If s(x) =2-x^2and t(x) =3x which value is equivalent to (s·t)(-7)
Answers
the answer is 24 (x) -78
Answer:
987
Step-by-step explanation:
(s.t)(x) = s(x) × t(x) = 3x(2 - x²) = 6x - 3x³
To evaluate (s.t)(- 7) substitute x = - 7 into the product
(s.t)(- 7) = 6(- 7) - 3(- 7)³ = - 42 + 1029 = 987
Janie cut a round slice of watermelon into 3 equal pieces. What's the angle of each piece?
Answers
This would be 120 degrees each. Anything round is 360 degrees and if you cut that into three (which is dividing) it gives you 120
120 degrees
you take 360 because that is the degrees all the way around the circle divide by 3 for the of slices which equals 120.
What is 19% of 72? I NEED TO KNOW HOW YOU GOT THE ANSWER TO!!
Answers
First you must multiply the number by the percent. (19*27= 513) Then you divide the answer by 100, or move decimal two places to the left. (513/100= 5.13) Then round to the nearest whole number (5.13 is approximately 5) Therefore 19%of 27 = 5 :)
What is 30% in decimal form
Answers
.30. Just move the decimal to the left two places.
To find 30% in decimal form, you do: 30/100=0.3 30% in decimal form is 0.3
Round 73.45 to the nearest whole number
Answers
The nearest whole number is 3 and that is under 5 so you round down. So than your answer will be 73
The answer is 73. 4 is below 5, so you do not have to add one.