3 more than six times a number is 15

Answers

Answer 1

Answer: The question is 3 + 6(x) = 15
so you need to find x
so you should add -3 on both sides of the equation and you will have:
6(x) = 15 -3
6(x) = 12
now you can divide both sides by 6 and you will have:
x = 12/6
x = 2 :)))
I hope this is helpful
have a nice day

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Use compatible numbers to estimate the quotient 315 divided by 8 answer quickly thank you!

Taylor writes an expression with 5 terms. All 5 terms are like terms. How many terms are in the equivalent expression with the least number of terms?

Answers

Taking into account that they are all like terms they can be combined, therefore there would only be one term. For example:
5x-3x+6x-x+2x=
Combine the like terms
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It can be simplified further
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Slope 2; passing through (4,12)

Answers

X Y
0 4
1 6
2 8
3 10
4 12
5 14

The equation is y=2x+4

8(t+2)-3(t-4=6(t-7)+8

Answers

8(t+2)- 3(t-4) = 6(t-7)+8. Looks like a lot of distributing.
8t+16 - 3t+12 = 6t-42 + 8. Now we can combine like terms.
5t + 28 = 6t - 34. Just solve normally.
28 = t - 34. Add 34 to both sides.
t = 62.

Don't forget to rate this answer the Brainliest!

Enter the value of p so the expression 5/6 - 1/3n is equivalent to p(5 - 2n).

Answers

I have gotten 1/6 for the value, I think the person below me will answer with more work if you need to know how I got this answer.

PLEASE HELP ASAP!! 15 points!What is the equation of this line in slope-intercept form (-1,2) (1,-4)

I do not know how to post the picture but the answers are
A. Y= -1/3x - 1
B. Y=-3x -1
C. Y=3x + 1
D. Y=3x - 1

Answers

slope = (y2-y1)/((x2-x1)

= (-4-2)/(1-(-1))

= (-6/2)

m = -3

point slope form

y-y1 = m(x-x1)

y-2 = -3(x-(-1))

y-2 =-3(x+1)

y-2 = -3x-3

y= -3x-3+2

y=-3x-1

Choice B

Prove the identity cos(x-y)-cos(x+y)=2sinx siny

Answers

Answer:

see explanation

Step-by-step explanation:

Using the Addition/ Subtraction formulae for cosine

Consider the left side

cos(x - y) - cos(x + y)

= cosxcosy + sinxsiny - (cosxcosy - sinxsiny) ← distribute

= cosxcosy + sinxsiny - cosxcosy + sinxsiny ← collect like terms

= 2sinxsiny = right side ⇒ proven

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