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Dennis_Churaev [7]
2 years ago
5

X^{2} -81 find the diffrence of squares

Mathematics
1 answer:
Rasek [7]2 years ago
4 0

Answer:

yuygiiyc

ijcyycyccjc

c

ycyi

cyi

chicihihcñicyñi.hcjck kh.i .h.icy

Step-by-step explanation:

bgvghuhukvkbkkk

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coldgirl [10]
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2 years ago
A merchant sold a pen for $6.90 ,thereby making a profit of 15% on her cost calculate the cost of the pen to the merchant to the
NeTakaya
So you know the merchant made a 15% profit on the pen, so she bought it for a cheaper price. To find the cost of the pen before you have to take the price now, $6.90 and times it by 85%. You do 85% because you subtract the 15% she saved from 100% and you get 85%. So 6.90x.85= 5.865 which rounds to $5.87
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Find the value of x in the equation √ x + 5 = √ x + 45.
Ivanshal [37]
There is no solution since 5 doesn't equal 45
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2 years ago
What is the perimeter of a rectangle
natta225 [31]

p=2(l+w)

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3 years ago
Read 2 more answers
Si el velocimetro de un auto marca un 25% mas que la verdadera velocidad y en este momento marca 100km/h entonces la velocidad v
GenaCL600 [577]

Answer:

True speed of the car is 87 km/h.

Step-by-step explanation:

Speed = 100 km/h

hike in speed = 25 %

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v + 15% of v = 100 \\\\v + 0.15 v = 100 \\\\1.5 v = 100\\\\ v = 87  km/h

6 0
3 years ago
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