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nekit [7.7K]
4 years ago
13

Find the sum of the given polynomials.

Mathematics
2 answers:
enot [183]4 years ago
8 0
Number 4 is your answer
DanielleElmas [232]4 years ago
6 0

Answer:

the real answer is 10x^2 + 2x − 9

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When results from a scholastic assessment test are sent to test-takers, the percentiles associated with their scores are also gi
hram777 [196]

Answer:

The correct option is (D).

Step-by-step explanation:

Percentiles are statistical measures that are used to interpret data. It represents the data value which is more that a specific percentage of the data set.

The <em>n</em>th percentile of a data set is the value that is more that <em>n</em>% of the data set.

⇒ It is provided that a test-taker's score was at the 94th percentile for their verbal grade.

This statement implies that the test taker scored a mark more than 94% of the other test-takers, i.e. he\she performed better than 94% of the other test-takers in the verbal grade.

⇒ Also the test-taker's score was at the 16th percentile for their quantitative grade.

This implies that the test taker scored a mark more than 16% of the other test-takers, i.e. he\she performed better than 16% of the other test-takers in the quantitative grade.

Thus, the correct option is (D).

8 0
4 years ago
I stg this is the 3rd time i've asked this question but please help me
Evgen [1.6K]

Answer:

The FitnessGram™ Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute after you hear this signal. Ding  A single lap should be completed each time you hear this sound. Ding  Remember to run in a straight line, and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark, get ready, ding

Step-by-step explanation:

5 0
3 years ago
What is the sum of the arithmetic sequence 8, 15, 22 …, if there are 26 terms?
11111nata11111 [884]
Since the sequence is arithmetic, we have an expression of the form:
 an = a1 + d (n-1)&#10;
 Where,
 a1: first term of the sequence
 d: common difference
 n: number of terms
 We look for the common difference:
 d = 22-15 = 15-8 = 7&#10;&#10;d = 7
 Then, setting values we have:
 a26 = 8 + 7 * (26-1)&#10;&#10;a26 = 183&#10;
 Then, the sum of the terms is:
 Sn = ((a1 + an) / (2)) * n&#10;
 Substituting values:
 Sn = ((8 + 183) / (2)) * 26&#10;&#10;Sn = 2483
 Answer:
 
the sum of the arithmetic sequence 8, 15, 22 is:
 
Sn = 2483
5 0
3 years ago
What’s the 10th term of the geometric sequence 9,-18,36
marta [7]

Answer:

Step-by-step explanation:

-72

5 0
3 years ago
My number has 2 hundreds. the tens digit is 9 more than the ones digit. what is my number
Andru [333]
290

I hope this helps!
6 0
3 years ago
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