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marshall27 [118]
3 years ago
10

I put a ladder 1.5m away from a tree. the ladder is inclined at 70 degrees about the horizontal. What is the height of the tree?

​
Mathematics
1 answer:
lyudmila [28]3 years ago
8 0

Answer:

4.121216129m

Step-by-step explanation:

use sohcahtoa

tan(70) x 1.5m = 4.121216129m

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Answer:

Part B: 8 and 2 (more answers ofc)

Part C: Two more dots on 6 (more than one answer tho)

Step-by-step explanation:

<em>Part B:</em>

The added number of dots is 39 at the beginning and the mean is 3.9. (39/10). Since we have to add 2 dots the equation will be (<em>39 + ? + ?) / 12 = Less than 3.9</em>. We also need the range to increase. This means that one of the blanks must be larger than 7 (the largest dot on the dot plot!) I just went with 8 to keep the mean as small as possible. This leaves 1 more blank to figure out. There are multiple answers to this problem but I went with 2 just because then the mean would be 3.5 a better answer than something like 3.58333333333.

<em>Part C:</em>

If you think about it all the dots added up should be 6x12 = 72. Currently all the dots add up to 60. 72-60 is 12. This means that 12 is equal to 2 dots. I guess you could also do 5 and 7, 8 and 4, etc.

G'day

-birb

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2 years ago
Which graph shows the solution to the inequality -3x-7 &lt;20?​
ki77a [65]

Answer:

x > -9

Step-by-step explanation:

The solution to the inequality is obtained as follows:

-3x -7 < 20

-3x - 7 + 7 < 20 + 7

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-3x/(-3) > 27/(-3)

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Notice that when you divide by a negative number, the inequality sign changes.

In the picture attached, the graph of the solution s shown. Notice that -9 is not included in the solution.

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dedylja [7]

Answer:

  • C = 3n + 20

Step-by-step explanation:

There is one large case with 20 cars and 3 small cases with n cars in each.

<u>Possible number of cars C is:</u>

  • C = 3n + 20
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3) Jaidee invests $1,966 in a savings account with a fixed annual interest rate of 2.45% compounded continuously. What will the
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Answer:

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Step-by-step explanation:

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