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Studentka2010 [4]

2 years ago

10

Jennifer broke open her piggy bank and found 83 coins in nickels and dimes. If she had $6.95 in all, how many coins of each has

she?

1 answer:

Fudgin [204]2 years ago

4 0

56 dimes, 27 nickels.

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Please answer this this question is a motion problem:

mr_godi [17]

T1 + t2 = 2h and 30min;
t1 * 600 = t2 * 400 => t2 = (3/2) * t1;

then, t1 + (3/2) * t1 = 2h and 30min => 2t1 + 3t1 = 5h => 5*t1 = 5h => t1 = 1h => t2 = 1h and 30 min;

The distance is 2 * 1 * 600 = 1200miles;

7 0

3 years ago

The cost of a pair of jeans was changed from $47 to $42.13. What was the percent change?

zhenek [66]

Answer:

10.36

Step-by-step explanation:

$47 - $42.13 = $4.87
($4.87 ÷ $47) × 100 = 10.36%

6 0

3 years ago

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Lisa [10]

Answer:

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Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Solve this equation for x. round your answer to the nearest 0 = ln (x+6)

MissTica

Answer: $x=-5$

Step-by-step explanation:

To solve this exercise you need to remember the following:

$e^{lnx}=e^{lny}$ → $x=y$

Therefore, keeping the above on mind, you can solve for x as following:

$e^0=e^{ln(x+6)}$

$e^0=x+6$

Remember that, by definition: $a^0=1$ , then you have:

$1=x+6$

Subtract 6 from both sides of the equation.

Then the value of x is:

$1-6=x+6-6\\x=-5$

4 0

3 years ago

3÷2.52 what the answer I’m struggling

SOVA2 [1]

3/2.52 is 1.5
In other words it is 1 1/2

3 0

3 years ago