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3 years ago

PLS HELP THIS ONE!!! IF YOU GOT RIGHT YOU WILL GET BRAINLIEST!!(pls don't miss around else report)

Mathematics

1 answer:

8_murik_8 [283]3 years ago

8 0

Answer:

E. is the correct answer

Step-by-step explanation:

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Marcia has a licorice rope that is 28 inches long. She wants to cut it into 3,-inch pieces to share with friends. How many piece

diamong [38]

Answer:

9 pieces

Step-by-step explanation:

28 inches rope cut into 3-inch pieces

28/3 = 9 1/3

There is no matching answer choice, if given numbers are correct then the answer is 9 full pieces

---------

Note:

The close answer choice is 8
28/8 = 3 1/2 or 3.5
So if cut into 3.5 inch pieces then it is 8 full pieces
just in case it was typo 3 instead of 3.5

8 0

4 years ago

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Find the sale price to the nearest cent of a pair of jeans that originally cost $40 and are 15% off

MrMuchimi

Multiply 40 by the percentage off that you have so .15. then take youre sum and subtract it from the original price to find youre sale price.

5 0

3 years ago

A company sells widgets. The amount of profit, y, made by the company, is related to

just olya [345]

Answer:

$978

Step-by-step explanation:

Given:

y = amount of profit
x = selling price of each widget
$y=-x^2+78x-543$

To find the maximum amount of profit, differentiate the equation, set it to zero and solve for x. Substitute found value of x into the original equation.

Differentiate equation

$y=-x^2+78x-543$

$\implies \dfrac{dy}{dx}=-2x+78$

Set differentiated equation to zero and solve for x:

$\dfrac{dy}{dx}=0$

$\implies -2x+78=0$

$\implies 2x=78$

$\implies x=39$

Maximum profit

Substitute x = 39 into the equation:

$\implies -(39)^2+78(39)-543=978$

Therefore, max profit is $978

7 0

3 years ago

What is the spread of the data? Please help

Svet_ta [14]

D is the answer to this

8 0

3 years ago

F (n)=-3n^2-4n Find f(4)

defon

Answer:

144

Step-by-step explanation:

f(4)=3*4^2

f(4)=12^2

12*12=144

7 0

3 years ago

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