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alex41 [277]
3 years ago
10

How to determine if the triangles are similar .

Mathematics
1 answer:
lana [24]3 years ago
7 0
For 1 i would say the fact that all three sides are different makes them the same type of triangle. For 2 i would say the fact that all three sides are different and they are both right triangles. For 3 i would say the fact that they are both the same type of triangle (right triangle) that they are the same For 4 i would say the fact that they are both the same triangle.
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Six years after a tree was planted, its height was 7 feet. Nine years after it was planted, its height was 16 feet. Which of the
pychu [463]
Considering that the grows at a constant rate we can form an equation where x = how many years after it was planted
and y = its height

Now we just need to find how many feet it grows each year. To do that we just need to compare its height from a certain age to another:
6 years after it was planted : 7 feet,
so x=6 and y = 7

9 years after it was planted: 16 feet
so x= 9 y=16

With thay we can conclude that in 3 years , the tree grew 9 feet. To discover how much the tree grow each year we just nee to divide 9 feet by 3 years which is 3 feet every year.

To write the equatopn now we just need to find the y-intercept which we can discover by setting x to 0:
If in 6 years after the tree was planted it is 7 feet long , we can discover how long it was when it was planted by subtracting 6 years of growth (The slope ) which is 3
7 - 6(years)×3(feet the tree grow each year)
7 - 18 = -11
The tree was -11 feet long when it was planted
which is our y-intercept
( I know it doesnt make sense , but if you apply to a graph it will make more sense )


Now we can make the equation
y = 3x -11
7 0
3 years ago
What value of ‘W’ satisfies <br> 8(w+4)=38+7w<br> A. 8<br> B.6<br> C.11<br> D. 4.5
dlinn [17]
B. 6

Explanation: 8(6+4)= 80
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5 0
3 years ago
How do you solve for x using the problem above?
spin [16.1K]
First you have to subtract 35 on both sides, then you would have to divide by 90
6 0
3 years ago
Read 2 more answers
A rectangular
igor_vitrenko [27]
A = length x width

15,000 = (w + 30) x w
15,000 = w^{2} + 30w
0 = w^{2} + 30w - 15,000

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8 0
3 years ago
If 15 books cost $90, what is the unit price?
Radda [10]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
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