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gavmur [86]
3 years ago
8

(5x +252 +X+5) + (x+4)

Mathematics
2 answers:
makkiz [27]3 years ago
7 0

Answer:

7x + 261

Step-by-step explanation:

(5x + x + x) + ( 252 + 5 + 4)

7x + 261

nikdorinn [45]3 years ago
5 0

Answer: 7x + 261

Step-by-step explanation:

(5x + 252 + x + 5) + (x + 4)

5x + 252 + x + 5 + x + 4 (get rid of parenthesis)

7x + 261 (combine like terms)

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cricket20 [7]

Answer:

y = 5 /2 x − 2

Step-by-step explanation:

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The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Use the equation n2 + n = 56 to
Brrunno [24]

We have to solve this quadratic equation n^{2}+n=56 for n to get <em>which figure has 56 blocks</em>.

n^{2}+n=56\\n^{2}+n-56=0

For middle term factorization, we need <em>two numbers that multiplied gives us -56 and added gives us 1 (coefficient of n).</em>

<em>Such two numbers are </em><em>8</em><em> and </em><em>-7</em><em>. We can now write,</em>

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<u><em>"There is no negative figure number possible, so we disregard -8"</em></u>

Our answer is 7.


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3 0
3 years ago
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A yearbook company was investigating whether there is a significant difference between two states in the percents of high school
Keith_Richards [23]

Answer: D. two-sample z-test for a difference in population proportions

Step-by-step explanation:

The options for the given questions were missing. The options are as follows:

A one-sample z-test for a sample proportion

B one-sample z-test for a population proportion

A

C two-sample z-test for a difference in sample proportions

D two-sample z-test for a difference in population proportions

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Sample proportions are used to estimate population proportions.

We are given the sample proportion of students from one state who ordered a yearbook = 70/150

We are also given the sample proportion of students from the other state who ordered a yearbook = 65/100

Since there are 2 samples and we want to investigate if there is a difference between 2 population of students,

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3 years ago
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ArbitrLikvidat [17]

Answer:

GRAPH B

Step-by-step explanation:

I GOT IT CORRECT ON KAHN!!!!

4 0
3 years ago
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