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LenKa [72]
3 years ago
10

Find 3 consecutive even integers such that the sum of twice the smallest number and 3 times the largest is 42

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0

integers n, n+2 , n+4

2n + 3(n+4) = 42

2n + 3n +12 = 43

5n +12 = 42

5n = 30

n = 6

integers 6, 8 ,10

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Answer Choice<br> A)72<br> B)64<br> C)50<br> D)42<br> E)13
Alex73 [517]

Answer:

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Step-by-step explanation:

3x6x4

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3 years ago
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Paul drove 225 miles to visit his parents. The graph below shows the distance traveled and the total time of the trip. Write and
ziro4ka [17]

50mph

Step-by-step explanation:

The image of the motion of Paul's derive is attached already.

From the line graph we can obtain a lot of information that will help us unravel the average speed of Paul within the given time frame.

What is average speed?

 Average speed is the rate of change of total distance covered with time taken .

Average speed = \frac{total distance }{time}

To find the total distance covered;

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Distance covered between 1 - 4 = 225 - 75 = 150miles

Time taken for the journey = 4 - 1 = 3hrs

Input the values in the equation;

   Average speed = \frac{150}{3} = 50mph

learn more:

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5 0
3 years ago
Find the percentage area of moss in a lawn if 3 out of 24 squares contained moss
Luba_88 [7]

3 out of 24 = \frac{3}{24} = \frac{1}{8} = 0.125   = 12.5%

7 0
2 years ago
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Jaxon has $65 in his savings account. He deposits $15 every week. His father also deposits $25 into the account every time Jaxon
Grace [21]
Part A:
A coefficient can be either '15' or '25'.
A variable can be either 'w' or 'm'.
A constant is 65.

Part B:
Simply substitute, or plug-in, the numbers and solve.
***Step 1:
65+15w+25m --> 65+15(20)+25(3)
You do this because you are substituting the 'w' for the number
of weeks that Jaxon saved up for, which is 20, and the 'm' for the number
of times that Jaxon mowed the lawn, which is 3.
***Step 2:
65+15(20)+25(3) --> 65+300+75
Begin to solve, using PEMDAS, or whichever acronym you learned.
Remember, if you are using PEMDAS, recall that the order is Parenthesis,
Exponents, Multiplication/Division (whichever comes first), and
Addition/Subtraction (whichever comes first). Here, I checked for parenthesis.
I did find parenthesis, however, they do not have any expressions inside of
them, meaning that these parenthesis are for multiplying, and not for stating
order. So, you skip parenthesis. Next, you check for exponents, which you
find none of, so you skip over that. Now, we get to multiplying/dividing, so
you multiply the 15 and the 20 to get 300, and the 25 and 3 to get 75.
***Step 3:
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Now, we get to addition. You simply add everything up to get your final
answer: $440.

Part C:
If Jaxon had $75, then yes, the coefficients would change.
By subtracting $65 from $75, we can see that the total amount of money
from Jaxon's deposits and his lawn-mowing money is $10. Jaxon already
deposits $15 a week, meaning that, while using the current equation, Jaxon
CANNOT have $75 in his bank account. We can change the equation
so that Jaxon is able to have $75 in his savings account. You can change
the coefficient of 15 to 10, and the other coefficient of 25 to 0.
Now Jaxon is able to have $75 in his savings account.
8 0
3 years ago
What is the value of p?
aksik [14]

Answer:

P = 18

Step-by-step explanation:

:) that the answer.

3 0
2 years ago
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