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4 years ago

How do you graph y=2x+4 on a graph

Mathematics

1 answer:

NNADVOKAT [17]4 years ago

7 0

Answer:

y =7 i think. idk im bad at math sorry. lol

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49+ ox² = ox² +9+ 6ox+ 3.5² solve ox

navik [9.2K]

Answer:

4.625

Step-by-step explanation:

$ox ^{2} - ox^{2} - 6ox = 9 + (3.5)^{2} - 49 \\ - 6ox = 9 + 12.25- 49 \\ - 6ox = - 27.75 \\ ox = - 27.75 \div - 6 \\ ox = 4.625$

5 0

3 years ago

What is the solution to the equation?

patriot [66]

Answer:

-55. just multiple -5 by 11

7 0

3 years ago

Read 2 more answers

14 is no less than 8 times a number x plus 6.

dybincka [34]

Answer:

14 (insert less than or equal symbol)8x+6

Hope this helps! i hope the symbol is right!

6 0

4 years ago

Use an Addition or Subtraction Formula to find the exact value of the expression, as demonstrated in Example 1. cos 41π 12.

PtichkaEL [24]

Answer: $\frac{\sqrt{6}-\sqrt{2}}{2}$

Step-by-step explanation:

We apply the formula $\cos(x+y)=\cos(x)\cos(y)-\sin(x)\sin(y)$ .

Note that $\cos(\frac{41}{12}\pi)=\cos((\frac{36}{12}+\frac{7}{12})\pi)=\cos(3\pi + \frac{7}{12})\pi)$ . Take $x=3\pi$ and $y=\frac{7}{12}\pi$ in the formula above to get

$\cos(\frac{41}{12}\pi)=\cos(3\pi)\cos(\frac{7}{12}\pi)-\sin(3\pi)\sin(\frac{7}{12}\pi)=(-1)\cdot \cos(\frac{7}{12}\pi)-0\cdot\sin(\frac{7}{12}\pi)=-\cos(\frac{7}{12}\pi)$

Then the value of this expression is $-\cos(\frac{7}{12}\pi)$

We can use the cosine addition formula again to simplify further. Decompose the fraction in the argument as:

$\cos(\frac{7}{12}\pi)=\cos((\frac{3}{12}+\frac{4}{12})\pi)=\cos((\frac{1}{4}\pi + \frac{1}{3})\pi)$

Applying the formula with $x=\frac{1}{4}\pi$ and $y=\frac{1}{3}\pi$ we obtain

$\cos(\frac{7}{12}\pi)=\cos(\frac{1}{4}\pi)\cos(\frac{1}{3}\pi)-\sin(\frac{1}{4}\pi)\sin(\frac{1}{3}\pi)=\frac{\sqrt{2}}{2}\cdot\frac{1}{2} -\frac{\sqrt{2}}{2}\cdot\frac{\sqrt{3}}{2}=\frac{\sqrt{2}-\sqrt{6}}{2}$

We conclude that this expression has the value $-\frac{\sqrt{2}-\sqrt{6}}{2}=\frac{\sqrt{6}-\sqrt{2}}{2}$

8 0

3 years ago

Can someone help me with this

yKpoI14uk [10]

Answer:

i think you should get brainly tutor even if you cant afford it you can use the free trail to see if you like it they could help you with that give the answer and an explanation

Step-by-step explanation:

5 0

3 years ago

How do you graph y=2x+4 on a graph​

How do you graph y=2x+4 on a graph