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adelina 88 [10]
3 years ago
7

F(t)+-2t^2+5t, [1,6] What could this function model be used in real life?

Mathematics
1 answer:
jeka943 years ago
4 0

Explanation:

It might represent the relative position of an object that has some initial velocity and constant acceleration. For whatever reason, the time period of interest is 1 to 6 seconds.

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What is the circumference of a 12-inch diameter pizza? Leave the answer in terms of ?.
adoni [48]

Answer:

C = 37.7 inches

Step-by-step explanation:

You are looking for the circumference.

Formula for the circumference-> C=2πr

variables:

c = circumference

r = radius

You have the diameter, which is 12 inches. Radius is half of the diameter. which means r is half of 12 (aka 6).

put the radius where the variable is in the formula.

C=2π(6)

you now have enough information to solve for circumference.

C = 2 * π * 6

C = 37.7

4 0
3 years ago
How do you do this problem
garri49 [273]

Answer:

110

Step-by-step explanation:

8x10=80

Area of triangle= 1/2 base times height

3x10=30

80+30=110

7 0
3 years ago
Your company withheld $4,463 from your paycheck for taxes. You received a $713 tax refund.
Goryan [66]
<span>This simply means that your actual tax was 3750 because the total withheld - the refund. A tax refund is not an extra money earned by a person, it is actual an excess of what was paid by the person that the IRS have decided to give back to that person.Taxes are usually deducted based on information declared in Form W-4. The yardstick used by IRS is a straightforward method to lessen your assessable wage, yet you have the choice to ascertain your own ordered findings, utilising your genuine deductible costs.</span>
4 0
3 years ago
Chase has 3 gallons of a solution that is 30% antifeeze that he wants to use to winterize his car. How much pure antifreeze shou
makvit [3.9K]

Let  x gallons be the amount of pure antifreeze that should be added to the 30% solution to produce a solution that is 65% antifreeze. Then the total amount of antifreeze solution will be x+3 gallons.

There are 30% of pure antifreeze in 3 gallons of solution, then

3 gallons - 100%,

a gallons - 30%,

where a gallons is the amount of pure antifreeze in given solution.

Mathematically,

\dfrac{3}{a}=\dfrac{100}{30},\\ \\a=\dfrac{3\cdot 30}{100}=0.9\ gallons.

Now in new solution there will be x+0.9 gallons of pure antefreeze.

x+3 gallons - 100%,

x+0.9 - 65%

or

\dfrac{x+3}{x+0.9}=\dfrac{100}{65},\\ \\65(x+3)=100(x+0.9),\\ \\65x+195=100x+90,\\ \\35x=105,\\ \\x=3\ gallons.

Answer: he should add 3 gallons of pure antifreeze.

8 0
3 years ago
18. Last time Francis checked, her credit score was 659. Since then, she applied
zepelin [54]

Answer:

634

Step-by-step explanation:

659-25=634

Poor little Francis. :(

8 0
3 years ago
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