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sertanlavr [38]
3 years ago
11

Antifreeze lowers the freezing point of the engine coolant. According to the data in the table, what percent of antifreeze would

lower the freezing point to -9°F?
A. 31%
B. 33%
C. 35%
D. 37%
Mathematics
1 answer:
Strike441 [17]3 years ago
6 0
B: 33% and dont click that link its a virus.
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Darren kept track of the number of e-mails he received from one of his customers each day for 14 days on the dot plot.
liraira [26]
<span>A) The data is skewed left and shows that on half of the days, Darren received 11 or 12 e-mails from the customer.</span>
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10 gallons of gasoline costs $130. The cost of gasoline per gallon is
antoniya [11.8K]
13 dollars per gallon

130\10 = 13
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2 years ago
Twice a number (z) added to 21 is equal to 9 times the number added to 7. What is the number?
pickupchik [31]

Answer:

The number is  2

Step-by-step explanation:

Twice a number (z) = 2*z = 2z

Twice a number (z) added to 21  = 2z + 21

9 times the number added to 7 = 9z + 7

9z + 7 = 2z + 21

Subtract 2z form both sides

9z - 2z + 7 = 21

       7z + 7 = 21

Subtract 7 from both sides

7z = 21 - 7

 7z = 14

Divide both sides by 7

z = 14/7

z = 2

5 0
2 years ago
What is the difference?<br><br> 10.22 – 3.651<br><br> The difference is _____
irinina [24]

Answer:

6.569

Step-by-step explanation:

10.22

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Find all roots.<br> 11) x^3 + 6x² + 5x = 0
Dmitrij [34]

Answer:

x=0

x=-1

x=-5

Step-by-step explanation:

To find the roots, we set the equation equal to zero and factor.

x(x²+6x+5)=0           [factor]

x(x+1)(x+5)=0            [set each factor equal to 0]

x=0

x+1=0                       [subtract both sides by 1]

x=-1

x+5=0                      [subtract both sides by 5]

x=-5

Now, we have found three roots, x=0, x=-1, x=-5.

5 0
2 years ago
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