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erik [133]
3 years ago
9

In AABC, AC - BC. The length of AC is three times the length of AB. Find

Mathematics
1 answer:
Arlecino [84]3 years ago
5 0

Answer:

i don't undertsand this question

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Somebody please solve this!!!​
Alex73 [517]

Answer:

See below.

Step-by-step explanation:

We know that

                              tanA + tan B

tan (A + B)     =     ---------------------                       

                               1 - tanAtanB

Substituting for A + B

tan (A + B) = tan pi/4 = 1.

            tanA + tan B

So        ------------------   =    1

             1 - tanAtanB

Therefore   tanA + tan B =   1 - tanAtanB.

8 0
3 years ago
What does a cluster tell you about the data on a scatter plot?
slava [35]
It can tell you the general pattern or that it is far from the other points in scatter plot.
5 0
3 years ago
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What is 2.53 rounded to the nearest whole number
ella [17]

Answer:

3.

Step-by-step explanation:

4 0
3 years ago
X^2+2x+1 is a perfect square trinomial <br><br> True of False?
Nimfa-mama [501]

Answer:

True.

Step-by-step explanation:

It is because it is in the form a^2x^2+2abx+b^2 and this equals (ax+b)^2.

Why it is in that form:  well comparing  a^2x^2+2abx+b^2, we have a=1, b=1. Testing, plug in those values:

(1)^2x^2+2(1)(1)x+(1)^2

1x^2+2x+1

x^2+2x+1.

This has the squared form of (x+1)^2.

Test if you like:

(x+1)^2

(x+1)(x+1)

Use foil to expand:

First: x(x)=x^2

Outer: x(1)=x

Inner: 1(x)=x

Last: 1(1)=1

---------------Add together

x^2+2x+1

It does indeed equal.

4 0
3 years ago
PLS HELPP I WILL MARK BRAINLIEST!!
Tpy6a [65]
The answer is 2 first you add then multiple
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3 years ago
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