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Triss [41]
3 years ago
8

5a - 2(4a + 1) + 6(4a - 1)​ simplify it show workpls

Mathematics
2 answers:
pickupchik [31]3 years ago
6 0

Answer:

21a-8

Step-by-step explanation:

MrMuchimi3 years ago
3 0

Answer:

21a - 8

Step-by-step explanation:

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3x + 5y = 27
shusha [124]

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Step-by-step explanation:

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3 years ago
Please I need someone to help my assignment​
Nadusha1986 [10]
(x-4)² + (x-2)² = x²

(x² - 8x + 16 ) + (x² - 4x + 4) = x

2x² -12x + 20 = x

2x²-12x + 20 - x = 0

2x² - 13x + 20 = 0

(2x-5) (x-4) = 0

2x-5 = 0

2x = 5

x = ⁵/₂


x-4 = 0

x = 4



so x₁ = ⁵/₂ , and x₂ = 4
4 0
2 years ago
How to you solve 7 7/10- 3 4/5
Vera_Pavlovna [14]
Make them both improper fractions.
77/10 - 19/5

Give them common denominators (multiply the second fraction by 2)
77/10 - 38/10

Subtract 
39/10 = 3 9/10
8 0
3 years ago
Read 2 more answers
Please help! I really don't understand!
Varvara68 [4.7K]
A. yes this is a statistical question. it is a statistical question because you can answer the question by collecting data.


b. some clusters are.. 3,4,5, and 6 they are clusters because they are assembled around a particular value. the peak is 6 because it is the highest number it reaches. there are no gaps in this table.



c. to calculate the average with a graph you sum the numbers then divide by the total number of values in the set. for this table you add 1+2+3+3+4+4+4+5+5+5+5+5+5 then you divide by 15.

1+2+3+3+4+4+4+5+5+5+5+5+5=51

51 ÷ 15= 3.4



3 0
3 years ago
Does there appear to be a proportional relationship between the radius and circumference of a circle? Explain or show your reaso
elena-14-01-66 [18.8K]

Answer:

thx

Step-by-step explanation:

3 0
3 years ago
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