Answer:
A scientific calculator costs $3.50 today. I remember when they cost about $75. What is the percent decrease in the price of a scientific calculator?
In other words: The decrease in price is what percent of the original price?
% Decrease= (Decrease in price(New price-Old Price))/(Original Price(old price))×100
Answer: the answer ould be b hope this helps could you brainliest plz
Step-by-step explanation:
well bc one of the number on the cordinate plane is a negative and the other is a positive than it would be answer choice b hope this helps and could you PLZ brainliest please
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
<u>Trigonometry</u>
- [Right Triangles Only] SOHCAHTOA
- [Right Triangles Only] cosθ = adjacent over hypotenuse
- Inverse Trig
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify variables</em>
Angle θ = <em>x</em>
Adjacent Leg = 15
Hypotenuse = 25
<u>Step 2: Solve for </u><em><u>x</u></em>
- Substitute in variables [Cosine]:
- Simplify:
- Inverse Trig:
- Evaluate:
- Round:
Answer:
a =
Step-by-step explanation:
ab + c = d
- c - c
ab = d - c
divide both sides by b
a =
I hope this helps!!
Function notation is a way of writing a function. f(x) is written instead of using y. For example, f(x) = 6x + 2
Have a good day!