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Blizzard [7]
3 years ago
6

Eva has a coupon for an oil change with synthetic oil for $59.95. She can buy 5 quarts of synthetic oil, which is what her car n

eeds, for $26.54 and an oil filter for $6.47. How much can she save by doing the oil change herself?
$79.22

$139.17

$59.95

$32.92

$26.94
Mathematics
1 answer:
jeka943 years ago
3 0

Answer:

$26.94

.................

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what is the least number that has four odd factors that are all the same. each factor is greater than one and can have only one
frez [133]
If one cant be given, then most likely 12.  Using 3 as the integer, as they would be the second lowest number.. and multiplying it by 4, 12.
8 0
3 years ago
Which expression is equivalent to -8m – 8 – 2m – 10?
nevsk [136]
-10m-18 is the awnser for this one
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In a normal deck of 52 cards, what is the probability of drawing 3 aces in a row?
Kipish [7]

Answer:

C

Step-by-step explanation:

7 0
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Is this a function <br><br> Yes or no
Bingel [31]

Answer:

yes.

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Find all values of c such that 3^2c+1=28*3^c-9. If you find more than one value of c, then list your values in increasing order​
avanturin [10]

3^{2c} + 1 = 28\times3^c - 9 \implies 3^{2c} - 28\times3^c = -10

Complete the square on the left side:

3^{2c} - 28\times3^c = \left(3^{2c}-28\times3^c+14^2\right)-14^2 = \left(3^c-14\right)^2 - 196

Then the equation becomes

\left(3^c-14\right)^2 - 196 = -10 \\\\ \left(3^c-14\right)^2 = 186 \\\\ 3^c - 14 = \pm\sqrt{186} \\\\ 3^c = 14\pm\sqrt{186}

Both 14 + √186 and 14 - √186 are positive numbers, so we can take the logarithm (base 3) of both sides without issue:

\log_3\left(3^c) = c = \log_3\left(14\pm\sqrt{186}\right)

Then in increasing order, the solutions are

<em>c</em> = log₃(14 - √186), <em>c</em> = log₃(14 + √186)

3 0
3 years ago
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