3 years ago

If ab = 5 and a² + b² = 25, then (a + b)² =

2 answers:

5 0

Answer:
35
Explanation:
Recall that (a+b)^2=a^2+2ab+b^2.
We can rearrange it in a way that would make it easier to solve our problem:
(a^2+b^2)+2ab
Now, we just plug in 25 for a^2+b^2, and plug in 5 for ab:
25+2*5
=25+10
=35

prisoha [69]3 years ago

3 0

Answer:

100

Step-by-step explanation:

because 5+5=10

the 10^2=10*10=100

You might be interested in

Use the equation below to find c, if a = 43 and b = 49. c=180-a-) ?

Luden [163]

Answer:

Step-by-step explanation:

43 + 49= 92.

Then 180 - 92= 88

C= 88

7 0

3 years ago

Can someone please help me and ill give you brainliest

Anna11 [10]

Answer:

H = 14.33 i think

Check in with me if it is wrong

3 0

3 years ago

Read 2 more answers

Will give brainliest

Ostrovityanka [42]

$\displaystyle\\\sum_{n=1}^7(4n+2)$

6 0

4 years ago

Solve each equation. Leave the answer as an improper fraction. 16x^2 = 49

zmey [24]

Answer:

7/4

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Andrew invited 30 friends to his birthday party. Seventy percent of his friends came to the party. The other 30% did not come to

solong [7]

Answer:

70% = 7/10

Step-by-step explanation:

The fraction is given in the problem statement as 70%. It can be expressed as 7/10, 0.7, 0.70, and many other ways. Take your pick.

3 0

3 years ago

If ab = 5 and a² + b² = 25, then (a + b)² =​

If ab = 5 and a² + b² = 25, then (a + b)² =