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frozen [14]
2 years ago
9

Three times the sum of a number and 3 is 3 less than the number times 5. Find the number.

Mathematics
1 answer:
FromTheMoon [43]2 years ago
5 0

Answer:

3 * (x + 3) = x * 5 - 3

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Simplify <br> ( 5w + 13 ) + ( 2w + 1)
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Answer:

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Step-by-step explanation:

use Foil method

6 0
3 years ago
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Trigonometry Identities help please
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theta is in the fourth quadrant where the cosine is positive.


the third side in the triangle = sqrt (4 - 2) = sqrt2


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6 0
3 years ago
Standardized tests: In a particular year, the mean score on the ACT test was and the standard deviation was . The mean score on
Scorpion4ik [409]

Complete question :

Standardized tests: In a particular year, the mean score on the ACT test was 19.3 and the standard deviation was 5.3. The mean score on the SAT mathematics test was 532 and the standard deviation was 128. The distributions of both scores were approximately bell-shaped. Round the answers to at least two decimal places. Part: 0/4 Part 1 of 4 (a) Find the z-score for an ACT score of 26. The Z-score for an ACT score of 26 is

Answer:

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Step-by-step explanation:

Given that:

For ACT:

Mean score, m = 19.3

Standard deviation, s = 5.3

Zscore for ACT score of 26;

Using the Zscore formula :

(x - mean) / standard deviation

x = 26

Zscore :

(26 - 19.3) / 5.3

= 6.7 / 5.3

= 1.2641509

= 1.26

6 0
3 years ago
1)An employee’s hourly raise went up from 10$ per hour to 12$ per hour. What is the rate of increase?
Step2247 [10]
1- went up 20%

2- went up 7%


Hope this helps:)
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The company should predict about 125 packages will have incorrect weights.
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3 years ago
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