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Fantom [35]
3 years ago
10

If k= [-2 9 -8 7 11 6 4 4 -3] then what is -k?

Mathematics
2 answers:
MissTica3 years ago
5 0

Answer:

-4 is the last option

Step-by-step explanation:

because;

k was positive  now we inverse it to negative so all of what k was equal we now transform it to the opposite.

s2008m [1.1K]3 years ago
5 0

Answer:

4th option, D

Step-by-step explanation:

EDGE 2020

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For bone density scores that are normally distributed with a mean of 0 and a standard deviation of​ 1, find the percentage of sc
Shkiper50 [21]

Answer:

a) Scores of 2 and higher are significantly high

b) Scores of -2 and lower are significantly low

c) Scores between -2 and 2 are not significant.

Step-by-step explanation:

Mean = 0

Standard deviation = 1

a. significantly high​ (or at least 2 standard deviations above the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

So scores of 2 and higher are significantly high

b. significantly low​ (or at least 2 standard deviations below the​ mean).

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores of -2 and lower are significantly low

c. not significant​ (or less than 2 standard deviations away from the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores between -2 and 2 are not significant.

3 0
3 years ago
write the linear equation point slope form for the line that is perpendicular to y = -2x+1 and has (4,2) as a solutien.
ladessa [460]
Subtract 4 from both sides of the equation.

y=-4-2x+2

add -4 and +2.

the answer is

y=-2x-2

7 0
3 years ago
Which property is shown? –7 + 24 = 24 + (–7) A. associative property B. distributive property C. opposite of a sum property D. c
erastova [34]
B Commutative Property
4 0
4 years ago
Read 2 more answers
A lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet. Which choice is the closest to the area of lawn tha
pishuonlain [190]

Answer:

C

Step-by-step explanation:

Use the circle area formula.

A = pi * r^2

A = pi * 4^2

A = pi * 16

A = 50.27

6 0
3 years ago
Which graph shows the equation c=10+3t where c is the the total cost
julia-pushkina [17]

Answer:

Step-by-step explanation:

Please share the possible answer choices next time.

c = 10 + 3t is a linear function with y-intercept (0, 10) and slope 3.

Plot (0, 10).  Starting there, move your pencil point 1 unit to the right and 3 units up.  Plot this new point (1, 13).  Draw a line connecting

(0, 10) and (1, 13).

6 0
3 years ago
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