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fredd [130]
3 years ago
5

Which theorem shows how the triangles are similar:

Mathematics
1 answer:
yan [13]3 years ago
6 0

Answer:

AA similarly is correct....

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6. (11.07 MC) It takes a total of 3 hours to wash every window on a building. There are 30 windows. How many minuten​
nevsk [136]
3 hours = 60 x 3 minutes = 180 mins.
Total windows = 30.
So, total time = 30 x 180
= 5400mins
= 90 hours
8 0
3 years ago
AB and CD are parallel lines.<br> Work out the size of x.
sergiy2304 [10]

Answer: x = 10

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The function ƒ(x) = (x − 1)^2 + 5 is not one-to-one. Find a portion of the domain where the function is one-to-one and find an i
melisa1 [442]

Answer:

f(x)=(x-1)^2+5 with domain x>1 and range y>5 has inverse g(x)=sqrt(x-5)+1 with domain x>5 and range y>1.

Step-by-step explanation:

The function is a parabola when graphed. It is in vertex form f(x)=a(x-h)^2+k where (h,k) is vertex and a tells us if it's reflected or not or if it's stretched. The thing we need to notice is the vertex because if we cut the graph with a vertical line here the curve will be one to one. So the vertex is (1,5). Let's restrict the domain so x >1.

* if x>1, then x-1>0.

* Also since the parabola opens up, then y>5.

So let's solve y=(x-1)^2+5 for x.

Subtract 5 on both sides:

y-5=(x-1)^2

Take square root of both sides:

Plus/minus sqrt(y-5)=x-1

We want x-1>0:

Sqrt(y-5)=x-1

Add 1 on both sides:

Sqrt(y-5)+1=x

Swap x and y:

Sqrt(x-5)+1=y

x>5

y>1

3 0
3 years ago
K(-1)= <br> I attached the graph. Please help, thank you in advance.
yanalaym [24]
I think you go to where x=-1 and the y is the answer
5 0
3 years ago
Sara, Bridget &amp; Gordon share some money in the ratio 3 : 5:5.
stellarik [79]

Answer:

let x be the total money so,

3x+5x=32

x=32/8=4

so bridget got,

5×4=£ 20

hope it helps you

Step-by-step explanation:

3 0
3 years ago
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