Hi I am not good at math so I need help please

Mathematics

1 answer:

andre [41]4 years ago

4 0

Answer:

1) 3:2

2) 2:1 cm

3) 1:4 meters

4) 3:2

5) 2:1:3

Step-by-step explanation:

1) 18:12 reduce --> 3:2

2) 30 - 20 = 10 ---> so 20:10= 2:1

3) 6x4= 24 so --> 6:26 reduce 1:4

4) 25-15= 10 so 15 red to 10 blue reduce ---> 3:2

5) 20 yellow 10 blue 30 red reduce---> 2:1:3

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IRISSAK [1]

Answer:

1. 6n - 15

2. x + 10

3. -4d + 15

4. true, associative property

5. distributive, commutative

Step-by-step explanation:

1. distribute 3/4 into the parentheses, so multiply 3/4 * 8 and 3/4 * -20

2. distribute the 2 into the parentheses so multiply 2 * 3x and 2 * 5, then combine like terms

3. distribute -3 into the parentheses so -3 * 4D and -3 * -5 then add like terms

4. add like terms on both sides of the equal sign and you get 10x on both sides. this is the associative property because it doesn't matter what's inside or outside the parentheses you get the same answer no matter how you add them up

5. the first part is distributive because you distributed the three into the parentheses and the second part is commutative because you switch them around and you can get the same answer

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3 years ago

How do I Reduce!!! 2/8

iren [92.7K]

You would divide 2 by 2 and 8 by 2 So your answer would be 1/4

7 0

3 years ago

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The measure of the exterior angle at one base angle of an isosceles triangle is 125 degrees. what is the measure of the vertex a

Yanka [14]

Attached the solution and work. I think this is what you asked for.