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qaws [65]
2 years ago
10

Please Help with this question..

Mathematics
1 answer:
OlgaM077 [116]2 years ago
8 0

Answer:

Not tangent

Step-by-step explanation:

tangents are perpendicular to the radius at the point of tangency.

With radius 5 and tangent length AB 12, the hypotenuse would be 13

Subtracting the radius would leave a line segment length outside the circle of 8, it is reported as 9, so AB is NOT tangent.

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Given the rational expressions 7/(x ^ 2 - 12) and (2x - 1)/(x + 2) which of the following is true?
goldenfox [79]

Answer:

option C

Step-by-step explanation:

\frac{\frac{2x-1}{x+2}}{\frac{7}{x^{2}-12}}=\frac{2x-1}{x+2}*\frac{x^{2}-12}{7}\\\\\\=\frac{(2x-1)(x^{2}-12)}{7(x+2)}

3 0
3 years ago
What is 3/4 of 50 for a math assignment.
Burka [1]

Answer:

37 1/2

Step-by-step explanation:

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7 0
3 years ago
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kolezko [41]
I did 15/5 which equaled 3.
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3 0
3 years ago
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The square of a number plus three times the number is 70. find the numbers.
Harrizon [31]

Answer:

Step-by-step explanation:

The equation for that is

x^2+3x=70

If we subtract over the 70, we have a quadratic that we can factor to solve for the values of x that will make that equation true.

x^2+3x-70=0

Now we need the factors of 70 that will either add or subtract to give us the linear term of 3. The factors of 70 that will work are 10 and 7. 10 times 7 is 70, and 10 - 7 = 3:

x^2+10x-7x-70=0 and now we will factor by grouping:

(x^2+10x)-(7x-70)=0 and factor out what's common:

x(x+10)-7(x+10)=0

The factor (x + 10) is common, so we will now factor that out:

(x+10)(x-7)=0

By the Zero Product Property, either x + 10 = 0 or x - 7 = 0, so x = -10 or 7

Those are the 2 numbers that will work.

(-10)^2+3(-10)=70 simplifies to

100 - 30 which does in fact equal 70. OR

(7)^2+3(7)=70 which simplifies to

49 + 21 which also equals 70.

So you're done!

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3 years ago
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The inequality would be 50w + 100 >_ 18,000 ( the _ goes under the > but I cannot do that on my phone )
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