Answer:
D: y = 5x
Step-by-step explanation:
According to Google, a proportional relationship is one in which two quantities vary directly with each other. We say the variable y varies directly as x if: y=kx. for some constant k , called the constant of proportionality. So the only one in that form would be the y = kx.
The constant k = 5
Answer:
It would be a right triangle
Step-by-step explanation: I drew it out
7 Days It will take a week aka 7 days
Answer:
x = 2.2
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Step-by-step explanation:
<u>Step 1: Define</u>
3.2(x - 1) + 1.5(2x - 2) = 7.44
<u>Step 2: Solve for </u><em><u>x</u></em>
- Distribute: 3.2x - 3.2 + 3x - 3 = 7.44
- Combine like terms: 6.2x - 6.2 = 7.44
- Isolate <em>x</em> term: 6.2x = 13.64
- Isolate <em>x</em>: x = 2.2
<u>Step 3: Check</u>
<em>Plug in x into the original equation to verify it's a solution.</em>
- Substitute in <em>x</em>: 3.2(2.2 - 1) + 1.5(2(2.2) - 2) = 7.44
- Multiply: 3.2(2.2 - 1) + 1.5(4.4 - 2) = 7.44
- Subtract: 3.2(1.2) + 1.5(2.2) = 7.44
- Multiply: 3.84 + 3.6 = 7.44
- Add: 7.44 = 7.44
Here we see that 7.44 does indeed equal 7.44
∴ x = 2.2 is the solution to the equation.
<span>Im pretty sure the answer is C because the polynomial discriminate is 100 hope this helps
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