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kow [346]
3 years ago
14

Salid bought 35 feet of window trim at a hardware store. The trim cost $1.75 per foot, including sales tax. If salid paid with a

$100.00 bill,how much change should he have received?
Mathematics
1 answer:
Romashka [77]3 years ago
3 0
First figure out how much he paid. $61.25 then you have to multiply the cost and how much it cost. Then after that subtract it from 100 and your answer would be $38.75

I hope this helps!
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Two expressions equivalent to 15(x-3)
zimovet [89]

Answer:

5*3(x-3)

15(3+x)

Step-by-step explanation:

8 0
4 years ago
Write an equation to represent the points (-4 4) (4 -3)
ser-zykov [4K]
I really hope this helps you.You walk backwards 4 steps and you then walk forwards 4 steps.I have 4 dollars and I owe someone 3 dollars..
3 0
3 years ago
Solve the following initial-value problem:<br><br> (ex+y)dx+(3+x+yey)dy=0, y(0)=1<br><br> 0=
alex41 [277]

Answer:

e^x+xy+3y+(y-1)e^y=4

Step-by-step explanation:

Given that

(e^x+y)dx+(3+x+ye^y)dy=0

Here

M=e^x+y

N=3+x+ye^y

We know that

M dx + N dy=0 will be exact if

\frac{\partial M}{\partial y}=\frac{\partial N}{\partial x}

So

\frac{\partial M}{\partial y}=1

\frac{\partial N}{\partial x}=1

it means that this is a exact equation.

\int d\left(e^x+xy+3y+(y-1)e^y\right)=0

Noe by integrating above equation

e^x+xy+3y+(y-1)e^y=C

Given that

x= 0 then y= 1

e^0+0+3+(1-1)e^1=C

C=4

So the our final equation will be

e^x+xy+3y+(y-1)e^y=4

3 0
3 years ago
Q # 19. I need your help on this
Komok [63]

Solution:

we have been asked to find a function for the given sitatution

The given situation is

A movie store sells DVDs for $11 each. what is the cost C of n DVDs.

Cost of  1 DVD is $11, then the cost of 2 DVDS will be 2x11=$22.

Cost of  1 DVD is $11, then the cost of 3 DVDS will be 3x11=$33.

......................................................................................................................

.......................................................................................................................

Cost of  1 DVD is $11, then the cost of n DVDS will be nx11=$11n.

Since the price is increasing exactly by $11 for each additional DVDS so the Graph will be discrete.

Hence the correct option is C=11n, Discrete.


7 0
4 years ago
The radius of a circle is 6 in. Find the circumference to the nearest tenth.
ycow [4]

Answer:

37.7

Step-by-step explanation:

The orginal answer is 37.699

But you want to round the tenth

So 9 to the 6 you want to rasie the score

6 turns into a 7 and the numbers behind it (9 and the other 9) turn into a zero

37.7 or 37.700

8 0
3 years ago
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