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EleoNora [17]
3 years ago
8

#9A What is a reasonable first step to solve for y? 1/ 4x + 3y = 2z

Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0
Subtract 1/4 x because you wanna isolate y
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Find the radius or diameter of each circle with the given dimensions. d=18 in.
Dovator [93]

Answer

If d equals diameter the radius is 9

Step-by-step explanation:

5 0
2 years ago
Write an expression in simplest form that represents the cost for shampooing and cutting W women's hair and M men's hair
Tema [17]
Women's cut and shampoo is $20. Men's cut and shampoo is $9.
4 0
3 years ago
Question<br> (X-5y/y3)-1=
Ilia_Sergeevich [38]

Answer:

x  = y^3+5y

Step-by-step explanation:

Complete question

\frac{x - 5y}{y^3} - 1=0\\

Required

Solve for x

We have:

\frac{x - 5y}{y^3} - 1=0

Collect like terms

\frac{x - 5y}{y^3} = 1

Multiply through by y^3

x - 5y = y^3

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8 0
2 years ago
Does anybody know the correct answer to this?
olganol [36]

Answer:

  • sin(X) = 4/5
  • cos(X) = 3/5
  • tan(X) = 4/3

Step-by-step explanation:

The mnemonic SOH CAH TOA is intended to help you remember the relations between sides and trig functions in a right triangle.

  Sin(X) = Opposite/Hypotenuse = 24/30 = 4/5

  Cos(X) = Adjacent/Hypotenuse = 18/30 = 3/5

  Tan(X) = Opposite/Adjacent = 24/18 = 4/3

_____

You may be expected to leave the trig ratios in the original unreduced form.

4 0
2 years ago
X + 20 is greater than 4x -1
Paul [167]

Answer:

False; they are equal.

Step-by-step explanation:

The equation is x + 20 > 4x - 1.

First, do the opposite of -1 and add one to the other side while -1+1 cancels out. Now it's x+21 > 4x. Now subtract x from both sides. Positive x minus negative x cancels out and 4x minus x or 1x is 3x. Now you're left with 21> 3x. Now do the inverse operation of multiplication and divide both sides by 3. Now the 3x over 3 cancels out and 21 divided by 3 is 7. So x is 7. If you substitute it in. It will be 7+20 which is 27 which is great than 4(7)-1 which is 28-1. 28-1 is 27. So, the equation is false. They are equal.

7 0
3 years ago
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