Simplify this expression.
3x2(7x2 - 9)
a.
21x2 - 9
b.
21...
Mathematics, 26.09.2019 15:50, brandonthomas11
Simplify this expression.
3x2(7x2 - 9)
a.
21x2 - 9
b.
21x2 - 27x2
c.
21x4 - 9
d.
21x4 - 27x2
Answers: 1
Mathematics, 21.06.2019 15:40, sheabenitez305
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
Mathematics, 21.06.2019 17:00, nisazaheer
Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.
Answers: 1
Mathematics, 02.03.2020 19:45
Mathematics, 02.03.2020 19:45
Biology, 02.03.2020 19:45