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Naddik [55]
3 years ago
15

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

Mathematics
1 answer:
bearhunter [10]3 years ago
3 0

Answer:

35.

Step-by-step explanation:

a^2 + b^2 = (a + b)^2 - 2ab

Substituting the given values:

25 = (a + b)^2 - 2*5

(a + b)^2 = 25 + 10

(a + b)^2 = 35

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melisa1 [442]

Answer:

1.105°

angle relationship=vertical angles

2.112°

angle relationship=interior angles

Step-by-step explanation:

1.180-75=105

2.180-68=112

#Carry on Learning

6 0
3 years ago
|c-10|=3 <br>absolute value
Norma-Jean [14]

The final solutions are C1=7, C2=14


6 0
3 years ago
Simplify the product using distributive property (2x-5)(x+3) show work
coldgirl [10]
Use the FOIL method
First, Outside, Inside, Last
(2x -5)(x + 3)

2x(x) = 2x²
2x(3) = 6x
-5(x) = -5x
-5(3) = -15

2x² + 6x - 5x - 15

simplify

2x² + 6x - 5x - 15

2x² + x - 15


2x² + x - 15 is your answer

hope this helps
4 0
3 years ago
Read 2 more answers
You dropped two coins. What is the probability that they will both land on<br> heads?
VMariaS [17]

Answer:

50/50

Step-by-step explanation:

they both have 2 sides. half of that is %50

5 0
3 years ago
Read 2 more answers
Suppose you are standing such that a 32-foot tree is directly between you and the sun. If you are standing 140 feet away from th
Ghella [55]

Answer:

Height = 4 feet

Step-by-step explanation:

To determine how tall I can be we take the difference between the shadow cast by the 32-feet tree and the distance away from the tree

But the tree is 32 feet tall but on shadow it's 160

So lemme determine how long I'll be in my shadow first

Distance away from tree= 140 feet

Length of shadow cast by tree

= 160 feet

Length of shadow= 160-140

Length if shadow= 20 feet

My height= x

X/20= 32/160

X= 20*32/260

X = 4 feet

Height = 4 feet

3 0
3 years ago
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