alicebushbeyene
alicebushbeyene alicebushbeyene
  • 23-12-2020
  • Mathematics
contestada

if ab=5 and a²+b²=25,then (a+b)² equals to.​

Respuesta :

Аноним Аноним
  • 23-12-2020

Answer:

30

Step-by-step explanation:

Given

ab=5

a²+b²=25

So

(a+b)²=a²+ab+b²

=a²+b²+ab

=25+5

=30

Answer Link
jimrgrant1 jimrgrant1
  • 23-12-2020

Answer:

(a + b)² = 35

Step-by-step explanation:

Note the expansion of (a + b)²

(a + b)² = a² + b² + 2ab ← substitute given values

            = 25 + 2(5)

            = 25 + 10

            = 35

       

Answer Link

Otras preguntas

Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 100 compact discs that she wants to put into boxes each
Doing monomials. How do you do this one?
choose the plural noun that's spelled correctly?A Fathers-in-lawD Editor in chiefs
I have this sentence that I have to rewrite using a possessive nounThe swimming pool at the athletic center. Please help
analogies, allow:permit::find:
What are the prime numbers of numbers 1-49?
After a rock is rounded how does weathering affect it
A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?
I have this sentence that I have to rewrite using a possessive nounThe swimming pool at the athletic center. Please help
which expression stands for 32 more than a number d