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ollegr [7]
3 years ago
6

Now find the sum what 2 5/6 and

Mathematics
1 answer:
salantis [7]3 years ago
3 0

Answer:

2 \frac{1}{5} + 1 \frac{5}{6}  =  2 \frac{6}{30}  + 1 \frac{25}{30}  \\  \\  \frac{66}{30}  +  \frac{55}{30}  =  \frac{121}{30}  \\  \\  \\  = 4 \frac{1}{30}

I hope I helped you^_^

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9 goats are still in the barn
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Can someone help me work out this please A and B
Lesechka [4]

Answer:

see explanation

Step-by-step explanation:

(a) (i)

x² - 9 ← is a difference of squares and factors as

(x - 3)(x + 3)

(ii)

given x² + x - 12

Consider the factors of the constant term (- 12) which sum to give the coefficient of the x- term (+ 1)

The factors are + 4 and - 3, since

4 × - 3 = - 12 and 4 - 3 = + 1, hence

x² + x - 12 = (x + 4)(x - 3)

(iii)

Express the numerator/ denominator in factored form

\frac{x^2-9}{x^2+x-12}

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Cancel the (x - 3) factor on the numerator/denominator, leaving

= \frac{x+3}{x+4} with restriction x ≠ - 4

(b)

Expand the second pair of factors using FOIL

= (x + 2)(x² + 5x - 3x - 15)

= (x + 2)(x² + 2x - 15)

Multiply each term in the second factor by each term in the first factor

x(x² + 2x - 15) + 2(x² + 2x - 15) ← distribute both parenthesis

= x³ + 2x² - 15x + 2x² + 4x - 30 ← collect like terms

= x³ + 4x² - 11x - 30

Compare like terms with x³ + ax² - 11x + b

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3 0
3 years ago
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anastassius [24]

Answer:

Y=3/2X + 3

Step-by-step explanation:

Y= mX + b

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this is shown on the diagram I drew below

m is the slope of the line and can be calculated

m = change in Y/ Change in X

Our change in Y is 6-3

And out change is X is 2-0

So

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This is shown on the image below

Y=3/2X + 3

4 0
3 years ago
What is the fraction for 0.27 repeating?
Lynna [10]
It has a fixed method in regards o finding the <span>fraction for 0.27 repeating. Let us now write down the method for you to understand clearly

Let us assume that

x = 0.27272727.....
Now let us multiply both sides by 100 to get a second equation
100x = 27.272727......
Let us now subtract the first equation from the second. We get
100x = 27.272727......
x = 0.27272727....
We get
99x = 27
x = 27/99
   = 3/11
From the above deduction, we can conclude that </span><span>the fraction for 0.27 repeating is 3/11. </span>
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What is angle dae. Please help I need extra characters wooooo
dsp73

Answer:

36

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