2 years ago

1. Find the VALUE of 7x + 3y, when x = 12 and y = -6.

Mathematics

2 answers:

denis23 [38]2 years ago

8 0

Answer:

1.7(12) + 3(-6) = 84 - 18 = 66

slavikrds [6]2 years ago

3 0

Answer:
1. 66
2. 3.87 x 10^-5
3. 81.67
4. 7y - 19

Explanation:

7(12) + 3(-6)
= 84 - 18
= 66

2. 0.0000387 = 3.87 x 10^-5

3.
Area = 3.14 x (5.1)^2
= 81.67cm^2

4.
6(2y - 3) - 5(y + 1)
= 12y - 18 - 5y - 1
= 7y - 19

You might be interested in

What is 5/9 as a decimal and percent?

ale4655 [162]

The answer is 0.555556 I really hope this helps!

3 0

2 years ago

Read 2 more answers

F(x)= 20 + 12(x - 2)

Vinvika [58]

Answer:

f(x) = 12x - 4

Step-by-step explanation:

f(x)= 20 + 12(x - 2)

Distribute

f(x) =20 +12x - 24

Combine like terms

f(x) = 12x+20-24

f(x) = 12x - 4

4 0

2 years ago

Read 2 more answers

Andrew pays a monthly membership fee of $10 at his gym. Each time he uses the gym, he pays $5. Last month, Andrew

slamgirl [31]

Answer:

Step-by-step explanation:

11x5+10=65

6 0

2 years ago

Read 2 more answers

Can someone help me out?

Bingel [31]

Answer: It would be C

Step-by-step explanation:

because on Sat. there were 80 discs and on Mon. there were 55 discs, so 55-80=25 and C is your answer

6 0

2 years ago

Read 2 more answers

What is the value of 6x^2-4x when x=5

creativ13 [48]

This answer is 678. 0003. 9

4 0

2 years ago