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nataly862011 [7]
2 years ago
12

Harper goes to a store an buys an item that costs x dollars. She has a coupon for 30% off, and then a 6% tax is added to the dis

counted price. Write an expression in terms of x that represents the total amount that Harper paid at the register.
Mathematics
2 answers:
iragen [17]2 years ago
5 0
Not enough information- the coupon will only be worth 24% after tax though.
Elenna [48]2 years ago
3 0
The coupon would only be 24% tax
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The price of an item has risen to $120 today. Yesterday it was $40. Find the percentage increase.
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Answer:

200%

Step-by-step explanation:

If $40 is 100% then multiply it by 3 to get $120

7 0
2 years ago
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Answer:

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Evan wants to build a rectangular enclosure for his animals. One side of the pen will be against the barn, so he needs no fence
pentagon [3]

Answer:  A.   A=(1000-2w)*w      B. 250 feet

C.  125 000 square feet

Step-by-step explanation:

The area of rectangular is A=l*w    (1)

From another hand the length of the fence is 2*w+l=1000        (2)

L is not multiplied by 2, because the opposite side of the l is the barn,- we don't need in fence on that side.

Express l from (2):

l=1000-2w

Substitude l in (1) by 1000-2w

A=(1000-2w)*w        (3)   ( Part A. is done !)

Part B.

To find the width w  (Wmax) that corresponds to max of area A   we have to dind the roots of equation (1000-2w)w=0  ( we get it from (3))

w1=0  1000-2*w2=0

w2=500

Wmax= (w1+w2)/2=(0+500)/2=250 feet

The width that maximize area A is Wmax=250 feet

Part C.   Using (3) and the value of Wmax=250 we can write the following:

A(Wmax)=250*(1000-2*250)=250*500=125 000 square feets

3 0
3 years ago
What property is x-7=11
SOVA2 [1]

Answer:

Cummative

Step-by-step explanation:

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2 years ago
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Volgvan
Based on the answer choices, we suspect you intend
.. (x -1) +26 = -4x

This simplifies to
.. x +25 = -4x
.. 25 = -5x . . . . . subtract x
.. -5 = x . . . . . . . divide by the coefficient of x

Selection D appears to be appropriate for the question we think you asked.
4 0
3 years ago
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