How do you solve this problem In geometry?

Mathematics

1 answer:

JulsSmile [24]3 years ago

6 0

The 2 smaller triangles are similar. Thus, y is to z as x is to 4. You need 3 such ratios to find the 3 unknowns. Could you try your hand at writing 1 more ratio based upon the illustration?

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What are the zeros of the polynomial function y=2x^3-7x^2+2x+3?

zlopas [31]

$y = 2 {x}^{3} - 7 {x}^{2} + 2x + 3$

By inspection 1 is a root of y ,
Hence , (x-1) is a factor of y ,

$\dfrac{2 {x}^{3} - 7 {x}^{2} + 2x + 3 }{x - 1} = 2 {x}^{2} - 5x - 3 \\ \\ 2 {x}^{2} - 5x - 3 = (2x + 1)(x - 3)$

Hence , the 2 other roots are -1/2 and 3 , and the above graphs confirms the same.

Hope it helps you :)

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2 years ago

12 girls are having a sleepover at a house, the food there can last them for 10 days. If 3 more girls came over, how long will f

FrozenT [24]

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The answer is 8

Step-by-step explanation:

12*10=120 120/15=8

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3 years ago

Robert, a ninth-grader, has just been told, "The reason you’re having so much trouble with division is that you have never maste

Brums [2.3K]

Answer:

Diagnostic

Step-by-step explanation:

The teacher made a diagnostic decision relative to Roberts skill level. Before she made this decision, she first started with the process of evaluation to know his strength and also establish his weakness. With the knowledge she has gotten she now plans to him with meaningful learning and an efficient curriculum that would help him in mastering multiplication first before division.

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Determine if line jk and line lm are parallel perpendicular or neither

frez [133]

Answer:

what are you talking about

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2 years ago

The area (in square feet) of the school sign can be represented by

yawa3891 [41]

Answer:

5x^2+2x-432

Step-by-step explanation:

15x^2+x-215×2+x−2

=15x^2+x-430+x−2

=15x^2+x+x-430-2

=15x^2+2x-432

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1 year ago