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netineya [11]
3 years ago
12

Can i get help with this math?

Mathematics
1 answer:
Airida [17]3 years ago
7 0
Sorry but am just in grade 1
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Evaluate each function.<br> 15) f(n)= n° + 3n?; Find f(-4a²)
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Based on the box-and-whisker plot shown below, match each term with the correct value.
olga55 [171]
Here are the numbers that represent each based on the box plot:

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3 years ago
If the total area of a picture measuring 10 inches by 12 inches plus a matting of uniform width surrounding the picture is 224 s
ELEN [110]
Let
x-----------> <span>uniform width surrounding the picture

we know that
(10+2x)*(12+2x)=224-----> 120+20x+24x+4x</span>²=224
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4x²+44x-104=0

using a graph tool-----> to resolve the second order equation
see  the attached figure

the solution is
x=2 in

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4 0
3 years ago
Two fair dice are rolled 3 times and the sum of the numbers that come up is recorded. Find the probability of these events. a. T
alexandr402 [8]

Answer:

Step-by-step explanation:

Given that two fair dice are rolled 3 times and the sum of the numbers that come up is recorded.

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b) Prob sum =4 in exactly 2 rolls

= 3C2 (1/12)^2 (11/12)=\frac{33}{12^3}

5 0
2 years ago
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