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andriy [413]
4 years ago
12

Which expression makes the equation true for all values of x?

Mathematics
2 answers:
Nadya [2.5K]4 years ago
7 0

Answer:

<h2>A. 4x - 4</h2>

Step-by-step explanation:

The equation is true for all x values ​​when the left side of the equation is the same as the right side of the equation.

16x - 16 = 4(4x) - 4(4) = 4(4x - 4)

16x - 16 = 4(4x - 4)

ollegr [7]4 years ago
3 0

Answer: A

Step-by-step explanation: 4 times 4x-4 equals 16x-16, which is what is on the other side of the equals sign meaning that they are equal

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Geometry proof<br> help please
Aleks [24]
JK = MN because of Given

∠JLK = ∠MLN because of the vertical angle theorem

JL = LN because of definition of midpoint

ΔJLK = MLN because of SAS

∠K = ∠N because corresponding angles of congruent triangles are congruent.

Hope this helps!<span />
6 0
3 years ago
Read 2 more answers
Floor tile costs $11 $11 per square yard. How much will it cost to tile a bathroom that is 90 90 square feet?
ira [324]

Answer: $1980

Step-by-step explanation:

Well, based off of the question being asked, I assume that you will need to pay $11 for 90 square footage of tiling, and then the same for the other square footage of tiling. Therefore your answer will be $1980. If you are looking for the equation, it is (<em>11x90)=990   (990)2 = 1980</em>

you do not need to multiply 11 by 90 again because you already know the answer.

7 0
3 years ago
Read 2 more answers
A meal at a restaurant cost $34.50, before tip. You decide to leave the server an 18% tip. What is your total bill?
anastassius [24]
The tip is $6.21

with that being said, 34.50 + 6.21 = 40.71

the total cost is $40.71
3 0
3 years ago
Please help, and plz don't be saying this is the right answer if u dont know for sure.
zepelin [54]

Answer:

135 degrees

Step-by-step explanation:

(8x-7)+(12x+57)=180

combine like terms

20x+50 = 180

subtract 50 on both sides

20x = 130

divide by 20

x = 130/20

x = 13/2

x = 6.5

cpq = 12x+57

cpq = 78 + 57

cpq = 135

4 0
3 years ago
Sally is interested in taking a job in a city in which she's not familiar with the cost of living. She is especially concerned a
Salsk061 [2.6K]

Answer:

a. Mean

Step-by-step explanation:

We have been given that the Sally is interested in taking a job in a city in which she's not familiar with the cost of living. She is especially concerned about the cost of housing and is interested in the average cost of a three bedroom home.

We know that in a normal distribution all central tendencies (mean, mode, median) are equal.

When a very large or very small valued data point is added to data set, mean is mostly affected by that outlier.

We know that mode of a data set is the point that appears at-most in the data set, so outliers doesn't affect mode.

Median of a data set is less affected by outliers.

The price of the three bedroom homes owned by millionaires will be greater than prices of houses owned by people in the neighborhood.

Therefore, mean will be most influenced by three bedroom homes owned by millionaires.

7 0
3 years ago
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