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I am Lyosha [343]
3 years ago
12

Evaluate: 21°(3n + 7) = [?]

Mathematics
1 answer:
Basile [38]3 years ago
5 0
21(3n+7)=?
(63n+147)=? After multiplying
63/147=2.33333. After dividing 147/63 plz let me know if I’m wrong.

Answer: 21(3n+7)=2.33333
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3 years ago
Use the diagram and given information to answer the questions and prove the statement.
Greeley [361]

Answer:

See explanation

Step-by-step explanation:

<u> ASA Postulate (Angle-Side-Angle):</u>

If two angles and the included side of one triangle are congruent to the corresponding parts of another triangle, then the triangles are congruent.

Consider triangles XYB and ZYA. In these triangles

  • ∠X≅∠Z (given)
  • XY≅ZY (given)
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By ASA Postulate, triangles XYB and ZYA are congruent. Congruent triangles have congruent corresponding sides, so

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3 years ago
Solve the following quadratic equation for all value of c i'm simplest form <br> 5(x-2)^2=20
xz_007 [3.2K]

Answer:

x=-2 and x=0

Step-by-step explanation:

5(x-2)^2 =  20; divide by 5 both sides

(x-2)^2 = 4; take the square root of both sides

(x-2) = ±2, now set it equal to positive 2 and negative 2

x-2 = 2

x=4

AND

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8 0
3 years ago
Read 2 more answers
Estimate the area pls​
Alenkasestr [34]

Answer:

22

Step-by-step explanation:

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5 0
2 years ago
PLEASE HELP FAST! THX
mr Goodwill [35]

Answer:

3 ,5 , and 2

Step-by-step explanation:

Hope it helps :)

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