Step-by-step explanation:
Let the number be x, then
15 less than a product of 2 and a number
We can use the subtraction property of logs to expand the right side of the equation:
log(1/H*) = log(1) - log(H*)
No matter what base we’re using, log(1) = 0, so this simplifies to -log(H*). We’re also given a pH value of 3.6, so we can substitute this value into the original equation along with -log(H*) to get
3.6 = -log(H*)
Multiplying by -1 on both sides:
-3.6 = log(H*)
And rewriting in exponential form:
H* = 10^(-3.6) = 0.0003 (rounded to the nearest ten thousandth)
Answer:
B
Step-by-step explanation:
Because alternate interior angles are congruent in parallel lines, the angle next to the 25° in the right triangle is 85 - 25 = 60° which makes the other angle in the right triangle 180 - 90 - 60 = 30°. Since they form a straight angle, we can write x + 30 + 85 = 180 → x + 115 = 180 → x = 65°.
Answer:
14
Step-by-step explanation:
hope this helps not sure if right though hard to see picture is blurry when I zoom in
Answer:
4/12 simplified is 1/3
3/4 > 1/3
Or, imagine this:
There are 2 pies, watermelons, pizzas, cookies, whatever fits you. One is cut into 4 pieces and the other into 3. You take the one with 4 pieces and your friend take the one with 3. When you finish, there is only 1 quarter left. However, your friend didn't even finish half. Of course, you ate more.
Weird example but who cares...
