -55.5

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If A = { a, b, c, d} and B = {b,c,d,e} Then find AnB {b,c,d}<br>​
vladimir1956 [14]

Answer:

AnB = ( b, c, d ) is the answer.

Hope this will help u

5 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
3 years ago
Read 2 more answers
What are the solutions of the equation x^2+4x+4=25
vodomira [7]
X² + 4x + 4 = 25
(x+2)² = 25
x + 2 = <span>±5
x + 2 = -5     or     x + 2 = 5
x = -5 -2               x = 5 - 2
x = -7                   x = 3

</span><span>The solutions are x=-7 and x=3</span>
7 0
3 years ago
Solve the following system by ELIMINATION.<br><br> 6x + 10y= 16<br> 2x + 20y= -28
Otrada [13]
X = 6 , y = -2
hope this helps
7 0
2 years ago
Read 2 more answers
What number goes in the box below to make the statement true?
Schach [20]

Answer:

5000

Step-by-step explanation:

4 0
3 years ago
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