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3 years ago

Help I don't wanna get a bad grade

Mathematics

2 answers:

algol [13]3 years ago

6 0

Answer:

Step-by-step explanation:

12.7x+69.6 ≤ 603

Subtract 69.6 from both sides of the equation

12.7x ≤ 533.4

Now divide both sides by 12.7. Since this is not a negative number, do not flip the sign.

x ≤ 42

Now graph the equation. Now since this is a less than or equal to sign, there will be a closed circle. put a dot where there is a 42, then put an arrow going to the left to represent that x is less than or equal to 42.

You can see this description in option B.

solmaris [256]3 years ago

5 0

Answer:

The answer would be B)

Step-by-step explanation:

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How much interest is earned on a principle of $864.27 invested at an interest rate of 8% for 3 years? Round to the nearest cent

amid [387]

Answer:

the interest =20.74

whereas the total sum=8850(the sum is the nearest cent)

<h2>HOPE IT HELPS YOU</h2>

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3 years ago

A car averaged 48 miles per hour traveling 672 miles from Washington to Orlando. How long was the trip?

lora16 [44]

14 hours
672 miles / 48 mph = 14 hours total

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3 years ago

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In the equation -10-3b=8 what does b stand for. i need halp soon soo pleaseeeeeeee

Annette [7]

Answer: b = -6

Step-by-step explanation: First add 10 to both sides to get -3b=18, then divide by -3 to get b = -6.

Hope this helped!

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3 years ago

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Guys I need your HELP ASAPP!!!!!

Genrish500 [490]

Answer:

HOPE THAT WAS TRUE

Step-by-step explanation:

$- 3 + \sqrt{m + 59} = m \\ \sqrt{m + 59} = m + 3 \\ {(m + 59)}^{ \frac{1}{2} } = m + 3 \\ \frac{1}{2} log(m + 59) = log(m + 3) \\ 0.5 log(m) + 0.5 log(59) = log(m)+log(3) \\ 0.5 log(m) = 0.5 log(59) - log(3) \\$

$0.5 log(m) = 0.885 - 0.477 \\ 0.5 log(m) = 0.408 \\ log(m) = 0.816$

$m = {10}^{0.816} = 6.556$

5 0

3 years ago

Seven lamps labeled A through G are arranged in a row. Each lamp has its own switch. Now lamps A, C, E, and G are on and other l

Yanka [14]

Answer:

O=on

X=off

OXXOXOX after 2011 flips.

Step-by-step explanation:

There are many ways to get the answer.

A. Actually flip them 2011 times.

One way is to put 7 cards on the table, and name them A to G, with A,E,C,G facing up, and the other facing down.

Now flip the cards in order A to G 2011 times and find the answer.

Since you have four days to find the answer, you only have to flip about 500 times a day.

B. Simplify procedure A above.

Do the same as above, actually flip the cards, but only 14 times.

You will find that the cards are restored to the original position after 14 flips.

If we divide 2011 by 14, we get a quotient of 143 with a remainder of 9.

We know we don't have to make 143 sets of 14 flips. We only need to make 9!

Then again, we know that after 7 flips, the lights will be all opposite.

If O=on, and X=off then the situations are

OXOXOXO initial

XOXOXOX after 7 flips

OXXOXOX after 9 flips, which is also after 2011 flips, and that is the final answer.

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3 years ago