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Nezavi [6.7K]
3 years ago
9

Completely factored form of xy^3 – x^3y?

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

xy(y - x)(y + x)

Step-by-step explanation:

take out a common factor xy from both terms

= xy(y² - x²)

y² - x² is a difference of squares and factors in general as (y - x)(y + x)

Hence

xy³ - x³y = xy(x - y)(x + y)



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Find the exact value of sec 5pi/4.
Papessa [141]

Answer:

-(sqrt2)

Step-by-step explanation:

3 0
3 years ago
Which equivalent fractions can you use to find the sum of 2/8 + 3/9?
sattari [20]
You can you 72 which would make 2/8 18/72 and 3/9 24/72 which makes the sum 42/72.
7 0
3 years ago
Please help I am confused will give brainly. Not sure how to find the measurements of 2, 3 and 4
antiseptic1488 [7]

Answer:

2: 99° 3: 81° 4: 81°

Step-by-step explanation:

2 is supplementary to 1 so subtract 81 from 180 = 99.

3 is vertical angle with 1 so they are equal

4 is alternate interior angle with 3 so they are equal

hope this helps stay safe :)

4 0
3 years ago
Read 2 more answers
Two kinds of tickets to an outdoor concert were sold: lawn tickets and seat tickets. Less than 400 tickets in total were sold. L
miskamm [114]

Answer:

Tickets to sit on the bench (b) = 150

Tickets to sit on the lawn (l) = 200

Step-by-step explanation:

Tickets to sit on a bench (b)cost $75 each.

Tickets to sit on the lawn (l) cost $40 each

350 tickets had been sold

$19,250 had been raised through tickets sales

This forms a simultaneous equation:

b + l = 350 ... (i)

75b + 40l = 19,250 ... (ii)

Multiplying (i) by 40 and (ii) by 1 we get;

40b + 40l = 14,000 ... (i)

75b + 40l = 19,250 ... (ii)

Subtracting (ii) - (i) we get;

35b = 5250

b = 5250 ÷ 35 = 150

7 0
3 years ago
Simplify the following fraction: 40/56<br> ​
Aloiza [94]

Answer:

5/7

Step-by-step explanation:

Simplify by finding common factors and dividing both the numerator and denominator by it.

40/ 56 = 20/28(divided by 2)  = 10 / 14 (divided by 2) = 5/7 ( divided by 2)

Hope this helps.

Please mark brainiest

6 0
3 years ago
Read 2 more answers
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