MATHEMATICS MIDDLE SCHOOL

What is the amplitude, period, and phase shift of f(x)=-5 sin(x+2 pie)-4

Answers

Answer 1

Answer:

Step-by-step explanation:

For a wave:

y = A sin (2π/T x − φ) + B

A is the amplitude,

T is the period,

φ is the phase shift,

and B is the offset.

The given wave is:

f(x) = -5 sin(x + 2π) − 4

So the amplitude is -5, the period is 2π, and the phase shift is -2π.

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Will practices piano for 1/4 hour,1/2 hour or 3/4 hour every other day if a line plot shows two Xs above each value of time what is the total amount of time will has spent practicing?Sorry i dont understand

Answers

the to this question is 5/4 because i found the common denominator and added my numerator. so thats how i got my answer

Witch shape has 5. Sides

Answers

A Pentagon has 5 Sides.

A shape with five sides is a pentagon

The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a, was used to solve the equation 3x2 + 4x − 2 = 0. Fill in the missing denominator of the solution. negative 2 plus or minus the square root of 10, all over blank A.−4
B.2
C.3
D.6

Answers

By using a quadratic equation the missing denominator of the solution is 4 plus or minus the square root of 2, all over is (B).2

What is a Quadratic Equation?

For a Quadratic Equation $a x^(2)+b x+c=0$

By Formula Method we get

$x=\frac{-b \pm \sqrt{b^(2)-4 a c}}{2 a}$

So we have a Quadratic Equation that is $2 x^(2)-8 x+7=0$

On Comparing we get,

a = 2

b = -8

c = 7

By substituting a, b, and c values we get

$&x=\frac{-(-8) \pm \sqrt{(-8)^(2)-4(2)(7)}}{2(2)} \n$

$&x=(8 \pm √(64-56))/(4) \n$

$&x=(8 \pm √(8))/(4) \n$

$&x=(8 \pm 2 √(2))/(4) \n$

$&x=2\left((4 \pm √(2))/(4)\right) \n$

$&x=(4 \pm √(2))/(2)$

Therefore, by using a quadratic equation the missing denominator of the solution 4 plus or minus the square root of 2, all over is (B).2

Hence the correct answer is option B.2

To learn more about Formula Method refer to:

brainly.com/question/22080275

#SPJ2

Answer:

C. 3

Step-by-step explanation:

3x² + 4x - 2 = 0

[-4 +- sqrt(4² - 4(3)(-2))]/(2×3)

[-4 +- sqrt(40)]/6

[-4 +- 2sqrt(10)]/6

Simplifying, we get:

[-2 +- sqrt(10)]/3

A cone has a base radius of 7 centimeters and a height of 21 centimeters.What is the volume of the cone?

A.
28π cm3

B.
49π cm3

C.
147π cm3

D.
343π cm3
*there is no pic*

Answers

V=(1/3)hpir^2
r=7
h=21
V=(1/3)21pi7^2
V=7pi49
V=343pi cm^3

answer is D

V= π·r²·h/3 is the formula to calculate this.

So, V= 3.14 · 7² · 21/3

Remember to use PEMDAS

Exponents are first so:

V= 3.14 · 49 · 21/3

Now division:

V= 3.14 · 49 · 7

Now multiply from left to right:

V= 153.86 · 7

V= 1077.02

But, in your case, the answer is D) 343π cm³

Can you please help me figure out 6m= $(-1)/(3)$

Answers

-1/3 divided by six... m=-1/18

$6m= (-1)/(3) \n 6/6= (-1)/(3)/6 \n m= -1/18$

Find the missing numbers:

26 - 4 = 12 + x

Answers

26 - 4 = 12 + x
22 - 12 =x
x=10

26-4=12+10
do you need any help in anything else.
22-x
x=10

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