Answer:
27
Step-by-step explanation:
Remember to follow PEMDAS. Note that, when multiplying or dividing:
1) one positive and one negative = negative number
2) two positive = positive number
3) two negative = positive number
(-7)(-5) = -7 * -5 = 35
+(-8) = +1 * -8 = -8
Subtract:
35 - 8 = 27
27 is your answer.
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Answer:
3x0.9, 30x9, 3/1000 times 9/10000
Step-by-step explanation:
Multiply each factor by multiples of ten.
Because for each x-value in the domain of this relationship, except for 0, there is more than one y-value, this is NOT a function.
Answer:
1/5 is the fraction of 20%.
Answer:
If the present age is x, then age n years later/hence = x + n. If the present age is x, then age n years ago = x – n. The ages in a ratio a: b will be ax and bx. If the current age is y, then 1/n of the age is y/n.
