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klemol [59]
4 years ago
15

PLEASE ANSWER + BRAINLIEST !!!! Find the indicated sum for the arithmetic series.

Mathematics
1 answer:
schepotkina [342]4 years ago
8 0
Hello there,


I believe the answer would be 17×6 - 6(9+14)(6)/2 = 102 -414 = -312 but i am not 100% Sure!! Sorry if I am wrong!

Hope I helped
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Answer:

Step-by-step explanation:

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3 years ago
Solve the equation -7(2m-6) + 21=-77
Svetllana [295]

Answer:

m=10

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−7(2m−6)+21=−77

(−7)(2m)+(−7)(−6)+21=−77(Distribute)

−14m+42+21=−77

(−14m)+(42+21)=−77(Combine Like Terms)

−14m+63=−77

−14m+63=−77

Step 2: Subtract 63 from both sides.

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Step 3: Divide both sides by -14.

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-10 is the answer
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If the measure of central angle is 57 degrees, what is the measure of its intercepted arc? (just write the number, no degrees)
____ [38]

If a central angle measures 57 degrees, based on the angle-arc relationship, the measure of its intercepted arc = 57 degrees.

<em><u>Recall:</u></em>

  • The image attached below shows the relationship between the measure of the central angle and its intercepted arc.
  • Measure of central angle = its intercepted arc.

Thus, if the measure of a central angle = 57 degrees, based on the angle-arc relationship, the measure of its intercepted arc will also be 57 degrees.

Learn more about central angles on:

brainly.com/question/2548029

8 0
3 years ago
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