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Ira Lisetskai [31]
3 years ago
5

A cake was divided into thirds.Lisa ate 1/3 of one of the thirds what part of the cake did she eat?

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
6 0
She ate the whole cake because 1/3 of 3 cakes means u have to multiply so 1/3 times 3/1 equals one whole
Nana76 [90]3 years ago
3 0
1/9 of the cake 3x3 is 9 and she only are 1/9
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Find the surface area. Round to the nearest tenth.
Anton [14]

Answer:

66.4 in^2

Step-by-step explanation:

Surface area is defined as the area around the surface of a 3-dimensional solid. The shape we are given here is a triangular prism with a square base. This means it contains one square and 4 triangles on the surface. To find the surface area, we just need to find the areas of all 5 surface shapes and add them up. We have been given that the square has a side length of 4 inches, meaning the area is 4^2 or 16. The area of a triangle is (1/2)base*height. The base length is 4 inches and the height is 6.3, and (1/2)*4*6.3 is 12.6. Note that, since there are four triangles, we have to multiply this value by 4 (12.6*4 = 50.4). Now we have the area of the square and the area of all the triangles put together, so we can just add them up:

16 + 50.4 = 66.4

8 0
2 years ago
june has a savings account with an annual simple intrest rate of 2.6% she hopes to gain $6,500. in interest over a period of ele
natima [27]

To solve this, let's use the variable 'x' to represent the money invested:

11(0.026(x)) = 6500

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Divide:

x = 227272.7272...

We can round up:

x = 227272.73

June has to invest $227272.73

6 0
3 years ago
If A = 3x2 + 3x - 6 and B = -2x2 - 6x + 7, thenA - B equals1) -5r- 11x + 132) 5r2 + 11x – 133) -5x2-x+14) 5x2 -*+1
Grace [21]
3x^2-(-2x^2)+5x-(-6x)-6-(7)=5x^2+11x\text{ - 13}

Therefore, the correct answer is:

2)5x^2+11x\text{ - 13}

5 0
1 year ago
13
Cerrena [4.2K]

Answer:

<h2>2x-10 = 65-x</h2><h2 />

Step-by-step explanation:

just add up both alternate internal angles as they are both equal

so, the equation is: 2x-10 = 65-x

7 0
3 years ago
Read 2 more answers
DUE TODAY AT 4 HELP ME
liq [111]

Answer:

The bar over the 9 means that the nine is repeating itself

7 0
2 years ago
Read 2 more answers
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