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Andreas93 [3]
3 years ago
12

Help pls vv quick ! ​

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0
A: 151
Explanation: It is two parallel lines cut by a transversal,, in short the angle will have the same value as angle 2
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Find the domain of the function
Svetradugi [14.3K]

Answer:

<em>The domain of f is (-∞,4)</em>

Step-by-step explanation:

<u>Domain of a Function</u>

The domain of a function f is the set of all the values that the input variable can take so the function exists.

We are given the function

f(x)=\frac{1}{\sqrt{4-x} }

It's a rational function which denominator cannot be 0. In the denominator, there is a square root whose radicand cannot be negative, that is, 4-x must be positive or zero, but the previous restriction takes out 0 from the domain, thus:

4 - x > 0

Subtracting 4:

- x > -4

Multiplying by -1 and swapping the inequality sign:

x < 4

Thus the domain of f is (-∞,4)

7 0
2 years ago
I have no idea how to do this, it is due in two days. Hopefully someone sees this before then.
elena-14-01-66 [18.8K]

Hello,

m\ \widehat{ABC}=x\\m\ \widehat{BAC}=2*x\\\\So:\\ x+2x=90^o\\x=30^o\\

cos(30^o)=\dfrac{\sqrt{3} }{2} \\

In the triangle ABC,

cos(30^o)=\frac{BC}{BA} \\\\BA=\dfrac{cos(30^o)}{BC} \\\\BA=\frac{\dfrac{\sqrt{3} }{2} }{24} =16*\sqrt{3} \\\\

sin(30^o)=\dfrac{1 }{2} =\dfrac{AC}{AB} \\\\AC=\dfrac{1}{2} *16\sqrt{3} =8\sqrt{3}

In the triangle ACB,

cos(30^o)=\dfrac{AC}{AL} \\\\AL=\dfrac{8\sqrt{3} *2}{\sqrt{3} } =16\\

6 0
3 years ago
What is the slope of the line passing through (-3, 5) and (5,-3)?
Delvig [45]
-1 is the answer to your question
8 0
3 years ago
Read 2 more answers
Use the order of operations to evaluate -(3 2) 2 + 4 * 3 - 2
rjkz [21]
Not completely sure, but if it has multiple choice I say -2. Wait for more answers if you want a better response.
7 0
3 years ago
Read 2 more answers
In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IR?
Lesechka [4]
Ohms law states V=IR

I is current and R is resistance

We are given V=120 and R=30

Therefore 120=I*30 or I=40A
4 0
3 years ago
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