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nlexa [21]
3 years ago
6

What is the square root of 144?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer:

12

Step-by-step explanation:


Andrews [41]3 years ago
6 0

Answer:

12, -12

Step-by-step explanation:

sqrt(144)

What number times itself = 144


12*12 = 144

Also -12*-12 = 144


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The phases of the moon are periodic and repetitive. A new moon occurs when no moon is visible to an observer on
vfiekz [6]

Answer:

It's A

Step-by-step explanation:

Got it right on the practice :)

3 0
3 years ago
A superintendent of a school district conducted a survey to find out the level of job satisfaction among teachers. Out of 53 tea
frez [133]

Answer:

b. 1.15

Step-by-step explanation:

The z statistics is given by:

Z = \frac{X - p}{s}

In which X is the found proportion, p is the expected proportion, and s, which is the standard error is s = \sqrt{\frac{p(1-p)}{n}}

Out of 53 teachers who replied to the survey, 13 claim they are satisfied with their job.

This means that X = \frac{13}{53} = 0.2453

She find that the proportion of satisfied teachers nationally is 18.4%.

This means that p = 0.184

Standard error:

p = 0.184, n = 53.

So

s = \sqrt{\frac{0.184*0.816}{53}} = 0.0532

Z-statistic:

Z = \frac{X - p}{s}

Z = \frac{0.2453 - 0.184}{0.0532}

Z = 1.15

The correct answer is:

b. 1.15

5 0
4 years ago
A rectangle has an area of 64 ft squared. If the length of the rectangle is x ft and the width of the rectangle is x to the 1/2
choli [55]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Solve the system of equations.
nadya68 [22]

Answer:

using the first two equations cancelling the z

-2x-2y-5z=-7

6x+8y+5z=9

4x +6y= 2

using the second and the third equations cancelling the z

6x+8y+5z= 9

-2x-3y-5z= -6

4x +5y = 3

4x + 6y = 2

-4x -5y = -3

y= -1

2x + 2(-1) + 5z = 7

2x - 2 + 5z = 7

2x + 5z = 9

6x + 8(-1) + 5z = 9

6x - 8 + 5z = 9

6x + 5z = 17

-2x - 5z= -9

4x = 8

x = 2

2(2) + 2(-1) + 5z= 7

4 - 2 + 5z = 7

2 + 5z = 7

5z = 5

z = 1

(2, -1, 1)

the answer is a.

Step-by-step explanation:

3 0
4 years ago
PLEASE ANSWER ASAP
ycow [4]

Answer:

Steve

Step-by-step explanation:

Laura's total price: £950

Steve's price:

990 euro + 30 euro = 1020 euro

1020 euro × (£1)/(1.1 euro) = £927.27

Answer: Steve

4 0
3 years ago
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