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anzhelika [568]
3 years ago
10

PLEASE HELP, 25 POINTS!!!!!

Mathematics
1 answer:
AveGali [126]3 years ago
4 0

Answer:

-14

cuz sqrt of -16 is -4 and  sqrt of -64 is -8 but there is an - sign there so it is positive

then 3+-4 is -1 and 6+8 is 14

lastly multiply and you get negative 14

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blagie [28]

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Step-by-step explanation:

6 0
3 years ago
A rectangular table top has dimensions as 1.52m and 0.75m. Find the perimeter in cm
Elis [28]

That is a question about perimeter of rectangle.

The perimeter of a geometric shape is the sum of the value of the all sides.

In a rectangle, the opposite sides are cogruentes (equals). For example, look at picture below. In that rectangle, the sides AB and DC are equals, and the sides AD and BC are equals.

So, the sides of that rectangular table are: 1.52m, 1.52m, 0.75m and 0.75.

Therefore, the perimeter of that rectangle is 1.52+1.52+0.75+0.75= 4.54m.

But that is not the final answer because that is the perimeter in meters and the question want the answer in centimeters.

1 meter has 100 centimeter, so we need to multiplicate the perimeter by 100.

Thus, the perimeter of that rectangular table is 4.54\cdot 100 = 454cm.

3 0
2 years ago
Find the missing number in the pattern:
zhenek [66]

Answer:

The pattern is that they are multiplying by -3 every time. 81*-3 = -243

4 0
2 years ago
If the sample variance for a frequency distribution consisting of hourly wages was computed to be 10, what is the sample standar
skad [1K]

The sample standard deviation is (B) $3.16.

<h3>What is the sample standard deviation?</h3>
  • The sample standard deviation is defined as the root-mean-square of the differences between observations and the sample mean: A significant deviation is defined as two or more standard deviations from the mean.
  • The lowercase Greek letter (sigma) for the population standard deviation or the Latin letter s for the sample standard deviation is most commonly used in mathematical texts and equations to represent standard deviation.
  • For example, if the sample variance for a frequency distribution of hourly wages is 10 and the sample standard deviation is $3.16.

Therefore, the sample standard deviation is (B) $3.16.

Know more about sample standard deviation here:

brainly.com/question/475676


#SPJ4

The complete question is given below:
If the sample variance for a frequency distribution consisting of hourly wages was computed to be 10, what is the sample standard deviation?

A. $4.67

B. $3.16

C. $1.96

D. $10.00

7 0
2 years ago
Graph the solution of y – 2 &gt; 1 on a number line.
Hunter-Best [27]
<span> y-2 > 1
 y-2+2 > 1+2
 y+0 > 3
 y > 3</span>

5 0
2 years ago
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