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Ilya [14]
2 years ago
14

If y = sin (ax + b), where a & b are constants, which of these is true

Mathematics
1 answer:
Ilya [14]2 years ago
3 0

Step-by-step explanation:

We have y = sin(ax + b).

=> dy/dx = a * cos(ax + b)

=> d²y/dx² = a[a * -sin(ax + b)] = a² - a * sin(ax + b).

Therefore d²y/dx² = a² - ay,

d²y/dx² - a² + ay = 0.

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PLEASE HELP DUE TODAY
AleksAgata [21]

9514 1404 393

Answer:

  16 square units

Step-by-step explanation:

When you plot the points, you see they define a trapezoid with bases of lengths 2 and 6, and a height of 4. The area formula is ...

  A = (1/2)(b1 +b2)h

  A = (1/2)(2 +6)(4) = 16

The area of the trapezoid is 16 square units.

4 0
2 years ago
An automobile's radiator has a capacity of fifteen quarts, and it currently contains twelve quarts of a thirty percent antifreez
matrenka [14]
I got 3 quarts... this is the last one I'm doing cause you are mad at me and want nothing to do with me. hope u get the rest of your answers and bye.
7 0
3 years ago
Read 2 more answers
Factor the algebraic expression.<br> 72 +63
Ira Lisetskai [31]

Answer:135

Step-by-step explanation:72 + 63 =135

5 0
3 years ago
Workout the value for 3x^2-5y
ale4655 [162]
Remember to do PEMDAS so your answer is not correct, since you multiplied before doing the parentheses/exponents.

Explanation:
3(3)^2- 5(4)
= 3(9) - 5(4)
= 27 - 20 = 7
6 0
2 years ago
2. in a class of 50 students, the number of females is 2 more than 5 times the number of males. How many males and females are t
Ber [7]

Answer:

There are 8 males in the class and 42 females.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the number of females.

y is the number of males.

Class of 50 students

This means that x + y = 50

The number of females is 2 more than 5 times the number of males.

This means that x = 5y + 2

So, finding y, the number of males:

x + y = 50

5y + 2 + y = 50

6y = 48

y = \frac{48}{6}

y = 8

Females:

x = 5y + 2 = 5*8 + 2 = 42

There are 8 males in the class and 42 females.

7 0
2 years ago
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