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melomori [17]
3 years ago
7

Please help me out on some questions...12th grade math..Pleasee help anyone​

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0

If all the angles of the triangle must equal 180, then we have to subtract the 2 known values from 180.

180 - 68.5 - 49.5 = x

62 = x

So that means the missing side is equal to 62!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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A bean plant grows at a constant rate for a month. After 10 days, the plant is 25 centimeters tall. After 20 days, the plant is
wariber [46]
Y = 2x + 5

If you take the height at 10 days, 25 centimeters, after 10 more days the height is 45 centimeters, meaning for those 10 extra days the been plant grown 20 centimeters. Since we're told the plant is growing at a constant rate, this shows the bean plant is growing 2 centimeters per day. We can represent this with y = 2x. (After 10 days, the bean plant will be 20 centimeters, after 20 days, the bean plant will be 40 centimeters, etc.)

However, this is not completely true yet. As you can see, after the first 10 days the plant is not 20 centimeter, it's 25 centimeters. We already know the rate in which the plant is changing, but now we need to find the height that the plant was originally, before it started growing.

After the first 10 days, the plant is 25 centimeters tall. Since we know that the plant is growing 2 centimeters per day, we can subtract 20 from 25 to find the original height of the bean plant.

25 - 20 = 5
The bean plant was originally 5 centimeters.

This makes our final equation y = 2x + 5.
2x is the slope, and 5 is the y intercept.

Hope this helps1!
5 0
3 years ago
If the start time is 8:34 amd the elapsed timne is 3 hours and 18 minutes what is the end time
mr_godi [17]
Forget the '34' part of 8:34 and the '18' minutes from 3 hours and 18 minutes for now.

Just add 3 hours on to 8, to get 11. Then, bring back the 34 and 18 and add them together. 34 + 12 = 52. Now put that 52 on the end of the 11, and you get 11:52 as the end time. 
3 0
3 years ago
Read 2 more answers
Find 4 times 213 useing expanded form
notka56 [123]
4 x 213 = 4 x (200 + 10 + 3) = 852
8 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL GIVE BRAINALIST
RideAnS [48]

Answer:

They each paid $40

Step-by-step explanation:

please give brainliest

3 0
3 years ago
Helpppppp I’m marking brainliest
snow_tiger [21]

Answer:

So it's 1/6x2/3 which is 0.111111 in decimal since on there I can see you can't submit it in fractions! :D

Step-by-step explanation:

6 0
2 years ago
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