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marta [7]
3 years ago
13

Pls I need hlp with dis plsvery urgent ​

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0

Answer:

ugh hard

Step-by-step explanation:

wow

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Some questions have the form y = kx, where k is a number. Drag each question to the correct category below. ( X = y/2 ),( y = .1
fomenos

Answer:

<u>Has the form y = kx</u>

( y = 0.11x)

(y = 0.04x)

<u>Can be put into form y = kx</u>

(z/x = 9)

<u>Other</u>

(5 = xy)

( x = y/2)

Step-by-step explanation:

<u>y = kx</u>

( y = 0.11x)

(y = 0.04x)

<u>kx = y</u>

(z/x = 9)

-----------

( x = y/2 )

( x - 5 = y)

(5 = xy)

8 0
3 years ago
A restaurant sells about 330 sandwiches each day at a price of $6 each $.25 decrease in price. 15 more sandwiches are sold per d
zmey [24]

Answer:

restaurant should charge $(6-0.25) = $5.75per sandwich to maximize daily revenue.

the revenue is $1983.75

Step-by-step explanation:

to calculate current revenue= $6 x 330 = $1980

suppose x as the number of times the price to be dropped by $0.25

then find new price.. i.e

new price= $(6-0.25x)

and, new sell=330 +15x sandwiches

therefore, the new revenue would be= (6-0.25x)(330 +15x)

in order to maximize the current revenue, simplify the above equation and make it complete square using x

(6-0.25x)(330 +15x)

=1980-82.5x +90x -3.75x^{2}

=1980 + 7.5x -3.75x^{2}

=1980-3.75 (-2x+x^{2}) ----> taking out common

now, to make a complete square lets add and subtract 1 inside the parentheses

=1980-3.75(-1+1-2x+x^{2})

=1980 +3.75 -3.75(x^{2} -2x +1)

=1983.75 -3.75 (x-1)^{2}---->(1)

as (x-1)^{2} is positive always, minimize the other term in order to maximize the total revenue.

so the minimum possible value of (x-1)^{2} = 0

therefore, x=1

putting x in eq(1) the revenure becomes,

$(1983.75-0)=> $1983.75

therefore, restaurant should charge $(6-0.25) = $5.75per sandwich to maximize daily revenue.

the revenue is $1983.75

3 0
3 years ago
You are planning to save for retirement over the next 35 years. to do this, you will invest $870 a month in a stock account and
DaniilM [7]
Go to mathpapa thats what i use
6 0
3 years ago
Complete the equation to make a true statement. 3 qt = ____ pt
Monica [59]
There are two pints in a quart
so 3 times 2 equals 6
3 qt = 6 pt
3 0
3 years ago
Read 2 more answers
In a certain candy store, 3 pounds of candy and 2 pounds of mints cost $10.80, and 1 pound of candy and 3 pounds of mints cost $
worty [1.4K]
Answer is <span>C.c + 3m

</span><span>m = price of mints
c = price of candy,
</span>
cause 1 pound of candy and 3 pounds of mints cost $5.35<span>

</span>
8 0
3 years ago
Read 2 more answers
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