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valina [46]
3 years ago
7

Synthetic Substitution (x+y)(x^2-xy+y^2)

Mathematics
1 answer:
Harman [31]3 years ago
4 0

Answer:

x^3 - y^3

Step-by-step explanation:

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A bank teller knows that she received 34 dimes and nickels from a customer. If the change totaled $2.05, how many dimes and nick
ivanzaharov [21]
D = # of dimes
n= # of nickles

d + n = 34 so d = 34 - n
.10d + .05n = 2.05

substitute d = 34 - n into .10d + .05n = 2.05

.10d + .05n = 2.05
.10( 34 - n) + .05n = 2.05
3.4 - .1n + .05n = 2.05
     -.05n = -1.35
  n = 27

d = 34 - n
d = 34 - 27
d = 7

answer

<span>she received 7 dimes and 27 nickels</span>
7 0
3 years ago
Which linear equation is represented by the table?<br><br> x −2 1 3 6<br> y 7 4 2 −1
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Answer:

help calll me daddy

Step-by-step explanation:

8 0
2 years ago
Choose the correct answer. Your bill from Acme Supply Company is marked "2/12, net 30." The amount of the bill is $89.95. If you
hram777 [196]
Your total will be 88.15
4 0
3 years ago
What is 27.35 expressed as a mixed number?
zheka24 [161]
Firstly, you know you have 27 (35/100)

Make this an improper fraction.   2735/100

Simplify this as much as you can.  547/20

Find how many times 20 will go into 540, and use the 7/20 as the fraction part of your mixed number.

Now, make as many whole as you can and states your remaining. 27 7/20


4 0
3 years ago
Henry has three metal rods. The three metal rods measure 7 feet, 9 feet, and 2 feet.
ankoles [38]

Answer:

No, Henry cannot form a triangle.

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of the lengths of two sides must be greater than the third side.

7 (first side) + 2 (second side) = 9

The sum of these two sides is not greater than the third side (9).

So, therefore, Henry cannot form a triangle.

6 0
2 years ago
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