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Virty [35]
3 years ago
5

Find the solution to the following system using substitution or elimination:

Mathematics
1 answer:
Troyanec [42]3 years ago
7 0

Answer:

A. (-2,-4)

x = -2,

y = -4

thats the only way ik how to explain but its the correct answer

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Please answer (50 points and possibly brainlyest
Art [367]

Answer:

5372626

Step-by-step explanation:

Add divide and multiply

7 0
3 years ago
What is the length of AB?
makkiz [27]
The radius of the circle is given to be r = 14.5

Let the center be O. So OB is the radius = 14.5

We can draw a triangle as shown in the image below. We have a right angled triangle. We know the hypotenuse and the base, we need to find the perpendicular side. This can be done using the Pythagorean theorem.

So, we can write:

(14.5)^{2}=10^{2}+OA^{2} \\  \\ 
OA^{2}=110.25 \\  \\ 
OA=10.5

Thus, the measure of OA = 10.5

OB = OA + AB

14.5 = 10.5 + AB
⇒
AB = 4
3 0
3 years ago
Read 2 more answers
What is the product of (-4x2-5x-1)(4x2-6x-2)
Stells [14]
(-4x2-5x-1)(4x2-6x-2)

Final result :

-2 • (13x + 1) • (2x2 - 3x - 1)
Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2".

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(-13x - 1) • ((22x2 - 6x) - 2)
Step 2 :

Pulling out like terms :

3.1 Pull out like factors :

-13x - 1 = -1 • (13x + 1)

Step 3 :

Pulling out like terms :

4.1 Pull out like factors :

(4x2 - 6x - 2) = 2 • (2x2 - 3x - 1)

Trying to factor by splitting the middle term

4.2 Factoring 2x2 - 3x - 1

The first term is, 2x2 its coefficient is 2 .
The middle term is, -3x its coefficient is -3 .
The last term, "the constant", is -1

Step-1 : Multiply the coefficient of the first term by the constant 2 • -1 = -2

Step-2 : Find two factors of -2 whose sum equals the coefficient of the middle term, which is -3 .

-2 + 1 = -1
-1 + 2 = 1

Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored

Step 4 :

Pulling out like terms :

5.1 Pull out like factors :

-26x - 2 = -2 • (13x + 1)

Final result :

-2 • (13x + 1) • (2x2 - 3x - 1)
7 0
4 years ago
Where can I find answers for my math hw?
zhannawk [14.2K]

Answer:

algebra.  c  o m

Step-by-step explanation:

:)

5 0
3 years ago
Read 2 more answers
2 + 2 What is the Answer ?
kifflom [539]

Answer:

The answer is 4!

Step-by-step explanation:

2 + 2 can be rewritten as 1+1+1+1

both equal 4

5 0
3 years ago
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