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Katarina [22]
3 years ago
5

PLEASE HELP DUE AT 2 PM!!!!

Mathematics
2 answers:
boyakko [2]3 years ago
6 0

Step-by-step explanation:

BASARILAR...

......

.

.

GOOD BYE

Alex Ar [27]3 years ago
4 0

Answer:

x = -6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

<u />x - 2 = \frac{5x - 2}{4}<u />

<u />

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Multiply 4 on both sides:                    4(x - 2) = 5x - 2
  2. Distribute 4:                                         4x - 8 = 5x - 2
  3. Subtract 4x on both sides:                 -8 = x - 2
  4. Add 2 on both sides:                          -6 = x
  5. Rewrite:                                               x = -6
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If x varies jointly as y and z,and x=8 when y=4 and a=9,find z when x=16 and y=6​
Luda [366]

Answer:

z=12

Step-by-step explanation:

It is given that x varies jointly as y and z, it means

x\propto yz

x=kyz

x(y,z)=kyz

where, k is the constant of proportionality.

It is given that x=8 when y=4 and z=9

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Divide both sides by 36.

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The value of k is 2/9.

x=\frac{2}{9}yz

We need to find the value of z when x=16 and y=6​.

Substitute x=16 and y=6 in the above equation.

16=\frac{2}{9}(6)z

16=\frac{4}{3}z

Multiply both sides by 3.

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Divide both sides by 4.

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Therefore, the value of z is 12.

7 0
4 years ago
Geometry help please?
Evgesh-ka [11]
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4 years ago
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