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GarryVolchara [31]
3 years ago
8

Melissa had 56 pens and 37 more pencils than pens.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
7 0
Well if she had 37 more pencils than pens and we know she had 56 pens we add 37 to 56 to find out how many pencils she had.
37+56=93.  She had 93 pencils.

Then to find out how many pencils and pens she had we add the number of pencils and pens she had.
56+93=149.  She had 149 pencils and pens.
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What is the value of n 9 times 27+2 times31-28
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3 years ago
The function f is given by f(x) = 3x² - 5<br> -<br> a) Work out f '(43)
Lana71 [14]

Answer:

5236

Step-by-step explanation:

let x=43

f(43)=3(43)^2-5

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4 0
2 years ago
Calculate the Laplace transforms of the following from the definition. 1. y = t^2. y = t^3
Likurg_2 [28]

Answer:

1) L(y)=\frac{2}{s^{3}}

2) L(y)=\frac{6}{s^{4}}

Step-by-step explanation:

To find : Calculate the Laplace transforms of the following from the definition ?

Solution :

We know that,

Laplace transforms of t^n is given by,

L(t^n)=\frac{n!}{s^{n+1}}

1) y=t^2

Laplace of y,

L(y)=L(t^2) here n=2

L(y)=\frac{2!}{s^{2+1}}

L(y)=\frac{2}{s^{3}}

2) y=t^3

Laplace of y,

L(y)=L(t^3) here n=3

L(y)=\frac{3!}{s^{3+1}}

L(y)=\frac{3\times 2}{s^{4}}

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Karolina [17]
The answer would be 9.4
3 0
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If the present value of an investment is $5,000, what will be its future value in three years if you apply a compound interest o
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