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lesantik [10]
3 years ago
13

PLZ HELP I NEED THIS TODAY!!!!Write an expression for the perimeter of the triangle shown below: A triangle is shown with side l

engths labeled 2.3x plus 14, 2x, and negative 0.2x plus 15.
A: 4.1x + 29
B: 4.1x - 29
C: 4.5x+ 29
D: 4.5x -29
Mathematics
1 answer:
qaws [65]3 years ago
8 0
All you have to do is combine like terms here...all the x's and then all the constants.  2.3x + 2x -.2x = 4.1x; 14 + 15 = 29, so the perimeter is 4.1x + 29,  A above.
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Find the mean of the data. give your answer in decimal form
aleksandr82 [10.1K]
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answer
mean = 2.75
8 0
3 years ago
some friends went to a local movie theater and bought four large buckets of popcorn and six boxes of candy.The total for the sna
WARRIOR [948]

The total of 2 buckets of popcorn and 3 boxes of candy would be $23.25

To answer this question you need to form a set of simultaneous equations and solve them. We can do this by saying that a bucket of popcorn = P, and a box of candy = C. Then we can say:

4P + 6C = 46.50

P + C = 9.75

There are then two possible ways to solve; you can either say that C = 9.75 - P using the second equation and then substitute it into the first, or you can multiply the second equation by either 4 or 6 to cancel out P or C.

I’m going to multiply the second equation by 4:

4P + 4C = 39

Now we can subtract this for, the first equation:

4P + 6C = 46.50

4P + 4C = 39

2C = 7.50

C = 3.75

Now we can substitute this value of C into one of the equations to find P:

P + C = 9.75

P + 3.75 = 9.75

P = 6

And now to answer the question, you just multiply P by 2 and C by 3 and add them together, which gives you $23.25

I hope this helps! Let me know if you have any questions :)

6 0
3 years ago
Adina read 60 out of 100 pages in a comic book.Write the fraction of the pages she read in simplest form
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Answer:

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Step-by-step explanation:

60 divided by 20 is 3 and 100 divided by 20 is 5.

So 3/5

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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The cost function is:

C(x) = -20x+1681

And the average cost function is:

\displaystyle \bar C(X)=\frac{-20x+1681}{x}

We are required to find the least number of items that can be produced so the average cost is less or equal to $21.

We set the inequality:

\displaystyle \frac{-20x+1681}{x}\le 21

Multiplying by x:

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Note we multiplied by x and did not flip the inequality sign because its value cannot be negative.

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Swapping sides and changing the sign:

41x \ge 1681

Dividing by 41:

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3 years ago
Jack buys a bag of 5 apples each equal in size he eat 1/2 of one Apple what fraction did he eat
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5 0
3 years ago
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