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Stels [109]
3 years ago
15

The standard deviations of four data sets are shown in the table below. Which

Mathematics
1 answer:
seropon [69]3 years ago
4 0

You are correct. The higher the standard deviation is, the more spread out the data set will be. Nice work.

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Find the area of a triangle whose sides are 5 m, 6 m and 9m,( use root 2 =-1.41 m)​
dlinn [17]

The area of the triangle is 14.1 square meters

<h3>How to determine the triangle area?</h3>

The side lengths are given as:

5m, 6m and 9m

Calculate the semi-perimeter (s) using

s = (5 + 6 + 9)/2

Evaluate

s = 10

The area is then calculated as:

Area = \sqrt{s(s -a)(s-b)(s-c)

This gives

Area = \sqrt{10 * (10 -5)(10-6)(10-9)

Evaluate the products

Area = \sqrt{200

Evaluate the exponent

Area = 14.1

Hence, the area of the triangle is 14.1 square meters

Read more about areas at:

brainly.com/question/27683633

#SPJ1

4 0
2 years ago
A rocket is launched upward with a velocity of 288 feet per second from the top of a 60-foot building. What is the maximum heigh
mylen [45]

Answer:

288 × 60=17280 feet

Step-by-step explanation:

3 0
3 years ago
Find a and b to make the following matrices equal.
podryga [215]
We need the following to be true
a+2b = -a
a+4 = 2a - 3b

Let's look at the first equation.
a + 2b = -a
Subtract both sides by a
2b = -2a
b = -a

Substitute b= -a into the second equation
a+4 = 2a + 3a
a + 4 = 5a
4a = 4
a = 1

Just take the negative of that and you get the value of b.
b = -1

Your solution is a=1 and b = -1.

Have an awesome day! :)
4 0
3 years ago
Read 2 more answers
Can someone explain to me the meaning of x&lt;-10
AlexFokin [52]

Answer:  x<-10

Step-by-step explanation:

the < in the math equation means that the number to the right is greater than the number to the left.   x can not be -10 it has to be lower (smaller).

3 0
3 years ago
Read 2 more answers
Which number sentence matches the question below?
Aleksandr [31]
The answer would be B. (228-89) because you are trying to find the difference.
5 0
3 years ago
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