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Natali [406]
3 years ago
14

if 90 percent of cookies were eaten and five remain how many cookies were on the platter before they were eaten

Mathematics
1 answer:
wolverine [178]3 years ago
3 0
50 cookies were on the platter originally.

5 = 10%
10 x 5 = 50
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2 Points
pav-90 [236]
Subtract 15 from both sides.
28-15=13
X=13
7 0
3 years ago
A computer moniter is solid by the diagonal length of the screen a computer monitor has a 15 inch screen the screen has a width
n200080 [17]
For this problem, you would use the Pythagorean Theorem (a^2 + b^2 = c^2)

A and B are the length and width of the triangle. The triangle is created by the diagonal line splitting the computer screen. C is the hypotenuse, which is the diagonal line, and will always be the longest side of the triangle. 

When we plug in the numbers into the formula, we would get this:

13^2 + b^2 = 15^2

B is the unknown variable in which we are trying to find.
First, you square 13 and 15:

169 + b^2 = 225

Then, subtract 169 from both sides:

b^2 = 56

Finally, find the square root of both sides:

b = 7.483314774

Simplify to the nearest tenth, and the answer is 7.5<span />
7 0
2 years ago
Kara ate 2 7/9 of the raisins she packed. Which box shows the decimal equivalent of the amount of raisins she ate? Box A: 2.777
vivado [14]

Answer:  Box A, 2.777

=======================================================

Explanation:

When using a calculator or long division, you should find that

7/9 = 0.7777...

where the 7s go on forever

So we can say that 7/9 = 0.777 approximately. You could argue that the last '7' would round up to an '8' and we could say 7/9 = 0.778; however, I'll stick to the first value so that it matches with the answer.

Since 7/9 = 0.777, this means 2 & 7/9 = 2 + 7/9 = 2 + 0.777 = 2.777 which is box A.

6 0
3 years ago
The product of 8/15, 6/5,1/3 is
Debora [2.8K]
Product is the result of multiplying the numbers, so the <span>product of 8/15, 6/5,1/3 means that we have to multiply the three numbers, like this:

\frac{8}{15} * \frac{6}{5} * \frac{1}{3}
let's make them into one fraction:
</span><span>
\frac{8*6*1}{15*5*3}


We can simplyfy:
</span>
<span>\frac{8*6}{15*5*3}

</span>
<span>\frac{8*2}{15*5}

and multiply:
</span>
<span>\frac{16}{75}

and this is the correct answer!</span>




3 0
3 years ago
1. The degree of the polynomial is - even or odd
kondaur [170]
You need to expain the question better
8 0
3 years ago
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