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Anna [14]
3 years ago
10

Determine whether the triangles are similar. If so, what are the similarity statement and the postulate or theorem used?

Mathematics
1 answer:
boyakko [2]3 years ago
4 0
The answer is d 
sides and angles show similarity
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15x^2 - 25 answer with a complete sentence
zubka84 [21]

Answer:

No, the following expression is not a difference of squares. Binomial can not be factored as the  difference of two perfect squares. 3 is not a square.

Step-by-step explanation:

Factor

15x^2 - 25

(15x)^2(-5)^5

Divide by 3 and factor

5(3x^2-5)

"Theory:

A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression."

I put a picture to help u understand.

7 0
3 years ago
Verizon offers two billing plans for local calls. Plan 1 charges $30 per month for unlimited calls, and Plan 2 charges $11 per m
rodikova [14]

Answer:

Number of monthly calls = 475

Step-by-step explanation:

Given:

Plan 1 = $30 per month unlimited calls

Plan 2 = $11 + $0.04(per call)

Find:

Number of monthly calls, plan 1 better than plan 2

Computation:

Plan 1 (Cost) < Plan 2 (Cost)

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Rewrite as a simplified fraction.<br> 0.1 with the 1 repeating
astraxan [27]

Answer:

\frac{1}{9}

Step-by-step explanation:

\frac{1}{9} =0.111111111111111111

7 0
3 years ago
Ms. Edwards is redecorating her office. She has a choice of 6 colors of paint, 3 kinds of curtains, and 4 colors of carpet. How
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6 * 3 * 4 = 72 ways :)
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sasho [114]

Answer:

3001 is a prime number

Step-by-step explanation:

6 0
3 years ago
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