3 years ago

Log3(7x) Use the Laws of Logarithms to expand the expression.

1 answer:

7 0

Log3(7) + log3(x)
Terms that are multiplied inside one log become added when you separate them where each term gets its own log.

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There are 442 boy students in class

poizon [28]

Answer:

520

Step-by-step explanation:

This problem is

boys + girls = total

Boys = 442

Girls = 15% of the total

Therefore, substituting in, gives us:

442 + .15t = t, where t is total

Then 442 = .85t and

t = 520

5 0

3 years ago

A store bought a leather couch at a cost of $500 and marked it up 140%. Bruce bought it and

amid [387]

Answer:

$1296

Step-by-step explanation:

the markup is 700 so add that to the 500, then sales tax adds 96

4 0

2 years ago

I'll Give Brainliest if right. Find the slope of the line using the origin and point (2,8)

mars1129 [50]

The slope is 4 because you go up 4 and over one which created the slope 4/1 which is just 4

6 0

3 years ago

How do you multiply these polynomials? 3xy^2(2y+4z)

nikitadnepr [17]

Answer:

6xy^3 +12xy^2 z

Step-by-step explanation:

3xy^2 (2y+4z)

Multiply

3xy^2 * 2y + 3xy^2 *4z

common factors

3xy^3 +3xy^2 *4z

Multiply

6xy^3 +12xy^2 z

7 0

3 years ago

Given: 6g+4a=7a prove: g/a=1/2

Likurg_2 [28]

Answer:

Step-by-step explanation:

6g + 4a = 7a

⇔ 6g = 7a - 4a

⇔ 6g = 3a

Divide both side by 6a

⇒ $\frac{6g}{6a} = \frac{3a}{6a}$ ⇔ $\frac{g}{a} = \frac{1}{2}$

I hope this will help you.

3 0

3 years ago