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3 years ago

Please help! High school math

Mathematics

1 answer:

Yanka [14]3 years ago

8 0

Answer:sorry people are steling my points by answering my questions with links. :(

Step-by-step explanation:

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What do the following two equations represent? -3x-y = 3−3x−y=3minus, 3, x, minus, y, equals, 3 -3x-y = 3−3x−y=3

allochka39001 [22]

3 x minus y equals 3

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3 years ago

1. tan a = cot(a + 10°)

Temka [501]

Answer:

$a=40+90n$

Step-by-step explanation:

Use a cofunction identity on the right hand side or left hand side...

So $\tan(a)=\cot(90-a)$ .

We have the equation:

$\tan(a)=\cot(a+10)$

Make the above replacement:

$\cot(90-a)=\cot(a+10)$

Since cotangent has period 180 degrees, we can also write this as:

$\cot(90-a+180n)=\cot(a+10)$

So solving the following will give us a set of solutions for $a$ :

$90-a+180n=a+10$

Add $a$ on both sides:

$90+180n=2a+10$

Subtract 10 on both sides:

$80+180n=2a$

Divide both sides by 2:

$40+90n=a$

Symmetric property:

$a=40+90n$

7 0

2 years ago

Jamie says that the expression 6x-2x+4 and 4(x+1) are not equivalent because one expression has a term that is subtracted and th

Sati [7]

Answer:

1. D 2. A 3. Distribute the four in 4(x+1)

Step-by-step explanation:

1. It says that Jamie is saying that they are "not equivalent".

2. You have to use the distributive property to distribute the 4 to x and to the 1.

3. After distributing, compare the two expressions and now see if they are equivalent or not.

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3 years ago

What is the domain of the linear function<br> graphed below?

Tems11 [23]

Answer:

Step-by-step explanation:

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2 years ago

Please answer correctly !!!! Will mark Brianliest !!!!!!!!!!!!!! Show your work !!!!!!!!!!!

GalinKa [24]

Answer: umm

Step-by-step explanation: uhhhh ok their no work

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2 years ago