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MakcuM [25]
3 years ago
7

What is the vaule (x + y)(x + y)

Mathematics
2 answers:
Alecsey [184]3 years ago
8 0

Answer:

x^{2} + 2xy + y^{2}

Step-by-step explanation:

(x + y)(x + y)

= (x + y)(x + y)

=(x)(x) + (x)(y) + (y)(x) + (y)(y)

= x^{2} + xy + xy + y^{2}

= x^{2} + 2xy + y^{2}

Hope this helps, please mark brainliest. :)

Stolb23 [73]3 years ago
6 0

Answer:

x^2+2xy+y^2

Step-by-step explanation:

(x + y)(x + y)

FOIL

first x*x = x^2

Outer x*y = xy

inner: y*x = xy

last y*y = y^2

add together

x^2+xy+xy+y^2

Combine like terms

x^2+2xy+y^2

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Find the product of x(5x+ )
Nonamiya [84]

Answer:

5x2

Step-by-step explanation:

x(5x)

=x*5*x

=5*x2

=5x2

7 0
3 years ago
Read 2 more answers
How many different ways can you write a fraction that has a numerator of 2 as a sum of fractions? Explain.
zhenek [66]

Answer:

Step-by-step explanation:

1/5 + 1/5 = 2/5

1/7 + 1/7 = 2/7

1/3 + 1/3 = 2/3

There are an infinite number of these fractions. They must be 1 and 1 in the numerator, and the denominator must be relatively prime  to 2. The examples I have picked are prime in the denominator, but the rule is not without many exceptions. For example

1/9 + 1/9 = 2/9

I don't think you can pick an even denominator because it will reduce when put with two.  Oh wait 2/18 + 2/18 = 4/18 = 2/9 But these could be reduced before adding. Still, it might count. It depends on who is marking the question.

What about an odd and even denominator?

1/9 + 1/18 = 3/18 = 1/6  There must be something that works, but I can't come up with an example.

4 0
3 years ago
A metal strip is being installed around a workbench that is 8 feet long and 3 feet wide. If the stripping costs $6 per foot, fin
Reil [10]
I believe the answer is $144
Because you first have to multiple 8ft*3 ft=24ft then you have to multiply 24ft times $6=$144
5 0
4 years ago
Is it true that square roots can be compared and ordered by comparing and ordering the numbers underneath the radical symbol?
Naddik [55]

Answer:

Yes

Step-by-step explanation:

I had this same question on a quiz and it is correct!

6 0
3 years ago
Stephanie is a taxi driver. She rents her taxi for $300/week. She feels she can take in $120/day in fares. Let D be the number o
Lesechka [4]

Answer: a. (0, -300), (1, -180), (2, -60), (7, 540)

b. T=120D-300

c. $28080

Step-by-step explanation:

a. T=120D-300 ==> per week

D=0: T=120(0)-300

D=0: T=-300 ==> (0, -300)

D=1: T=120(1)-300

D=1: T=120-300

D=1: T=-180 ==> (1, -180)

D=2: T=120(2)-300

D=2: T=240-300

D=2: T=-60 ==> (2, -60)

D=7: T=120(7)-300

D=7: T=840-300

D=7: T=540 ==> (7, 540)

b. T=120D-300

c. T=120(7)-300

T=840-300

T=$540 per week

1 year = 52 weeks

540*52=$28080

6 0
2 years ago
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