Solving two-step equations (4 questions)

Mathematics

1 answer:

irina1246 [14]2 years ago

8 0

2 is the correct answer

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If the simple interest on $5000 for 5 years is $1500 then what is the interest rate?

hjlf

15%?

Its 15 because it just is because I am big brain.

Its the thingy because 5 and 5 and another 5 plus 1500 = 15%

No idea how I came up with 15%

8 0

2 years ago

Read 2 more answers

Help me pls. Given the slope is 1/3, the y-intercept is 4, and a point of the graph is (3,5). Write the equations of the linear

enyata [817]

Y=1/3x+4? Is that what you need?

6 0

2 years ago

The perimeter of a playing card is 30 centimeters. The area is 50 square centimeters. What are the dimensions of the playing car

Arlecino [84]

Step-by-step explanation:

We get two equations here. One for the area and one for the perimeter. The area gives us x×y=50. The perimeter, if we have a rectangle, x+y+x+y=30=2x+2y. For this to work we need to make a simple expression for x or y. Let's go with x here. 2x+2y=30 so x=15-y. if we fill that in the other equation we get (15-y)×y=50 (see picture). y=5 or y=10. If we fill in x×5=50 we get x=10 and vice versa. So the dimensions are 5 centimeters by 10 centimeters