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Leya [2.2K]
3 years ago
8

BASIC ALGEBRA PLZZZ HELP (x+y)(x-y)

Mathematics
2 answers:
ELEN [110]3 years ago
6 0

Answer:

x^2-y^2

Step-by-step explanation:

Given the expression (x+y)(x-y)

We can distribute this using the FOIL technique

This would leave us with

x^2+xy-xy-y^2

Then we can combine like terms to leave us with

x^2-y^2

Marizza181 [45]3 years ago
6 0

Steps:

(x+y)(x-y)

x^2-xy+xy-y^2

Multiplying the brackets together.

negative and positive= negative

= x^2-y^2

Answer is x^2-y^2

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{(1, 1), (2, 2), (3, 3), (4,4)} domain and range
jarptica [38.1K]

Answer:

Domain: 1, 2, 3, 4

Range: 1, 2, 3, 4

Step-by-step explanation:

The domain is the first coordinate in an ordered pair which is x. In this set of ordered pairs, the first coordinates ( x ) are 1, 2, 3, 4. The range is the second coordinate in an ordered pair which is y. The range of this set of ordered pairs is 1, 2, 3, 4.

Hope This Helps :)

6 0
3 years ago
Read 2 more answers
Linda walked 3/4 of the length of the Tremont Trail. The trail was 3.5 miles long. How far did she walk?
den301095 [7]

Answer:

4.25 miles

Step-by-step explanation:

3 0
3 years ago
A laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this lapt
emmainna [20.7K]

Answer:

Step-by-step explanation:

given that a  laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 10.5 hours and standard deviation 27 minutes.

convert into same units into hours.

X is N(10.5, 0.45)

a)  the probability that the battery life is at least 11.0 hours

P(X\geq 11)\\\\=1-0.8667\\=0.1333

(b)  the probability that the battery life is less than 10.0 hours

=P(X

(c)  the time of use that is exceeded with probability 0.97

=97th percentile

= 11.844

d)  The time of use that is exceeded with probability 0.9 is

is 90th percentile = 10.885

8 0
3 years ago
10. Mindy goes to the pool three times as many days as her friend. If Mandy
erma4kov [3.2K]
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6 0
3 years ago
Jesus bought 5/6 pounds of peanuts. He ate 3/4 pound of the peanuts with his friends. how much does Jesus have left?
Bad White [126]

Answer:

Step-by-step explanation:

Total peanuts = 5/6pounds

They ate = 3/4 of the peanut

= 3/4 × 5/6 = 5/8pounds

They eat 5/8 pounds

Amount left = 5/6 - 5/8

= (20 - 15)/24

= 5/24pounds

Jesus had 5/24 pounds of peanuts left

5 0
2 years ago
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