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artcher [175]
3 years ago
14

solve the system of linear equations by elimination, the equations are 2x-6=4y and 7y= -3x+9. What is the solution

Mathematics
1 answer:
tatiyna3 years ago
3 0
This should be the answer. You can plug in 0 for y to any of the equation to find the x.

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(a + b)(a ² - ab + b ²)
erastova [34]
Hi there!

You can use distributive property to solve this equation.

These are the list of terms you have to multiply :
a × a² = a³
a × -ab = -a²b
a × b² = ab²
b × a² = a²b
b × -ab = -ab²
b × b² = b³

add all of those terms...
a³ - a²b + ab² +a²b -ab² + b³
simplify by adding like terms... (- a²b + a²b , ab² - ab²)

a³ + b³

Hope this helped!! :)
4 0
3 years ago
What is the product?
viva [34]

Answer:

its C

Step-by-step explanation:

I hope this helps :)

3 0
2 years ago
Miles is saving to buy a new car. He currently has $600 in his savings account. He plans on depositing $200 a month until he has
Marizza181 [45]

Answer:

7 months

Step-by-step explanation:

He plans on depositing $200 every month into the savings account that already has $600 in it.

We can represent the amount of money he will have after a certain number of months (x) as:

A = 600 + 200x

He needs to save $2000. Therefore, to find the months he needs to save, we need to find x when A is $2000:

2000 = 600 + 200x

200x = 2000 - 600

200x = 1400

x = 1400/200 = 7 months

He needs to save for 7 months.

7 0
3 years ago
HELP A GIRL OUT
3241004551 [841]
The numbers are 9 and 27.
8 0
3 years ago
What key features will all continuous exponential functions have?
Hoochie [10]

Answer:

  1. The graph passes through the point (0,1)
  2. The domain is all real numbers.
  3. The range is y>0.
  4. The graph is increasing.
  5. The graph is asymptotic to the x-axis as x approaches negative infinity.
  6. The graph increases without bound as x approaches positive infinity.
  7. The graph is continuous.
7 0
3 years ago
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