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3 years ago

Solve each system of equations Y= x +3 Y=2x+5

Mathematics

1 answer:

Stells [14]3 years ago

5 0

Answer:

x=-2, y=1

Step-by-step explanation:

To solve a system of equations, you set x+3 and 2x+5 equal to each other and solve. This simplifies to x=-2. Then you plug itin to one of the equations to get y. Hope this helps and have a magnificent day!!!!! Stay safe!!!

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What is the domain of the function y=tan (x/8) Please Help 15 Points

7nadin3 [17]

1. You have the function $y=tan(\frac{x}{8} )$

2. You know that $y=\frac{sinx}{cosx}$ with $cosx\neq 0$ , because the division by zero is not defined. So , $cosx=0$ for $\frac{(2n+1)\pi}{2}$ where $n$ is a integer number.

3. Then, to find the domain of the function given in the problem, you must make $\frac{x}{8} \neq \frac{k\pi}{2} \\ x\neq 4k\pi$

Where $k$ is odd number.

4. Therefore:

$x\neq 4\pi (2n+1)$

5. Finally, the domain is: $4\pi (2n+1)$

The answer is: $4\pi (2n+1)$

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3 years ago

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Simplified form of expression 125 2/3

masha68 [24]

Answer:

377/3

Step-by-step explanation:

In general if we have a fraction ( mixed) as ,

$a\dfrac{c}{d}$

Then the improper fraction will be ,

Improper fraction :-

$\dfrac{ d\times a + c}{d}$

Using this concept we have ,

→ 125 ⅔

→ 125 × 3 + 2 / 3

→ 375 + 2/3

→ 377/3

<h3>Hence the simplified form of the expression is 377/3 .</h3>

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3 years ago

You are constructing a tangent line from a point outside a given circle to the circle. You have drawn the circle, a point outsid

sveta [45]

Yikes I might go with C.

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Which of the following equations would not be a line when graphed? Explain how you can tell by just looking at the equations.

zlopas [31]

Y=2/x. this equation has degree -1 whereas linear functions have degree 1

y=6x²-7 is nonlinear as it is degree 2

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What is 2/3 ÷ 4/5 = ?

11Alexandr11 [23.1K]

Answer:

5/6

Step-by-step explanation:

2/3 ÷ 4/5 = ⇒ changing division to multiplication by reciprocal of the second fraction
2/3 × 5/4 = ⇒ simplify and multiply numerators and denominators
5/6 ⇒ here is the answer

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3 years ago