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JulijaS [17]
2 years ago
9

In AABC, mZA=x, mZB = 2x +2, and

Mathematics
2 answers:
padilas [110]2 years ago
7 0
I believe that X would =29 so X=29
AnnyKZ [126]2 years ago
6 0

Answer:

x = 29

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180

x + 2x + 2 + 3x + 4 = 180, that is

6x + 6 = 180 ( subtract 6 from both sides )

6x = 174 ( divide both sides by 6 )

x = 29

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Black_prince [1.1K]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Explain how to use the discriminant to determine the number and type of roots of a quadratic equation.
baherus [9]

The general form of the quadratic equation is :

ax^2+bx+c=0

The discriminant is :

D=b^2-4\cdot a\cdot c

And the general solution is :

x=\frac{-b\pm\sqrt[]{D}}{2\cdot a}

So, there are 3 situations for D

1. D = 0

So, the roots of a quadratic equation are two similar roots

2. D > 0

so, roots of a quadratic equation are two different roots

3. D < 0

so, roots of a quadratic equation are not real, two comlex roots

8 0
1 year ago
Order the following from greatest to least: <br>20, −22, |−45|, |−49|.
Leona [35]

20, -22, -45, and -49

it's easy

7 0
1 year ago
What is the solution of 3+ x-2/x-3 less than or equal to 0
bagirrra123 [75]

Answer:

The solution set consists of all the real numbers smaller than or equal to 11/4:

x\leq \frac{11}{4}

Step-by-step explanation:

We need to solve for x (that means isolate x on one side of the inequality symbol) in the following inequality:

3+\frac{x-2}{x-3} \leq 0\\\frac{x-2}{x-3} \leq -3\\x-2\leq -3\,(x-3)\\x-2\leq -3x+9\\x+3x\leq 9+2\\4x\leq 11\\x\leq \frac{11}{4}

4 0
2 years ago
Cameron earns $7 per hour. How much does he earn in 5 hours
ANEK [815]
All you have to do is multiply both
5 0
3 years ago
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