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It would be 8(2-x)
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- Hannah ❤
If she is stated in the will she can. If not, then she can't unless You simply give it to her once you inherit the money.
Answer:
y = 10
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
<u>Geometry</u>
- Definition of a Line: A line is 180°
Step-by-step explanation:
<u>Step 1: Set Up Equation</u>
(10y + 6)° + (8y - 6)° = 180°
<u>Step 2: Solve for </u><em><u>y</u></em>
- Combine like terms: 18y = 180
- Divide 18 on both sides: y = 10
Although Alma did use a survey to ask her friends whether listening to music improves their test grades, she did not provide a sample nor could she experiment without using this variable. Thus, using the same reasoning, choices A, B, and C are excluded.
D) She did not use a random sample, and she tried to show cause and effect with an observational study.
Answer: D
Step-by-step explanation:
Yeah, lets look at each of the functions. I'll refer to them as A, B, C, D, and E.
A) f(x)=x^2-16
This has two zero. x^2-16= (x+4)(x-4), which two zeroes include -4 and 4.
Here we introduce an important concept, if the function isn't a perfect square, and is a quadratic, it has two zeroes.
B) This is linear, so it obviously has 1 zero.
C) Two zeroes, because it isn't a perfect square.
D) x^2-10x+25 = (x-5)^2, so it has only one zero.
E) Not a perfect square, so two roots.