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3 years ago

Carl has a new job making $8.25 an hour. He worked 16.75 hours last week. He also

Mathematics

1 answer:

Gnoma [55]3 years ago

4 0

Answer:

Step-by-step explanation:

Earnings = 16.75 hours × $8.25/hour = $138.1875

Deductions = 6.5% + 1.45% = 7.95%

net = 92.05% of $138.1875 ≈ $127.20

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Twice a number decreased by 20 is 50. What is the number

Sav [38]

The number is 35!! Hope this helps

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3 years ago

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Svetach [21]

We have:

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2 years ago

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Delvig [45]

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3 years ago

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Solve the equation, x^2+3x+1=0, using the quadratic formula.

kari74 [83]

Answer:

x = (-3±√5)/2

Step-by-step explanation:

Matching the given equation to the pattern ...

... ax² +bx +c = 0

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The solution to the above pattern is given by the quadratic formula ...

... x = (-b±√(b²-4ac))/(2a)

Substituting the values of a, b, c that we found, the formula gives ...

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4 years ago

Anestetic [448]

Answer:

D. 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Pre-Calculus

Unit Circle

Calculus

Derivatives
Derivative Notation
Derivative of tan(x) = sec²(x)

Step-by-step explanation:

Step 1: Define

$\frac{d}{dx} [tan(x)]\\x = \pi$

Step 2: Differentiate

Differentiate: $\frac{d}{dx} [tan(x)] = sec^2(x)$

Step 3: Evaluate

Substitute in x: $sec^2(\pi)$
Evaluate: $1$

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3 years ago