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schepotkina [342]
3 years ago
15

10+8k<-30 and 5k-12>67

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0

Answer:

k•(8k3-5k2+5k-5)•(k+1)•(23k2-30k-6)

 ———————————————————————————————————

           2•(3k5-50k4-5)  

Step-by-step explanation:

You should get this sorry if I am wrong but I am pretty sure this is the answer.

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Mrrafil [7]
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Tisha and her academic team are working to go to state finals. They must have a certain number of points to advance. They have h
Westkost [7]

Answer:

b equals T minus a minus c minus d all over 3 ⇒ 3rd answer

Step-by-step explanation:

* Lets explain how to solve the problem

- Tisha and her academic team have had three local matches

# Assume that the points of the local matches are a , c , d

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- District match points count for three times the number of points

  than local matches do

# Assume that the points of the district match is b

- T is the total points they will earned in the four matches

∵ The points in the local matches are a , c , d

∵ The point in district mach is 3b

∴ T = a + c + d + 3b

* <u><em>Lets find b in terms of a , c , d , T</em></u>

∵ T = a + c + d + 3b

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- Subtract c from both sides

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- Subtract d from both sides

∴ T - a - c - d = 3b

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∴ b=\frac{T-a-c-d}{3}

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Use decimals to answer the question what is 6% of 225
ElenaW [278]

Answer:

13.5

Step-by-step explanation:

(Are you meaning this as the answer is a decimal?)

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<em>Cross-cancel 50 and 225 by cancelling out 25.</em>

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<em>Rewrite this so it is a single fraction.</em>

(3 * 9)/2

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27/2

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13.5

6% of 225 is 13.5.

8 0
3 years ago
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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 12

Explanation: I counted

I hope this helped!

<!> Brainliest is appreciated! <!>

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