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bekas [8.4K]
2 years ago
9

Triangle ABC has vertices at A(-2.3), B(-3, -6), and C(2, -

Mathematics
2 answers:
nexus9112 [7]2 years ago
5 0

Answer: The right angle is at angle C

Step-by-step explanation:

Yes, the angle is a right angle at C (Edge option D)

mojhsa [17]2 years ago
4 0
No the triangle has no right angles
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melinda charges $4 per hour for babysitting. Mrs. Garden does not want to spend more than $25 for babysitting. What is the maxim
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Translate this sentence into an equation.
olga2289 [7]

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54=12+r

Step-by-step explanation:

'Sum' means to add.

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1 year ago
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Which of the following is a factor of 3x^3+18x^2+27x? <br> A. 9x<br> B. x^3<br> C. x+3<br> D. x-3
Tju [1.3M]
3x³ + 18x² + 27x = 3x(x² + 6x + 9) = 3x(x+3)²

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3 0
3 years ago
Solve the equation by factoring: x2 − 7x + 12 = 0
Gnoma [55]

Answer:

x = 3 . . . or . . . x = 4

Step-by-step explanation:

The factored form is ...

(x -3)(x -4) = 0

The zero product rule tells you the solutions are the values of x that make the factors be zero:

x = 3

x = 4

_____

Comment on factoring

When the leading coefficient is 1, the coefficient of the x-term is the sum of the constants in the binomial factors, and the constant term is their product. You can see this by multiplying out the generic case:

(x +a)(x +b) = x^2 +(a+b)x + ab

What this means is that when you're factoring, you're looking for factors of the constant that add up to give the coefficient of the x-term. Here, the x-term is negative and the constant is positive, so both factors will be negative.

12 = -1×-12 = -2×-6 = -3×-4

The sums of these factor pairs are -13, -8, -7. Clearly, the last pair of factors of 12 will be useful to us, since that sum is -7. So, the binomial factors of our equation are ...

(x -3)(x -4) = 0

___

If the leading coefficient is not zero, the method of factoring is similar, but slightly different. Numerous videos and web sites discuss the method(s).

7 0
2 years ago
Quick math help? Thanks!
denpristay [2]
For
|a|>15
assume
a>15
a<-15

so
x+6>15
minus 6
x>9

x+6<-15
minu 6
x<-21

B is answer
4 0
2 years ago
Read 2 more answers
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