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Lana71 [14]
3 years ago
6

Use the identity for the difference of two squares, a^2-b^2=(a-b)(a+b), and the imaginary number i to create an identity for the

sum of two squares. Show that the identity is true.
Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0
Put me as brainliest ive tried i cant figure it out plzz

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The bill is $100.99. You want to leave a 20% tip. How much should the tip be?
Arisa [49]

Answer:

$20.20

Step-by-step explanation:

First Convert 20% into a decimal, by dividing it by 100

Percent = out of 100

20/100 = 0.2

Now, multiply the decimal (0.2) with the bill amount ($100.99):

0.2*100.99

$20.198 <== *remember, we are using money, so we round to the nearest cent (dime)

$20.20 <== how much tip you want to leave

How much you pay altogether:

(Bill + tip)

100.99 + 20.20

$121.19

Hope this helps!

8 0
2 years ago
Is 1.2 less than or higher than 1.5
Olenka [21]

1.2 is less than 1.5

If you cancel out 1 from both numbers you're left with .2 and .5

Multiply both by 10 and get 2 and 5.

Obviously 2 is less than 5.

4 0
3 years ago
Donna sliced several pizzas to serve at her party. Each slice represents
marshall27 [118]

Answer:

6

Step-by-step explanation:

7 0
3 years ago
The number of miles Melody rides her bicycle, m, varies directly with the amount of time spent riding the bike, t. When Melody b
Minchanka [31]


the answer is A. m=7t     You get your answer by dividing 7 into m

m=10.5 miles    10.5 divided by 7 equals 1.5    time is 1.5 hours

8 0
3 years ago
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What is the value of x in the equation -6 x = 5 x + 22?<br> A. -22<br> B. -2<br> C. 2<br> D. 22
Novosadov [1.4K]

Answer:

B. -2

Step-by-step explanation:

-6x = 5x + 22

Put the like terms together, so subtract 5x from the right side. This will result in the new equation, -11x = 22

Now, divide by -11. This will result in the final equation, x = -2

4 0
3 years ago
Read 2 more answers
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