Solve for x: one over eight (8x + 15) = 24
2 answers:
Answer:
Option C is correct
one hundred seventy-seven over eight
Step-by-step explanation:
Given the equation: one over eight (8x + 15) = 24
Multiply both sides by 8 we have;
8x+15 =192
Subtract 15 from both sides we have;
Simplify:
8x = 177
Divide both sides by 8 we have;
Therefore, the value for x is, one hundred seventy-seven over eight
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The concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.
<h3>What is pH value?</h3>The pH value shows that how much a solution is acidic or basic. The range of the pH value lies between the 0-14.
The pH value can be calculated with the following formula.
Here, [H⁺] is the molar hydrogen ion concentration.
The pH of lemon juice at 298 K is found to be 2. 32. Put this value of pH in the above formula as,
Hence, the concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.
Learn more about the pH value here;
Answer:
Step-by-step explanation:
we know that
Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.
so
where
a, b and c are the length sides of triangle
s is the semi-perimeter of triangle
we have
<em>Find the semi-perimeter s </em>
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simplify