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den301095 [7]
3 years ago
12

Solve x , and explain , thanks :)

Mathematics
2 answers:
Triss [41]3 years ago
6 0

Answer:

x=4(√7+2)

this is your correct answer

Step-by-step explanation:

find the length of x by phythagoras theorem in the two right angled triangles

and then in the middle it is a rectangle so it will be 8cm also

Elis [28]3 years ago
5 0

Answer:

hola hablo espańol es bxh=

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The critical value of r is mathematically given as r = +0.487, with no significant linear correlation. Option A.

<h3>What are the critical values of r?</h3>

Question Parameters

r = -0.868

n = 5

df = 5 - 2

df = 3

\alpha / 2 =0.025

Critical values r= \pm 0.878

Generally, there exists no linear correlation between the Critical values

as r=0.878

In conclusion,  Critical values: r = +0.487, no significant linear correlation

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1 year ago
Alan drives 20.4 miles in 17 minutes.He passes a sign which gives the speed limit as 60mph.By how much in mph did Alan exceed th
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12 miles over the speed limit
7 0
2 years ago
Please help answer and explanation im very confused.
Veseljchak [2.6K]

Answer:

1) 18m²

2) 25cm²

Step-by-step explanation:

1)

  • a = ½ × b × h
  • a = ½ × 9 × 4
  • a = ½ × 36
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2)

  • a = ½ × b × h
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6 0
2 years ago
Factor out the greatest common factor. <br>2f^3-8f^2​
ella [17]

Answer:

Step-by-step explanation:

8f² = 2³f²

GCF of 2f³ and 8f² = 2f²

2f³ - 8f² = 2f²(f - 4f)

8 0
3 years ago
If 60 marks is 40% what is full marks
Rina8888 [55]
60 = 40% * x ;
60 = ( 40 / 100 ) * x ;
60 = 2x / 5 ;
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x = 300 / 2 ;
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4 0
2 years ago
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