A=18cm2 thats in the in side of the rectangle.the out side says 6cm and it says what is the base

Mathematics

2 answers:

Fed [463]2 years ago

4 0

The base is easy to solve for. To solve for it divide 18 by 6 to get the other side length. Other length=3

frez [133]2 years ago

3 0

Okay so a rectangle has 4 sides, and they have 2 equal sides. So the outside is 6cm, so another side must be 6cm. 18-12=4, and 4 divided by 2 is 2. So the base is 2. You can check this by adding all the sides together, and this should equal 18. So 6+6+2+2=18

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After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies

ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes be 'x'.

Let the number of nickels be ' $\dfrac{3}{2}x$ '.

Let the number of pennies be $\dfrac{3}{2}\times 2x=3x$

Let the number of quarters be '3x-34'.

As we know that

1 quarter = $0.25

1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

$0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14$