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katen-ka-za [31]
3 years ago
14

I have a question about brainly

Mathematics
2 answers:
faltersainse [42]3 years ago
8 0
I don’t think so, I may be wrong
Anna11 [10]3 years ago
4 0

Answer
I don’t think so
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Running from the top of a flagpole to a hook in the ground there is a rope that is 13 meters long. If the hook is 5 meters from
bagirrra123 [75]

Answer:

12 meters

Step-by-step explanation:

Looking at the problem we can see that it typifies a right angled triangle. The rope running from the top of the flagpole to the hook on the ground is the hypotenuse of the triangle. Let us call this hypotenuse c. Let the distance between the hook and the foot of the flagpole be b. Let the height of the flagpole be a.

From Pythagoras theorem;

c^2 = a^2 + b^2

a^2= c^2 - b^2

a= √c^2-b^2

From the question

c= 13 metres

b= 5 metres

a= the unknown

a= √c^2-b^2

a= √(13)^2 - (5)^2

a= √169 - 25

a= √144

a= 12 meters

6 0
3 years ago
Read 2 more answers
sarah uses a recipe to make 2 gallons of her favorite mixed berry juice. two of the containers she plans to use to store the jui
MAVERICK [17]
1 gallon=4 quarts=8 pints
1quart=2pints
2 gallons=4*2=8quarts=16pints

2 containers are 1 quart
8-2=6 quarts left

6quars=xpints
12pint=xpints

12 pint containers
3 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST to who answers this question correctly.
Alborosie
You start counting from 0 onwards:

C = 6
D = 8

Then C x D = 48

So the product CxD is situated at 48 units from 0



4 0
3 years ago
I need to send photos.
frez [133]

SOLUTION:

Step 1:

From the given question, and comparing the scores in classes A and B

Step 2:

Question one, to know the class which had the better overall result on the exam;

(I) The scores in class A ranges from 65 to 100, while that of class B ranges from 60 to 90. This explains that class A had better results.

(ii) The median of the scores in class A is 85, while the median of the scores in class B is 75, this is another piece of supporting evidence that class A had better results.

Step 3:

Question two, to know the class which had greater variability in the results;

For a better understanding of this question, I need to explain the concept of variability in statistics.

Variability in statistics refers to the difference being exhibited by data points within a data set, as related to each other or as related to the mean. This can be expressed through the range, variance or standard deviation of a data set.

Step 4:

So we need to find the range of scores in each of the two classes and then compare, the class with the greater range has the greater variability.

The Range is the difference between the lowest and highest score (H - L), where H is the highest score and L is the lowest score.

Step 5:

Applying the formula for range stated in step 4;

For Class A; H = 100 and L = 65

For Class B; H = 90 and L = 60

The range for class A; H - L = 100 - 65 = 35

The range for class B; H - L = 90 - 60 = 30

By comparing the range of class A and that of B, it is clear that Class A had a greater range (variability)

CONCLUSION:

Class A had better overall results in the exam and greater variability in the results.

6 0
1 year ago
F(x) = x. What is g(x)?
Y_Kistochka [10]

Step-by-step explanation:

i think this pics will help u

3 0
3 years ago
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