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sammy [17]
3 years ago
8

6a+ -12a plz explain (a=1/2) I don't know evaluating expressions

Mathematics
1 answer:
Marianna [84]3 years ago
7 0

Plug in the 1/2 where the a’s are answer is -3

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I need help on both of these please///:(
SCORPION-xisa [38]

14. The distance between the two points is 14.866.

Distance can be calculated with the following formula:

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(12-2)²+(5-(-6))²

d=√10²+11²

d=√100+121

d=√221

d=14.866

15. The distance between the two points is 20.248.

Use the same formula to find the distance.

d=√(x₂-x₁)²+(y₂-y₁)²

d=√(4-(-3))²+(12-(-7))²

d=√7²+19²

d=√49+361

d=√410

d=20.248

4 0
3 years ago
26 chairs have been split into equal groups,m. How many equal groups are there?
kari74 [83]

Answer:

5

Step-by-step explanation:

because 5*5=25 and you have 1 remainder

3 0
3 years ago
The balance on a car loan after 4 years is $8,996.32. The interest rate is 5.6% compounding annually. What was the initial value
Slav-nsk [51]
You would get 2015.17568 as the interest rate i believe 
6 0
3 years ago
If f(x) = 3x + 1 and f^-1 = x-1/3 , then the ordered pair of f(3) =
Basile [38]

Answer:

10

Step-by-step explanation:

f(x) = 3x + 1

f^-1 = x-1/3 , it is known as inverse function.

f(3)= 3*3 +1

=9+1

=10

To find inverse,

x=3x + 1

y=3x+1

Exchanging the position or x and y

x=3y+1

x-1=3y

.•. y=x-1/3

5 0
2 years ago
Solve for x.<br> 7x - = 6x -<br> O x = 1/4<br> Ox=1<br> Ox= -1<br> O x = -1/4<br> Will give brainly
Leokris [45]

Answer:

D. - 1/4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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