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Maru [420]
3 years ago
5

Please help I asked this question earlier and nobody answered! :(​

Mathematics
1 answer:
tatiyna3 years ago
8 0

Answer:

B

Step-by-step explanation:

One way to tell is to put both equations into slope-intercept form.  That form is usually written y=mx+b where  <em>m</em>  is the slope and  <em>b</em>  is the y-intercept.

Solve the first equation for y.

6x+2y=5 \\ 2y=-6x+5 \\ y=-3x+5/2

The slope of this line is -3, and its y-intercept is 5/2.

Solve the second equation for y.

y+3x=2\\y=-3x+2

The slope of this line is -3 and its y-intercept is 2.

The lines are parallel because they have the same slope and <u>different</u> y-intercepts.  There is no solution to the system.

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Find the circumference of the circle to the nearest hundredth. Use 3.14 for π. Radius 21 cm.
Ierofanga [76]

Answer:

131.95 cm

Step-by-step explanation:

C=2 \pi r

C=2 \pi \times 21

C=42\pi

C \approx 131.946891451

3 0
3 years ago
How to solve -2(t-4)=10-2t
koban [17]
This is how to solve this problem :)

3 0
3 years ago
Read 2 more answers
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
weeeeeb [17]

Answer:

yes. 7 times 4.3 is equal to 30 and the first equations symbol is less then or equal to. good luck and hope this helps!

Step-by-step explanation:

7 0
3 years ago
Solve the system of equations using the substitution method.
leva [86]

Answer:

The answer to your question is 1.- (37/2, -9/2)   2.-   g = 4  and h = 2

Step-by-step explanation:

Data

Equation 1     2x + 8y = 1

Equation 2       x = -3y + 5

Process

1.- Substitute equation 2 in equation 1

                    2(-3y + 5) + 8y = 1

Expand

                    -6y + 10 + 8y = 1

Solve for y

                     8y - 6y = 1 - 10

                             2y = -9

                               y = -9/2

2.- Substitute y in equation 2 to find x

                         x = -3(-9/2) + 5

Simplify

                         x = 27/2 + 5

                         x = 27/2 + 10/2

                         x = 37/2

Solution (37/2, -9/2)

2.-      

Equation 1      6g + 8h = 40

Equation 2     -6g + 2h = -20

Process

1.- Add both equations

Result

                       0   +  10h = 20

Solve for h

                                  h = 20/10

                                  h = 2

2.- Substitute h in Equation 1 to find g

                        6g + 8(2) = 40

Simplification

                       6g + 16 = 40

Solve for g

                               6g = 40 - 16

                               6g = 24

                                 g = 24/6

                                 g = 4

Solution   g = 4  and h = 2                

4 0
3 years ago
Read 2 more answers
You deposited $4500 dollars in a savings account that earns a simple interest rate. What interest rate do you need to be paid, i
irina [24]
5445 = 4500 i * 7
5445 = 31500i
i = 5445/31,500
i = 0.1729

i = 17.29%

7 0
3 years ago
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