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Elis [28]
4 years ago
9

Which is the last operation performed when evaluating (8 minus 2 x) squared + 4 for x = 3?

Mathematics
2 answers:
MrRa [10]4 years ago
8 0

Your answer would most definitely be addition!

kompoz [17]4 years ago
4 0

Answer:

addition

Step-by-step explanation:

The given expression is (8-2x)^2+4

We want to determine the last operation performed when evaluating this expression for x=3.

We substitute to get:

(8-2*3)^2+4

Multiply within the parenthesis to get:

(8-6)^2+4

Subtract to get:

2^2+4

Evaluate the exponent to get:

4+4

Add to obtain:

8

Hence the final operation is addition

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which answer choice is it?
qwelly [4]

Answer:

A

Step-by-step explanation:

∠ AOC = 90° and

∠ AOB + ∠ BOC = ∠ AOC , that is

x + 8 + 2x = 90

3x + 8 = 90 ( subtract 8 from both sides )

3x = 82 ( divide both sides by 3 )

x = \frac{82}{3}

Then

∠ BOC = 2x = 2 × \frac{82}{3} = \frac{164}{3} ≈ 54.67° ( to 2 dec. places )

8 0
3 years ago
Solve x^3 = 125<br><br> A) x = 5 <br><br> B) x = 25 <br><br> C) x = 5 √5<br><br> D) x = 1,953,125
stellarik [79]
The answer is A. <span>x = 5 because if you multiply 5 by itself 3 times i equals to 125.

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8 0
3 years ago
Which graph best represents an equation with the values shown in the table?
ikadub [295]

Answer:

:P wheres the graph?

Step-by-step explanation:

6 0
3 years ago
*) Eric works at the deli on weekends to earn extra money. He makes $10 per hour making
algol13

Answer:

A=\dfrac{1}{2}(10s+14d)

Step-by-step explanation:

Given that,

He makes $10 per hour making  sandwiches, and $14 per hour delivering orders.

Let there are s sandwiches and d is delivering orders.

Eric puts half of his total earnings in a  savings account for college.

The expression that represents the total amount of money Eric saves for working s hours making sandwiches and d hours delivering orders.

A=\dfrac{1}{2}(10s+14d)

Hence, this is the required solution.

8 0
3 years ago
Answer this question ASAP.
Alex777 [14]
Indonesia, turkey, sweden, iceland
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