Use the following information to answer the following morning feeling sick. A close family member suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms." Your statement, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms," is called a(n) O A) observation O B) hypothesis O C) theory O D) conclusion

Q: S- 3 x-9

A: Use the substitution method and simplify than integrate.

Q: Sx(2x – 3)®dx

A:

Q: olx 3(2-3x)"

A: The objective is to solve the integral ∫132-3x4dx

Q: Y16x? 14x²-2x² -2

A:

Q: Define the term coefficients?

A: Coefficients:  A numerical or constant quantity placed before and multiplying the variable in an…

Q: dr –DA V7 - 5r)

A:

Q: 7レ10u'v· 8uv 3 10u°v 8uv3

A: = ( ( ( ( ( 7v3*10 ) * u3 ) * v5 )*8 )*u )*v3 = ( ( ( ( ( 7* 2 * 5 v3) * u3) * v5) * 8) * u ) * v3…

Q: fxVx+ 6dx

A:

Q: curl(curl F)= grad(div F) - 2F

A:

Q: 3x-9(if x=6)

A: Given,            3x-9 if x=6

Q: Differentiate y = xV A. 2Vx (2+In x) В. (2+In x) VX C. 2vx 2V (2 – In x) | D. 2V (2 + In x)

A:

Q: 48 64

A: The expression for ∠MCA is,

Q: 2- S --y Vty zdzdxdy

A:

Q: find domain

A: If you have any questions let me know in comment box thankyou for your question.

Q: AB intersects CD at E. If the m AED = 6x - 20 and m ZCEB = 2x + 60, find the ZAEC. %3D

A: AB intersects CD at E. angle AED=6x-20 angle CEB=2X+60

Q: 6 - 7z + 5) dz Find Preview +C

A:

Q: Calculate the risk of fire if the probability of a release is 2.13 x 106 per year. The probability…

A:

Q: find x+y+z

A:

Q: Find + 3x*) dx 3 3 + C

A: Integral.

Q: 2x+1 dx.

A:

Q: order of (Z4, +4) for each element

A: order of (Z4, +4) for each element

Q: 23) 9 &x + 10

A:

Q: 2. X8x+5 (4x22 2.

A: Here we have,  a) 2xy2×8x4y5b) 4x2y32

Q: Find Зе 3e3ay

A: Partial derivative with respect to x means treat y constant.

Q: where din you get 2y

A:

Q: x6+x5+2x4+2x³+2x²+x+1 x²+1

A:

Q: 3 3 25x ? 2 7x3 3 16х5 dx 5

A: use property of integral to solve this.

Q: 4 Find x. 2x -10 14

A: Given a circle with two chords intersecting each other. To find x

Q: What is the value of X? _  and  Y? _

A: Given, 6x-3y=9 -8x+5y=-11

Q: Find the perimeter of a rectangle EFGH with coordinates E(-3,-2), F(-8,-2), G(-8,9), and H(-3,9)

A: To find: The perimeter of rectangle EFGH. Given: The points are E-3,-2, F-8,-2, G-8,9 and H-3,9.…

Q: (6.8x13) (8.5xI9 -3 -4

A:

Q: Y+5>1

A: I am going to solve the given problem by using some simple algebra to get the required result.

Q: hogs 15 X=4

A:

Q: 8log10(x-7)=16

A: Given,

Q: 10 – 2x6 dx

A:

Q: 3P+2 p2+4

A: The answer is,  3cos(2t) + sin(2t)  The detailed solution is as follows below: