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schepotkina [342]
3 years ago
9

What is symmetric property of equality? What is the answer to this problem?

Mathematics
1 answer:
umka21 [38]3 years ago
7 0
The symmetric property of equality states that if two variables exist and a = b, then b = a.

So, your answer would be C (If a = b, then b = a)! :D
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Suppose you visit a restaurant with a salad bar containing the following choices: 10
Vikentia [17]

Answer:

3600

Step-by-step explanation:

multiply all of the choices

10x15x6x4

8 0
3 years ago
2 fifth= Ten blank help
Paha777 [63]
2/5 = x/10

2/5 x 2 = 4/10

x= 4

2/5 = 4/10
6 0
3 years ago
8. In right triangle LMN shown below, altitude MK is drawn to LN from M. IF LM = 12 and LK =10, then
Elena-2011 [213]

The length of the KN is 4.4

Step-by-step explanation:

We know from Pythagoras theorem  

In a right angle ΔLMN  

Base² + perpendicular² = hypotenuse ²

From the properties of triangle we also know that altitudes are ⊥ on the sides they fall.

Hence ∠LKM = ∠NKM = 90 °

Given values-

LM=12

LK=10

Let KN be “s”

⇒LN= LK + KN

⇒LN= 10+x        eq 1

Coming to the Δ LKM

⇒LK²+MK²= LM²

⇒MK²= 12²-10²

⇒MK²= 44           eq 2

Now in Δ MKN

⇒MK²+ KN²= MN²

⇒44+s²= MN²       eq 3

In Δ LMN

⇒LM²+MN²= LN²

Using the values of MN² and LN² from the previous equations

⇒12² + 44+s²= (10+s) ²

⇒144+44+s²= 100+s²+20s

⇒188+s²= 100+s²+20s    cancelling the common term “s²”

⇒20s= 188-100

∴ s= 4.4

Hence the value of KN is 4.4  

8 0
3 years ago
Can someone simplify this, I just want to make sure that I’m doing what I’m doing right.
Harman [31]

Answer:

4

Step-by-step explanation:

you cant simplify a hole number

7 0
3 years ago
To find the area of a trapezoid with those numbers
Yuliya22 [10]

Area=14.6

To find a trapezoid

Top +Bottom /2 multiplied by height

So 2.5+ 4.8= 7.3

7.3/2= 3.65

3.65x4=14.6

3 0
3 years ago
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