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ruslelena [56]
3 years ago
14

B) Find the value of a^2 + b^2 when a = 3 and b= -2

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

Answer:

a) 11

b) 13

Step-by-step explanation:

a) 1 + 2(5) = 11

b) 3² + (-2)² = 9 + 4 = 13

Zielflug [23.3K]3 years ago
5 0

Answer:

13

Step-by-step explanation:

a = 3

b = -2

a² + b² = 3² + (-2)²

= 9 + 4

= 13

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If f(x)=x/2-2and g(x)=2x^2+x-3 find (f+g) (x)
olya-2409 [2.1K]

Answer:

C   2x^2 + 3/2x -5

Step-by-step explanation:

f(x)=x/2-2

g(x)=2x^2+x-3

(f+g) (x)=x/2-2+2x^2+x-3

Combine like terms

           2x^2 + 3/2x -5

4 0
4 years ago
Please help me answer the question
Veronika [31]

Answer:

fourth option

Step-by-step explanation:

Common difference is given by difference of two consecutive term

d = nth term - (n-1)th term

______________________________________

for all the  series lets take second term as nth term

and first term as (n-1)th term

_________________________________________

for first series

n th term = -3 1/2 = -3.5

(n-1)th term = -5

therefore

d= -3.5 -(-5) = -3.5 +5 = 1.5

______________________________________

for second series

n th term = 4 1/2 = 4.5

(n-1)th term = 2 1/2 = 2.5

therefore

d= 4.5 -(2.5) =2

_________________________

for third series

n th term = 3

(n-1)th term =1.5

therefore

d= 3 - 1.5 = 1.5

__________________________________

for fourth series

n th term = -1.5

(n-1)th term = -4

therefore

d= -1.5 -(-4) = -1.5 + 4 = 2.5 = 2 1/2

___________________________________

Thus, based on above solution option four has common difference of 2 1/2

3 0
3 years ago
The radius of a circle is 14 millimeters. What is the circle's area?
Airida [17]

Answer: Circle

Solve for area

A≈615.75

r Radius

14

d

r

r

r

d

d

C

A

Solution

A=

π

r

2

=

π

14

2

≈

615.75216

Step-by-step explanation:

5 0
3 years ago
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Westkost [7]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (- 6, - 3)

m = \frac{-3-5}{-6+2} = \frac{-8}{-4} = 2

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Round 4.25 to the nearest tenth
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The 5 rounds to 3 so it is 4.3
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