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olga nikolaevna [1]
3 years ago
6

What is f ( -2) for f f(x) = 1/2 x2

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0
I think 20 ft bc microwaves are cool
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Derek makes $8ban hour. Last week his paycheck was $280, before taxes. How many hours did he work last week?
Ber [7]

Answer:

35 hours that week

Step-by-step explanation:

280÷8=35

35 hours that week

3 0
3 years ago
Read 2 more answers
16(3b-0.25) whats the answer?
jarptica [38.1K]
There is no answer as this isn't an equation. And moreover it's in its simplest form.
8 0
3 years ago
A local hamburger shop sold a combined total of 763 hamburgers and cheeseburgers on Saturday. There were 63 more cheeseburgers s
Airida [17]
In order to solve this we'll start by assigning variables to hamburgers and cheeseburgers, since these are what we're trying to find. Lets say x = hamburgers and y = cheeseburgers. So we know two things, we know that x+y= 763 (hamburgers plus cheeseburgers sold equals 763, and we know that y= x+63 (cheeseburgers sold equals 63 more than hamburgers sold). Now we have a system of equations. This can be solved most easily by rearranging each equation to each y, and then set them equal to each other:
x+y=763 -> y=763-x, and we already have y=x+63. Set them equal to each other:
x+63 = 763-x (add x to both sides) -> 2x+63 = 763 (subtract 63 from both sides) -> 2x = 700 (divide both sides by 2) x = 350. So we solved for x, which is hamburgers sold, which is what the question asks for, so your answer is 350 hamburgers were sold on Saturday
6 0
3 years ago
Round 3.251 to the hundredths place.
aliya0001 [1]
It would be 3.25 because you can’t round 0.001 up
4 0
3 years ago
Kory calculated several numbers in his calculator. The result displayed 1.3E-2 on the calculator screen. Which equivalent number
frosja888 [35]

Answer:

  • 0.013
  • 1.3×10^(-2)

Step-by-step explanation:

Many calculators use "E" to signify "×10^( )". Thus ...

... 1.3E-2 = 1.3×10^(-2)

This number in scientific notation is equivalent to the standard form number ...

... 1.3×0.01 = 0.013

5 0
3 years ago
Read 2 more answers
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