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lilavasa [31]
2 years ago
10

★PLSSSSS HELPPPPPPPPP★

Mathematics
1 answer:
LiRa [457]2 years ago
5 0

Answer:

i believe its C

Step-by-step explanation:

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John was given the equation 4(2a + 3)= -3(a - 1) + 31 - 11. Some steps an their reasons have already been completed. State a pro
cestrela7 [59]

Answer:

- Disitributive property.

- Addition property of equality.

Step-by-step explanation:

The complete exercise is attached.

For this exercise you need to remember the following properties:

1. The Distributive property states that:

c(a+b)=ac+bc\\\\c(a-b)=ac-bc

2. The Addition property of equality states that:

If\ a=b\ then\ a+c=b+c

Then, given the equation:

4(2a + 3)= -3(a - 1) + 31 - 11a

You can identify that the first property John used was the Distributive property:

(4)(2a) + (4)(3)= (-3)(a) +(-3)(- 1) + 31 - 11a\\\\8a+12=-3a+3+31-11a

After combining like terms, you can identify that the next  property he applied was the Addition property of equality, adding 14a to both sides of the equation:

8a+12+(14)=-14a+34+(14)\\\\22a+12=34

8 0
3 years ago
Please help!!!!!!!!!
uranmaximum [27]
Is there any choices because i got 2 solutions
8 0
3 years ago
A circle its circumference is 75 cm calculate its surface area
Lana71 [14]
Circumference = πD

------------------------------------------------------------------------
Given that the circumference is 75cm, find Diameter:
------------------------------------------------------------------------
πD = 75
D = 75 ÷ 3.14
D = 23,89 cm

------------------------------------
Find Radius:
------------------------------------
Radius = Diameter ÷ 2
Radius = 23.89 ÷ 2 
Radius = 11.94 cm

------------------------------------
Find Surface Area:
------------------------------------
Area = πr²
Area = 3.14 x 11.94²
Area = 447.65 cm²

------------------------------------
Answer: 447.65cm²
------------------------------------
5 0
2 years ago
If a polynomial function f(x) has roots -6 square root of -3, what must be a factor of f(x)
Lilit [14]

If a polynomial f(x) has a root x_0, then the polynomial is a multiple of x-x_0

In your case, we have x_0=-6\sqrt{-3}, so the polynomial is a multiple of x-(-6\sqrt{-3})=x+6\sqrt{-3}

4 0
3 years ago
Which is a linear function?
Schach [20]

Answer:

The second one down

Step-by-step explanation:

Linear sequences go up and down the same

6 0
3 years ago
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