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Basile [38]
3 years ago
8

Decide whether 2x+8 and 2(x+4)+4 are equivalent expressions. Explain how you know

Mathematics
1 answer:
vovangra [49]3 years ago
6 0

Answer:

2x+8 and 2(x+4)+4 are not equivalent expressions

Step-by-step explanation:

Firs we need to expand 2(x+4)+4 using the distributive law as shown;

2(x+4)+4

=2(x) + 2(4) + 4

= 2x + 8 + 4

= 2x + 12

Since the result is not equivalent to 2x+8 hence 2x+8 and 2(x+4)+4 are not equivalent expressions

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A,C, and F (i think <3)

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3 years ago
X is an odd number and the sum of the next two consecutive even numbers is less than 90.
Mila [183]

Answer:

41

Step-by-step explanation:

Let the odd number be x

Therefore,

(x + 1) + (x + 3) < 90 \\ 2x + 4 < 90 \\ 2x < 86 \\ x < 43

Therefore, Largest possible odd number of x is 41

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3 years ago
parallelogram RSTV is similar to parallelogram WXYZ. What is the scale factor of a dilation from RSTV to WXYZ.
seropon [69]
Not sure when this is from but if it was recent and you still need the answer I believe it’s 1/5.
5 0
3 years ago
Read 2 more answers
Find the value of x. (picture)
Hoochie [10]

Answer:

x = 23

Step-by-step explanation:

Remember, angles in a triangle add up to equal 180

That being said we can create an equation to solve for x

180 = 110 + 35 + x + 12

now we solve for x

step 1: combine like terms

110 + 35 + 12 = 157

now we have 180 = 157 + x

step 2 subtract 157 from each side

180 - 157 = 23

157  - 157 cancels out

we're left with x = 23

5 0
3 years ago
Robin’s scores: 99, 108, 102, 107, 119 Mean = 107; MAD = 5. 2 Evelyn’s scores: 125, 137, 138, 145, 145 Mean = 138; MAD = 5. 6 Ex
IgorLugansk [536]

The absolute distance of the Evelyn scores from her mean score is greater than the absolute distance of Robin scores from his mean score.

<h3>What is Mean?</h3>

Mean is simply defined as the average of the given set of numbers. The mean is considered as one of the measures of central tendencies in statistics. The mean is said to be an arithmetic mean. It is the ratio of the sum of the observation to the total number of observations.

<h3>What is the mean absolute deviation?</h3>

Mean refers to the average of the observation and deviation means the variation from the present standard.

Given

Robin’s scores: 99, 108, 102, 107, 119

Mean = 107

MAD = 5.2

Evelyn’s scores: 125, 137, 138, 145, 145

Mean = 138

MAD = 5.6

The absolute distance of the Evelyn scores from her mean score is greater than the absolute distance of Robin scores from his mean score.

More about the mean and the mean absolute deviation link is given below.

brainly.com/question/10258446

8 0
3 years ago
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