3 years ago

12a - 6 + 7a - 2a ; a = 4 Need help please

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

Plug in the value of a in the equation:

12(4) - 6 + 7(4) - 2(4)

Solve 12(4) - 6:

12(4) - 6 = 48 - 6 = 42

Solve 7(4) - 2(4):

7(4) - 2(4) = 28 - 8 = 20

Combine both answers (42+20):

42+20 = 62

Complete answer:

12(4) - 6 + 7(4) - 2(4) = 62

You might be interested in

Please someone help. Giving brainliest!!!!!! :)

irina [24]

Answer:

PLEASE BRAINLIEST

Step-by-step explanation:

400-2a =332

400-332 =2a

2a=68

a=34

8 0

3 years ago

If a person walks 2.4 miles in i.5hours how far can he walk in 3hours

Lubov Fominskaja [6]

I used the cross product method
5x = 2.4 •3
5x=7.2
7.2divided by 5
1.44 miles in 3 hours

Hope I helped

8 0

3 years ago

Which number line correctly shows 4.5 -2.5?

Alecsey [184]

Answer: A

Step-by-step explanation: This is because the first line goes forward 4.5 and the second line moves it back 2.5 and 4.5-2.5 is 2 which is the endpoint of answer a

5 0

4 years ago

Read 2 more answers

Geometry Question Please Help!

Norma-Jean [14]

Answer:

$\textbf{D. }\sim p\rightarrow \,\sim q$

Step-by-step explanation:

Assuming your conditional is ...

$p\rightarrow q$

The inverse negates both clauses without changing their order.

The inverse is ...

$\boxed{\neg p\rightarrow \neg q}$

7 0

4 years ago

What is the solution to the system of equations graphed below?

FrozenT [24]

Step-by-step explanation:

The intersection point of the two equations is the solution of the system.

(-5,1)

3 0

3 years ago

Read 2 more answers