Hello. What are the vertices, foci, endpoints of the conjugate axis, and the equation of the asymptote of 7x^2-9y^2-14x+72y-200=0?

Answers

Answer 1

Answer:

Answer: is ( 1,4 )

Step-by-step explanation:

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Kelly is saving her money to buy a car. She has $250, and she plans to save $75 per week from her job as waitress.a. Model the situation using an arithmetic sequence.b. How much will kelly have saved after 8 weeks?c. If the car costs $2000, how long will it take her to save enough money at this rate?Please someone help me.
Evaluate each expression for a = -4, b = 3, and c = 2.3a-1

Expand and simplify
4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)

Answers

$4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)\n-----------------------\nuse\ distributive\ property:a(b-c)=ab+ac\n-----------------------\n=4a^2b^2-4a^2c+2a^2b^2-2abc-a^2c-2abc\n=(4a^2b^2+2a^2b^2)+(-4a^2c-a^2c)+(-2abc-2abc)\n\n=\boxed{6a^2b^2-5a^2c-4abc}$

4a²(b² - c) + 2ab(ab - c) - ac(a + 2b)
4a²(b²) - 4a²(c) + 2ab(ab) - 2ab(c) - ac(a) - ac(2b)
4a²b² - 4a²c + 2a²b² - 2abc - a²c - 2abc
4a²b² + 2a²b² - 4a²c - a²c - 2abc - 2abc
6a²b² - 5a²c - 4abc

Jaleel and Lisa are simplifying the expression 2(x - 2)^2. Jaleel’s method: 2(x - 2)^2 = 2x - 4 Lisa’s method: 2(x - 2)^2 = 2x. Whose method is correct and why? a) Lisa’s method is correct because 2(x - 2) equals 2x - 2. b) Lisa’s method is correct because 2(x - 2) equals 2x. c) Jaleel is correct because 2(x - 2) equals 2x - 2. d) Jaleel is correct because 2(x - 2) equals 2x - 4.

Answers

Answer:

The correct method is **c) Jaleel is correct because 2(x - 2) equals 2x - 2.**

Here's why:

Jaleel's method correctly expands the expression 2(x - 2)^2. When you square (x - 2), you get (x - 2)(x - 2), which simplifies to x^2 - 4x + 4. Then, multiplying this by 2 gives you 2(x^2 - 4x + 4), which simplifies further to 2x^2 - 8x + 8.

Lisa's method, on the other hand, incorrectly simplifies it as 2x. This is not the correct expansion of 2(x - 2)^2, as it neglects the square of (x - 2) and simplifies it incorrectly.

So, Jaleel's method is the correct one.

Which situation shows a constant rate of change?A. The outside temperature compared with the time of day

B. The cost of a bunch of grapes compared with its weight

C. The height of a bird over time

D. The number of tickets sold compared with the number of minutes before a football game

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The answer is most likely B. :)

Determine the value of A1 withreason/s

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Answer:A1 = a If A1 represents a variable in an equation, we need the equation and any additional information to solve for its value. Once we have the equation and any given values, we can substitute those values into the equation and solve for A1. Without more context or information, it is not possible to determine the value of A1. If you can provide the equation or any additional details, I will be able to help you further in determining the value of A1.

Step-by-step explanation:

Show how to solve 378*6 using place value with regrouping. Explain how you knew when to regroup.

Answers

To regroup 378 x 6, you must first establish the place values of each digit. 3 has a place value of 300, because it is in the hundreds column; 7 has a place value of 70 because it is in the tens column; 8 has a place value of 8 because it is in the units column. This means you can regroup 378 x 6 as (300 x 6) + (70 x 6) + (8 x 6). This makes 2,268.

Stuck on this ixl, help me!

Answers

Answer:

-1

Step-by-step explanation:

in negative numbers, it goes the opposite of positive numbers

The correct answer is -1.

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