2 years ago

Shelly is 3 years older than Michelle. 4 years ago the sum of their ages was 67. find the age of each person now

1 answer:

3 0

If Shelly is 3 years older than Michael and There 67. Michael is 64 and Shelly is 67. Or Michael is 67 and Shelly is 70.

Hope I helped. Have a wonderful day

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One side of a triangle is 3 times the second side. The third side is 17 feet longer than the second side. The perimeter of a

Nadya [2.5K]

Answer:

Step-by-step explanation:

lets have one side =a

P=3a+a+(17+a)=52

P=5a+17=52

5a=52-17

5a=35

a=7

second side=21

third side=24

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3 years ago

What is the result of the first step when simplifying 13-4(x-5)

Maksim231197 [3]

I don't really get this question but simply put, if you are in college syntax matters very much. (13-4) = 9 *(x-5) = 9x-45.. although in this case. since there isn't a bracket around 13-4. you'd multiply by the -4 first, giving you, 4x-20+30 =4x-10

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3 years ago

Help please and thank you

stiks02 [169]

First, we can see that there are four sides, and none of these equation contradict each other, so it is safe to say that this is a quadrilateral.

Second, all of the equations have the slope of 0 or undefined, so it is a rectangle.

Lastly, the four points of intersection shows us that the side lengths are 3 and 5 units, so the area of it is 15 units².