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Ber [7]
3 years ago
12

Dwayne is comparing two checking accounts one has a monthly fee of seven dollars and a per check fee of $.30 and the other has a

monthly fee of four dollars and a per check fee of $.40 what is The minimum number of checks Dwayne needs to write for the first bank to be a better option
Mathematics
1 answer:
Alexandra [31]3 years ago
6 0

Answer:31 checks

Step-by-step explanation:

The equation for the banks are

1: 7+.30x

2: 4+.40x

Once you put 31 as X then the first one is less.

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Graph ​ 24x+25=−6y+7 ​.
MrRa [10]

Okay, So you have 24x+25=6y+7

Step 1: Pull out like factors : 24x + 18 + 6y  =   6 • (4x + y + 3)

Step 2: 4x+y+3  = 0

y-intercept = -3/1  = -3.00000

 x-intercept = -3/4  = -0.75000

Slope     = -8.000/2.000 = -4.000

And bam, you have a straight line

5 0
4 years ago
How to get estimate 1920
nika2105 [10]

Really to answer this questions you just have to round all the numbers.

8 0
3 years ago
What is the solution to the system of equations ?
Fudgin [204]

Answer:

A solution to a system of equations means the point must work in both equations in the system. So, we test the point in both equations. It must be a solution for both to be a solution to the system. Hope this helps.

7 0
3 years ago
Read 2 more answers
Let f(x)=1/x+x, where is a nonzero number.what is the product of all the values of a, such that f(a)=f(2a)?
MAVERICK [17]

The product of all the values of a, such that f(a)=f(2a) is -1/2

<h3>Functions and expressions</h3>

Given the function below;

f(x)=1/x + x

f(a) = 1/a + a

f(2a) = 1/2a  + 2a

If f(a) = f(2a), hence;

1/a + a = 1/2a + 2a

Collect the like terms

1/a - 1/2a = 2a - a

2-1/2a = a

1/2a = a

Cross multiply

2a² = 1

a² = 1/2

a = ±√1/2

The values of a are √1/2 and -√1/2

Product = -√1/2 * √1/2

Product = -1/2

Hence the product of all the values of a, such that f(a)=f(2a) is -1/2

Learn more on functions here: brainly.com/question/25638609

#SPJ1

3 0
2 years ago
How far is the nearest hundredth of an inch does each corner of the burger stick out from a bun
nadya68 [22]

Bread:
                 Area = π R²
  
                16 in² = π R²

                R² = 16 in² / π

             The radius of the bun = √(16 in² / π)  =  2.257 inches

-- The meat :
               Area = side²

               16 in² = side²

               Side =  √16 in²  =  4 inches

               Diagonal of the square = 4 √2  =  5.657 inches

               1/2 of the burgerdiagonal = 2.828 inches .

If the meat is centered on the bun, then the corner of the burger
extends

           (2.828 - 2.257)  =  0.57 inch

rounded to the nearest hundredth inch.
4 0
4 years ago
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