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Andrews [41]
3 years ago
5

Complete square to solve 3x^2 + 12x – 9 = 0

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

Answer: I hope this answer your question

Step-by-step explanation: Have a brilliant day mate- Lily ^_^

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Juanita says that 3.5[4d - (2) (1.5)] and 2[7d - (5)(1.05)] are equivalent. Is Juanita correct? Explain your reasoning.
valkas [14]

Answer:

Yes

Step-by-step explanation:

3.5 [4d - 2*1.5] = 3.5*4d - 3.5*2*1.5

                        = 14d - 10.5

2*[7d - 5*1.05] = 2*7d - 2*5*1.05

                       = 14d -  10.5

When we are simplifying both the expression using distributive property, we get the same expression at the end.

8 0
3 years ago
Ebony's bank balance first reached $400 on Day 4. The last day her balance was $400 was Day 8. Look at the picture. Brainliest A
Dmitry_Shevchenko [17]

Answer:

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6 0
3 years ago
the gravitational attraction between two masses varies inversely as the square of the distance between them. if the attraction f
Marat540 [252]

Answer:

  33 1/3 lb

Step-by-step explanation:

When the distance between them goes from 8 ft to 12 ft, it is 1.5 times what it was. Then the force will be multiplied by the inverse of the square of this:

  (75 lb)×1/(1.5²) = 75/2.25 lb = 33 1/3 lb

At 12 feet apart, the attraction force is 33 1/3 pounds.

8 0
3 years ago
Which expression is an equivalent expression of 12x + 10 + 4y?
Klio2033 [76]
You basically multiply the number outside the parentheses by everything inside.
So 2 × 6x = 12x,
2 × 5 = 10,
2 × 2y = 4y.
So your answer is 2(6x + 5 + 2y). 


8 0
3 years ago
Read 2 more answers
A rectangle has a width of 33 units and a length of 56 units. What is the length of a diagonal
Savatey [412]

Answer:

d=65

Step-by-step explanation:

Length: 56

Width: 33

8 0
3 years ago
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