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2 years ago

7

Make a table graph the function y=1/2x + 3 domain 0,2,4,6,8

1 answer:

Lesechka [4]2 years ago

8 0

Answer:

No entiendo

Step-by-step explanation:

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Convert 4/7 to decimals using long divison

Elena-2011 [213]

I think it’s 1.75 sorry if this is wrong

3 0

2 years ago

Solve for x : log(3x) + log(x + 4) = log(15).<br><br>Please explain it to me.

zlopas [31]

Answer:

x = 1

Explanation:

$\sf \rightarrow log(3x) + log(x + 4) = log(15)$

Rule: log(a) + log(b) = log(ab)

$\sf \rightarrow log(3x(x + 4)) = log(15)$

cancel out log on both sides

$\sf \rightarrow 3x(x + 4) = 15$

relocate constant variable

$\sf \rightarrow 3x^2 + 12x -15 = 0$

take 3 as a common factor

$\sf \rightarrow 3(x^2 + 4x -5) = 0$

divide both sides by 3

$\sf \rightarrow x^2 + 4x -5 = 0$

middle term split

$\sf \rightarrow x^2 + 5x -x-5 = 0$

factor common terms

$\sf \rightarrow x(x + 5) -1(x+5)= 0$

collect into groups

$\sf \rightarrow (x-1)(x+5)= 0$

set to zero

$\sf \rightarrow x-1 = 0 , \ x+5= 0$

relocate variables

$\sf \rightarrow x = 1, \ x = -5$

There must be a positive solution for log, so the solution is only x = 1

3 0

1 year ago

Read 2 more answers

The base and height of a triangle is 36 and 12 respectively. It's area is ....... *

Leya [2.2K]

Answer:

the answer is of the question is 216

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2 years ago

How do I solve for x in the first two?

iragen [17]

Answer: X= 7.55cm

Step-by-step explanation:

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2 years ago

One person can mow a field in 52 minutes and a second can mow the same field in 40 minutes. how long would it take the two of th

swat32

It would be:1/x = 1/40+1/52 = 13+10/520 = 23/520

x = 520/23 = 22.60 minutes

6 0

2 years ago