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sattari [20]
3 years ago
13

-25 - (-100) + 62.3 *

Mathematics
2 answers:
laiz [17]3 years ago
8 0
snjejrnfjdiwnwmrkfudjjsHhahahahsd
Ratling [72]3 years ago
3 0

Answer:

137.3

Step-by-step explanation:

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A total of 363 were sold for the school play. They were either adult tickets or student tickets. The number of student tickets s
timurjin [86]

Answer:

The number of adult tickets sold was 121

Step-by-step explanation:

The general equation is: <em>S</em> + <em>A</em> = <em>T</em>    ;where <em>S</em> means student tickets, <em>A</em> means adult tickets and <em>T</em> means total tickets. We know that <em>S</em> is two times <em>A</em> and <em>T</em> is 363. So, <em>S</em> will be 2x and A will be x. Then, the new equation is 2x + x = 363.

<em>S</em> + <em>A</em> = <em>T</em>  

2x + x = 363  

3x = 363  

x = 363 / 3

x = 121

Adult tickets: <em>A</em> = x = 121

Student tickets: <em>S</em> = 2x = 2 * 121 = 242

5 0
3 years ago
Membership in an elite organization requires a test score in the upper 30% range. If the mean is equal to 115 and the standard d
Olenka [21]

Answer:

Lowest acceptable score = 121.3

Step-by-step explanation:

Mean test score (μ) = 115

Standard deviation (σ) = 12

The z-score for any given test score 'X' is defined as:  

z=\frac{X-\mu}{\sigma}  

In this situation, the organization is looking for people who scored in the upper 30% range, that is, people at or above the 70-th percentile of the normally distributed scores. At the 70-th percentile, the corresponding z-score is 0.525 (obtained from a z-score table). The minimum score, X, that would enable a candidate to apply for membership is:

0.525=\frac{X-115}{12}\\X=121.3

4 0
4 years ago
2.
soldier1979 [14.2K]

Answer:

B. y + 7 = -6/5 (x+3)

Step-by-step explanation:

Use the given slope and point to substitute into the point-slope formula  y − y 1 = m ( x − x 1 ) .

Slope-intercept form:  y = − 6 /5 x − 53 /5

Point-slope form:  y + 7 = − 6 /5 ⋅ ( x + 3 )

3 0
3 years ago
If ƒ(x ) = x 2 + 1 and g(x ) = 3x + 1, find ƒ(2) + g(3).<br><br> 5/3<br> 12<br> 15
seropon [69]
15 is your answer:) your welcome
4 0
3 years ago
Read 2 more answers
Can someone please help me with this
REY [17]

Answer:

Need to see question

Step-by-step explanation:

What's the question?

4 0
2 years ago
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