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Nutka1998 [239]
3 years ago
11

Find the value of x. A. 11 B. 10 C. 9 D. 14

Mathematics
1 answer:
velikii [3]3 years ago
8 0
Use proportionalitie of sides so because this line with length 2x-8 is a midle segment line what mean that 

2x-8      1
------- = ---  => 2x -8 = 10 so 2x = 18 so x = 18/2 so x = 9 
  20       2

and so choice C. is right sure 
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Answer:

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4 0
3 years ago
Your friend says that 14.5% is same as the fraction 29/200. explain whether your friend is correct or incorrect by comparing the
OlgaM077 [116]

14.5% = 0.145

Step-by-step explanation:

The term 'percent' (%) actually means per 100. So when you say 14.5% it means 14.5 per 100. So when you put that into an equation it actually means:

So when you solve it, 14.5% is actually 0.145 and not 14.5.

Your friend is then incorrect because:

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3 0
3 years ago
Read 2 more answers
Find the area of the shaded region. Round to the nearest hundredth when necessary.
dusya [7]
Answer: 423.11 m^2


Step by step explanation:

Area of a circle formula pi*r^2

First solve the area of the big circle

3.14*21^2=1384.74 m^2

Now find the are of the smaller circle

r=21-3.5=17.5
3.14*(17.5)^2=961.63 m^2

Now we can minus the small area off the big area to get the shaded area.

1384.74-961.63=423.11 m^2

So the area of the shaded region is 423.11 m^2
3 0
3 years ago
Please Help!!<br> Write the function I'm vertex form<br> y = -x^2-2x+6<br> y=
balu736 [363]

Rewrite in standard form and use the form to find the vertex.

(1, 5)

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7 0
3 years ago
55.8 is 62% of what number
8_murik_8 [283]
All you have to do is multiply 55.8 by .62 to get the answer which is 34.596 but I rounded up it to 34.60
7 0
3 years ago
Read 2 more answers
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