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kotegsom [21]
3 years ago
6

WILL GIVE BRAINLIEST, PLEASE HELP

Mathematics
2 answers:
nlexa [21]3 years ago
5 0
Hey. Let me help you on this one. 

In order for us to solve this question, we need to know how these variables work within the problem. There are many ways of solving this problem; however, we will solve this logically by using both order of operations, and simplification of the problem.

(12 + 3)x
(12 + 3x)x
15x 
12x + 3x

Let's look at the first one. (12+3)x can be simplified and made into (15)x. We got this expression by adding 12 and 3.

Now, let's review the second one (12 + 3x)x can be simplified into (15x)x, and the latter one can be simplified by multiplying two unknowns together to make 15x^2 (it is squared since we have multiplied two exact numbers together)

The second one is not similar to the first one, and we need at least three to know which one of them is not equivalent to the rest.

The third expression is 15x, which is a simplified version of the first one. This shows us that the second statement is not similar to the rest.

Fourth one is 12x + 3x, and it can be simplified by adding 12x and 3x together, giving us 15x. This one is similar to other two expressions.

After simplifying each and other one, we now know which one is not equivalent to others - second option (12 + 3x)x.

Answer: (12 + 3x)x is not equivalent to other expressions.
insens350 [35]3 years ago
3 0
Option B is the odd one out
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When Liz woke up in the morning, it was 6°F. By the late afternoon, the temperature had dropped 9°F.
Reil [10]

Answer:

-3°F

Step-by-step explanation:

6 - 9 =  -3°F

4 0
3 years ago
N the function y = 12.00x + 50, y represents the cost of carpet by the square yard and x represents the number of square yards.
borishaifa [10]

Answer:

The cost increase for each square of carpet by 12.

Step-by-step explanation:

The given function is

y=12.00x+50

It is a slope intercept form of the line

y=mx+b

Where m is the slope and b is y-intercept.

Therefore the slope of given function is 12 and the y-intercept is 50.

It means the initial ot fixed cost of the carpet is 50 and the cost increased by 12 for each square of carpet.

3 0
3 years ago
Use the Pythagorean Theorem to find the distance from Emma's house to the library.
AlladinOne [14]

Answer:square root 130

Step-by-step explanation:

4 0
3 years ago
What's a simplified form of x-1+4+7x-3
Dovator [93]
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8 0
3 years ago
In June, Tara gathered data about amusement park attendance on days with different temperatures. Tara used the equation y=−3.5x+
sergij07 [2.7K]

Answer:

25

Step-by-step explanation:

Given the model:

y=−3.5x+400

Number of children in amusement park = y

Temperature = x

On a certain day:

Temperature = 90°F

Number of children in park = 60

Using the model :

The predicted number of children in park when temperature is 90°F would be :

y = - 3.5(90) + 400

y = - 315 + 400

y = 85

Model prediction = 85 children

Actual figure = 60

Residual :

|Actual - predicted | = |60 - 85| = 25 children

6 0
3 years ago
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