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timurjin [86]
3 years ago
12

Can someone please help me out with this question??

Mathematics
1 answer:
SpyIntel [72]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

The error is in Step 1, by not adding 2 on the left side, that is

Given

7.7 = w - 2 ( add 2 to both sides )

7.7 + 2 = w - 2 + 2

9.7 = w

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Answer:

Step-by-step explanation:

(1+√3)(2-√3)=1(2-√3)+√3(2-√3)

=2-√3+2√3-3

=-1+√3

3 0
3 years ago
&lt;1 and &lt;2 are complementary angles. the measure of &lt;1 is 42°. The measure of &lt;2 is 3x°. find the value of x.​
jeka94
90-42=48

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6 0
3 years ago
40 Points! PLS HELP
const2013 [10]

The area of the square is 9 in^2

The side of a square is the square root of the area.

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Circumference of a circle is PI x diameter.

Circumference of inscribed circle = 3.14 x 3 = 9.42 inches

The diameter for the circumscribed circle would be the diagonal of the square which is 3√2 =  ( Side length x √2) ≈ 4.2426

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5 0
4 years ago
Sharon read a 300 page Book. She read at a rate of 15 pages per day in d days.
valkas [14]

Hey Y'all!!!

Answer:

15 times D= 300    

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8 0
3 years ago
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stepladder [879]

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer

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\frac{3}{4}                                       ///              3

1                                      ////              4

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5 0
3 years ago
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