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marysya [2.9K]
3 years ago
9

A variable is a placeholder for an unknown value

Mathematics
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

Im going to guess that this is a true or false question so..

True :)

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What is MN?<br> Question 10 options:<br><br> 36<br><br><br> 23<br><br><br> 6<br><br><br> 4
vova2212 [387]

Answer:

I got 23 so I am not sure sorry

7 0
3 years ago
Which two values of x are the roots of the polynomial below? <br> x^2+5x+11
In-s [12.5K]

Answer:

x = -5/2 + i√19 and x = -5/2 - i√19

Step-by-step explanation:

Next time, please share the possible answer choices.

Here we can actually find the roots, using the quadratic formula or some other approach.

a = 1, b = 5 and c = 11.  Then the discriminant is b^2-4ac, or 5^2-4(1)(11).  Since the discriminant is negative, the roots are complex.  The discriminant value is 25-44, or -19.

Thus, the roots of the given poly are:

      -5 plus or minus i√19

x = -----------------------------------

                     2(1)

or x = -5/2 + i√19 and x = -5/2 - i√19

5 0
3 years ago
Read 2 more answers
Which number had a 3 with a value that is 100 times greater than the value of the 3 in 20.342?
goblinko [34]
Here the value of 3 is =3/10
Then 100 fold of 3/10=3/10*100=30
So, the number 26538,532,97436 etc. has that property.
4 0
3 years ago
What is the perimeter of ΔABC?
11111nata11111 [884]

Answer:

20

Step-by-step explanation:

Two tangent segments drawn to a circle from the same point outside the circle are congruent. The two tangents at A measure 2. The two tangents at B measure 5. The two tangents at C measure 3.

perimeter = 2 + 2 + 5 + 5 + 3 + 3

perimeter = 20

3 0
3 years ago
Can someone help me graph the line
Scilla [17]
To find slope use the slope formula. Then, use y=mx+b. Plug in the numbers. 
3 0
3 years ago
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