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Anika [276]
3 years ago
13

A tree cast a shadow 45 feet long. At the same time, the shadow cast by a vertical 3 feet stick is 5 feet long. Find the height

of the tree.
Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

43 feet

Step-by-step explanation:

The shadow cats by the stick was 5 feet long while the actual stick is only 3 feet long which means the shadow makes it bigger by 2 feet. Take 2 feet away from 45 feet you will get 43 feet.

I hope you understand if you dlnt I will explain it more. Hope it helped too!

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A rancher has 1000 feet of fencing in which to construct adjacent, equally sized rectangular pens. What dimensions should these
rosijanka [135]

Answer:

The dimensions that will maximize the enclosed area of the pen is 250 ft by 250 ft

Step-by-step explanation:

we have the perimeter as 1000

So the sum of the lengths will be

1000/2 = 500

The dimensions that will maximize these pens will be such that they will have equal values

Mathematically, that will be 500/2 = 250 by 250

5 0
3 years ago
Please help, I am so confused ( please list in the correct order as well)
andreyandreev [35.5K]

Answer:

( 5, 7),  ( 5, 7), Yes M is the center

Step-by-step explanation:

It could help you under stand this by drawing it out on paper.  I can't draw it here.  You just need to visualize a circle with points A and B on the outside portion of the circle.  Then there is point M inside the circle.  You are trying to figure out if M is in the center or not.

Look at the coordinates for all 3 and find the distance from A to M and then B to M.  Count the total distance of the x values and the y values keeping in mind that positive Y numbers are above the x axis and negatives are below.  And, negative numbers for X are to the left of the y axis and positive is to the right.

From A ( -1, -9) to M ( -6, -2).  Look at the x values.  You are going from -1 to -6 which is a total of 5 points.  Now look at y values.  You are going from -9 to -2 which is a total of 7 points.  So the distance in coordinates is ( 5, 7)

From B ( - 11, 5) to M ( -6, -2).  Again look at x values. You're going from -11 to -6 which is 5 points.  Looking at the y values, you are going from 5 to -2.  This is 5 above the x axis going down to a -2 which is below the x axis.  So the total is 7 points.  The distance of these two is also ( 5, 7 ) which is the same as the other distance.

Therefore, you can state correctly that M is the center of the circle.

7 0
3 years ago
Rory walks a combined 7/8 of a mile to school and back each day. How many miles does he walk each way?
vlabodo [156]
He walks to and back from school. 7/8 x 2
14/8 or 1 6/8 or 1 3/4 miles in all. 
8 0
3 years ago
Maybe brainliest if its right
ahrayia [7]

Answer:

2.5 cm

Step-by-step explanation:

5 Cm is the diameter and the radius is half the diameter so 5/2=2.5 or 1/2

4 0
3 years ago
Read 2 more answers
Factor completely. (HELP ASAP)
tamaranim1 [39]

-4k²(k+6)(k-1). The expression -4k^{4}-20k^{3}+24k^{2} can be factored by factor completely to the expression -4k²(k+6)(k-1).

To factor the polynomial by factor completely, we must to use the pattern as follows:

1. Greatest Common Factor

-4k^{4}-20k^{3}+24k^{2} factored into -4k^{2}(k^{2}+5k-6)  

2. Factor the trinomial

-4k^{2}(k+6)(k-1)

5 0
4 years ago
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