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andre [41]
3 years ago
10

My brother doesn’t know the answer

Mathematics
1 answer:
borishaifa [10]3 years ago
7 0

5-3=2

Step-by-step explanation:

you can put just about anything here just make sure its true

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At a certain time of day, a tree 15 m tall cast a shadow of 12 m, while a second tree cast a shadow of 20 m. How tall is the sec
lilavasa [31]

25 metres tall.

Explanation:

The heights of the trees are directly proportional to the length of their shadows because at the same time of day, the sun will be at the same angle in the sky.

The trees and their shadows form 2 similar triangles:
Write as a proportion:

<span><span>heightshadow</span> <span>x20</span>=<span>1512</span></span>

<span>12x=20×15</span>

<span>x=<span><span>20×15</span>12</span></span>

<span>x=25</span> metres tall.

As check: find the constant for each tree:

<span><span>1512</span>=1.25 and <span>2520</span>=<span>1.25</span></span>

<span><span>
</span></span>

<span><span>
</span></span>

<span><span>i hope this help</span></span>

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8 0
4 years ago
The volume of a right triangular prism is 72 cubic feet. The height of the prism is 9 feet. The triangular base is an isosceles
Alexxx [7]
What is the area of the triangular base?
8 square feet

What is the length of edge DF?
4 feet
3 0
4 years ago
Read 2 more answers
Two rays that have a common endpoint and form a line.
nlexa [21]

Step-by-step explanation:

Opposite rays is the answer....

6 0
3 years ago
What is the slope of the line that passes through points (1,7),(10,1)
astra-53 [7]
Answer:
slope = -2/3

Explanation:
Slope of line can be calculated using the following formula:
slope = \frac{y2-y1}{x2-x1}

We are given:
point (1,7) representing (x1,y1)
point (10,1) representing (x2,y2)

Substitute with the givens in the above formula to get the slope as follows:
slope = \frac{1-7}{10-1} = -2/3

Hope this helps :)
7 0
3 years ago
Read 2 more answers
Tolong bantu jawab yaa PAKAI CARAA
yanalaym [24]
B? <span>

1 2/3 </span><span>÷ 1 1/9 = 1.5
 
2.34 </span><span>÷ 0.6 = 3.9</span>
7 0
4 years ago
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