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3 years ago

In the diagram, the wavelength is shown by :

Mathematics

1 answer:

kupik [55]3 years ago

8 0

Answer:

Cant see the top of the diagram

Step-by-step explanation:

But the wavelength is the how close ur waves are.

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Luis purchased a laptop computer that was marked down by 25 of the original price. What fractional part of the original price di

kotykmax [81]

Answer:

75%

Step-by-step explanation:

100%-25%= 75%

He would have paid 75% of the original price..

4 0

3 years ago

Read 2 more answers

Express the limit as a definite integral on the given interval. lim n→[infinity] n xi ln(1 + xi2) Δx, [2, 7] i = 1

xenn [34]

Answer:

Step-by-step explanation:

$Consider \ the \ following \ series$

$\lim_{n \to \infty} \sum \limits ^n_{i=1} x_i \ In ( 1+ x_i^2) \Delta x , [2,7]$

$Let's \ recall \ the \ explanation \ of$ d $efinite$ $\ integral \ in \ terms \ of \ Riemann \ sum$

$\int^b_a \ f(x) \ dx = \lim_{n \to \infty} \sum \limits ^n_{i=1} \ f(x_i) \Delta x , \ where \ \Delta x = \dfrac{b-a}{n}$

$By \ efinition, \ the \ limit \ is \ then \ expressed \ as \ integral$

$\lim_{n \to \infty} \sum ^a_{i=1} \ x_i \ In (1+x_i^2) \Delta x = \int^7_2 xIn (1+x^2) \ dx$

7 0

3 years ago

-10y + 18 = -3 (5y - 7) + 5y

Alecsey [184]

Answer:

-10y + 18 = -3 (5y - 7) + 5y

-10y + 18 = -18y + 21 + 5y

-10y + 18 = -13y + 21

Step-by-step explanation:

-10y + 18 = -3 (5y - 7) + 5y

-10y + 18 = -18y + 21 + 5y

-10y + 18 = -13y + 21

3 0

3 years ago

a muffin recipe requires 1 cup of sugar and 2 tbsp of vanilla. If the recipe is being increased to 1.5 cups of sugar, which prop

Marta_Voda [28]

You will need 3 tbsp of vanilla.

5 0

4 years ago

A picture is x+20 cm in width and 2x-10 cm in length. The frame is a

Jobisdone [24]

Answer:

A = 1100cm^2

Step by step Explanation:

given the dimensions of width and length of the picture are x+20 by 2x-10 and the frame is a constant 5 cm wider from the edge of the picture to the frame, than the area of the frame is defined as (x+30)(2x)-(x+20)(2x-10) = 30x+200.

If the width is equal to the length which I assume is true if the width is constant.

than x+30=2x, which means x = 30.

if this is true than 30(30)+200 = 1100cm^2

8 0

3 years ago