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3 years ago

¿Cuál es la diferencia entre

Mathematics

1 answer:

Advocard [28]3 years ago

4 0

Answer:

Can you do it in english? I can't read in spanish sorry.

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The area of the rectangle shown is 2x^2-x-15 square units. What is the width of the rectangle?

yuradex [85]

Answer:

<h2>The width is (2x + 5) or (x - 3)</h2>

Step-by-step explanation:

The formula of an area of a rectangle:

$A=lw$

l - length

w - width

We have

$A=2x^2-x-15$

$2x^2-x-15=2x^2+5x-6x-15=x(2x+5)-3(2x+5)\\\\=(2x+5)(x-3)$

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4 years ago

A family of four want to go on a cruise around the Mediterranean. They ask for details about cabins on the ship. Cabin Price per

aleksley [76]

Answer:

£126

Step-by-step explanation:

From the question, Cabin price is given as:

Cabin Price Per person

Inside £439

Outside £499

Balcony £565

Suite £869

How much more is a cabin with a balcony than an inside cabin?

Per person,

This is calculated as:

£565 - £439

= £126

5 0

3 years ago

Determine if the sequence is arithmetic. If it is, find the common difference. Is the sequence a function ?

BaLLatris [955]

$6)\\r=a_{n+1}-a_n\to r=a_2-a_1=a_3-a_2=a_4-a_3=...\\\\a_1=-7;\ a_2=-10;\ a_3=-11;\ a_4=-13\\\\a_2-a_1=-10-(-7)=-10+7=-3\\a_3-a_2=-11-(-10)=-11+10=-1\\\\a_3-a_2\neq a_2-a_1\\\\\text{It's not an arithmetic sequence}$

$\r=\dfrac{a_{n+1}}{a_n}\\\\r=\dfrac{a_2}{a_1}=\dfrac{a_3}{a_2}=\dfrac{a_4}{a_3}=...\\\\8.)\\a_1=4;\ a_2=20;\ a_3=100;\ a_4=500\\\\r=\dfrac{20}{4}=\dfrac{100}{20}=\dfrac{500}{100}=5\\\\10.)\\a_1-30;\ a_2=-45;\ a_3=-50;\ a_4=-65\\\\\dfrac{a_2}{a_1}=\dfrac{-45}{-30}=\dfrac{3}{2}\\\\\dfrac{a_3}{a_2}=\dfrac{-50}{-45}=\dfrac{10}{9}\\\\\dfrac{a_2}{a_1}\neq\dfrac{a_3}{a_2}\\\\\text{It's not a geometric sequence}$
$12.)\\a_1=-7;\ a_2=-14;\ a_3=-21;\ a_4=-28\\\\\dfrac{a_2}{a_1}=\dfrac{-14}{-7}=2\\\\\dfrac{a_3}{a_2}=\dfrac{-21}{-14}=\dfrac{3}{2}\\\\\dfrac{a_2}{a_1}\neq\dfrac{a_3}{a_2}\\\\\text{It's not a geometric sequence}\\\\\text{It's a function}$

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3 years ago

(sinx + cos x) ^2 = 1-2 sin x . Cos x

tensa zangetsu [6.8K]

Step-by-step explanation:

zlupdlxls5ly5os<sp^cjxjckgcTN\SMH

3 0

3 years ago

What is the absolute difference in boxes sold between Liszt and mark

jenyasd209 [6]

Answer:

( can you include the problem from the math?)

Step-by-step explanation:

7 0

3 years ago