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Alborosie
3 years ago
10

Is the negative square root 400 rational or irrational

Mathematics
2 answers:
Aleks [24]3 years ago
8 0

Answer:

Step-by-step explanation:

Rational

astraxan [27]3 years ago
6 0

Answer:

Rational

Step-by-step explanation:

20 x 20 is 400 so 20 is a rational number

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(3,-4, slope = undefined
Anni [7]



lines with undefined slope are vertical

equation are  in form of x constant

through the points ( 3 , -4)

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4 0
4 years ago
A. Find the slope of the line that passes through these points.
Alja [10]

slope formula :  \bold{ \sf \dfrac{y_2-y_1}{x_2-x_1}}

a.                          coordinates : (3,12) and (4,16)

\sf \rightarrow \dfrac{16-12}{4-3}

\sf \rightarrow \dfrac{4}{1}

\sf \rightarrow 4

b.                          coordinates : (1,4) and (3,12)

\sf \rightarrow \dfrac{12-4}{3-1}

\sf \rightarrow \dfrac{8}{2}

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3 0
2 years ago
1. if the bearing of p from y is 048° what is the bearing of y from p .
Helen [10]

Answer:

See below and image

Step-by-step explanation:

180 + 48 = 228

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5 0
2 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
Solve for x.<br><br> 3x - 4 = 13
mario62 [17]
X = 17/3 :) :) 

add 4 to both sides 
 then divide both sides by 3
6 0
3 years ago
Read 2 more answers
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