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3 years ago

Donna earns $73.50 for 6 hours of gardening. Mac

Mathematics

1 answer:

antoniya [11.8K]3 years ago

5 0

Donna earns 12.25 per hour
2nd person earns 12.20 per hour

donna earns 0.05 more

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Which expressions are equivalent to 2 ln a + 2 ln b - ln a?

ycow [4]

Answer:

Choices 2, 3, and 5 are correct.

Step-by-step explanation:

Complete question is:

Check all that apply.

1. ln ab² - ln a

2. ln a + 2 ln b

3. ln a² + ln b² - ln a

4. 2 ln ab

5. ln ab²

ANSWER:

The given expression is : 2 ln a + 2 ln b - ln a

It simplifies to: ln a + ln b² = ln ab²

Checking the given options.

1. ln ab² - ln a = ln (ab²)/a = ln b²

FALSE

2. ln a + 2 ln b = ln ab²

TRUE

3. ln a² + ln b² - ln a = ln (a²b²)/a = ln ab²

TRUE

4. 2 ln ab = ln a²b²

FALSE

5. ln ab²

TRUE

4 0

3 years ago

Please help me .. I really need help with this ASAP

morpeh [17]

Given:

Number of flower pots = 6

To find:

The number of ways of the gardener to arrange the flower pots.

Solution:

Number of ways to arrange n items is n!.

So, the number of ways to arrange 6 pots is:

$6!=6\times 5\times 4\times 3\times 2\times 1$

$6!=720$

Therefore, there are total 720 ways of the gardener to arrange the flowerpots.

4 0

2 years ago

Simplify the following √5 x 2√2

seraphim [82]

Answer:

try mopo quanda or guthmath

5 0

2 years ago

Find x (4+25) (6x+20) (3x+25)

Paraphin [41]

Answer: 15

Step-by-step explanation:

Opposite angles of a cyclic quadrilateral are supplementary, so:

$3x+25+6x+20=180\\\\9x+45=180\\\\9x=135\\\\x=\boxed{15}$

6 0

2 years ago

Simplify the expression. –42 ÷ (–6)

Vitek1552 [10]

The answer is 7
hope this helps!

4 0

3 years ago

Read 2 more answers