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sleet_krkn [62]
3 years ago
9

Negative five times the sum of a number and negative nine

Mathematics
1 answer:
Alisiya [41]3 years ago
3 0
-5(n - 9) hope it helps.
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15x – 2(4x + 1) = -9
Oksi-84 [34.3K]

Answer:

-1

Step-by-step explanation:

15x-8x-2=-9

Or, 7x=-9+2

Or, 7x=-7

Or, x=-7/7

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3 years ago
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A magazine article conducted a survey of 525 people in New York City and found that 30% of the population believe that the Yanke
WINSTONCH [101]

Answer:

In this case, the 30% represents the proportion of the sample. It is a statistic that can be used to estimate a parameter of the population.

Step-by-step explanation:

In this case, the 30% represents the proportion of this specific sample (survey taken by the magazine).

It is a statistic that can be used to estimate a parameter of the population. In this case, it may be used to estimate the true proportion of "people in New York who believe that the Yankees will miss the playoffs this year".

If a new sample is taken, a new statistic will be calculated that may or may not be equal to 30%.

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3 years ago
How can you determine if two triangle angles are similar using their angle measurements???? In ur own words !!
Andrej [43]

Answer:

If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.

Step-by-step explanation:

hope this helps:0

4 0
2 years ago
What is the least common denominator for these two rational expressions n^4/n^2+2n+1,7/n^2-8n-9
sergeinik [125]

Answer:

Step-by-step explanation:

n²+2n+1 = (n+1)(n+1)

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the least common denominator for these two rational expressions is :

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Is the following statement true or false?
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