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Morgarella [4.7K]
2 years ago
5

Find the surface area of the triangular prism below?

Mathematics
1 answer:
aleksley [76]2 years ago
4 0

Answer:

10 divided by 3 = 3.33 for each side of the triangle.

2 x 6 = 12(area of two triangles)

10(height) x 3.33(area of one side of the triangle) x 3(three rectangles) = 99.9

Add given areas:

99.9 + 12 = 111.9 rounded = 112 cm^2

Please wait for more responses to be sure, thank you.

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Katie and becca each bought a new book for $50 . Katie sold her book to the bookstore for 25% less than the original price. . Be
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4 0
3 years ago
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in a survey, 27% of people chose salads over a meat dish. In all, 81 people chose salads. How many people were in the survey?
adelina 88 [10]
Number of people that chose salad = 81
Percentage of people that chose salad over meat dish = 27%
Let us assume the number of people on the survey = x
Then
27% * x = 81
(27/100) * x = 81
27x = 81 * 100
27x = 8100
x = 8100/27
   = 300
So a total of 300 people participated in the survey.I hope the procedure is clear enough for you to understand. Based on this method you can always solve similar types of problems without requiring any kind of help from outside.
6 0
3 years ago
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What type of number results when a positive number is divided by a negative number and vice versa.
True [87]
The answer is C.

When a positive and negative number are multipled or divided, the result is negative.
3 0
3 years ago
Select the function that represents the simple interest formula.
Anit [1.1K]

Answer:

D. A(n) = P + (n-1)i*P

Step-by-step explanation:

The formula to calculate the simple interest is:

SI = \frac{Pnr}{100}

Replace i by \frac{r}{100}, then

SI = Pni

where n is the number of years.

So, for n-1 years, the simple interest is:

SI = P(n-1)*i

The Total amount is:

A(n) = P + (n-1)i*P

8 0
3 years ago
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What is the value of z in the equation 2z + 7 = -5?<br> a. -6<br> b. -1<br> c. 1<br> d. 6
Mekhanik [1.2K]
2z +7 = -5

2z = -5 -7

2z = -12

z= -12 /2

z= -6
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3 years ago
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