Roberta has a balance of $4350 on a credit card with an APR of 30.2% paying off her balance in which of these lengths of time will result in her paying the least amount of interest?

Answer:

The solution of the given system of equation is (-4, 1)

Step-by-step explanation:

Given system of equation  5x− y = −21 and  x+y= −3

We have to find the solution of the given system of equation.

Consider the

Given system of equation

5x− y = −21  .......(1)

x + y = −3 .......(2)

Adding (1) and  (2) , we have,

⇒ 5x - y + (x + y ) = -21 + (-3 )

⇒ 5x - y + x + y = -21 - 3

⇒ 5x + x  = -24

⇒ 6x  = -24

⇒ x  = -4

Substitute x = -4 in (2) , we get,

x + y = −3 ⇒  (-4) + y = −3 ⇒ y = -3 + 4 ⇒ y = 1

Thus,  the solution of the given system of equation is (-4, 1)

The common binomial factor between the two groups after their GFCs factored out 2x + 5.

The correct option is (A)

What  is GCF?

The greatest commonfactor (GCF) of a set of numbers is the largest factor that all the numbers share.

Given: 2x³ - 5x² + 4x - 10, splits into (2x³ + 4x) + (-5x² - 10)

So, to find the GCF factorise each term

= (2x³ + 4x) + (-5x² - 10)

= 2*x*x*x+2*2*x-5*x*x-2*5

= 2x(x²+2)-5(x²+2)

= (2x-5) (x²+2)

Hence, the  common binomial factor between the two groups (2x-5).

Learn more about GCF here:

brainly.com/question/11444998

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Answer:

2 lbs. for $4.50

Step-by-step explanation:

Do a ratio

2 : 4.50

You want to see how much it cost per pound, so divide them by 2

2 ÷ 2 : 4.50 ÷ 2

1 : 2.25

So per pound, the hamburger will cost $ 2.25

________________________________________________________

3 : 6.90

You want to see how much it cost per pound, so all you need to do is divide them by 3

3 ÷ 3 : 6.90 ÷ 3

1 : 2.3

So for the first one, it cost 2.25 per pound, and for the second one, it cost 2.3 per pound....the one that is better will be 2.25 because it cost 5 cents less than the second one

Hope this helped!

Have a supercalifragilisticexpialidocious day!

Side lengths: RS=7 and ST=7, and angle=90 degrees

Why?

Since second coordinates of R and S are the same so we can just count the length by adding first coordinate of R and first coordinate of S= |-3|+4=7

Since first coordinates of R is the same as first coordinate of T so we can just count  the length  by adding second coordinates of S and T=5+|-2|=7

Angle: RST is =90 degrees because triangle RST is right angled  triangle. Why? Because RS is parallel to X axis(the same second coordinates of R and S) and ST is parallel to Y axis(the same coordinates of S and T) .

Company C is the correct answer!