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Karo-lina-s [1.5K]

3 years ago

9

Students hike 16,900 feet one morning and 14,850 feet in the afternoon. Estimate the total number of miles they hiked that day.

Explain.

2 answers:

RideAnS [48]3 years ago

5 0

16900+14850 its easier if you line them up vertically but your answer is 31750

Alex Ar [27]3 years ago

5 0

32,000,because if you add both numbers you get 31,750, so you round it to the nearest thousand.

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If sin(theta) =4/5 and is in quadrant 2, the value of cot(theta

iren [92.7K]

$\sin\theta= \frac{4}{5} 
\\
\\\sin^2\theta+\cos^2\theta=1
\\ \cos\theta=\pm \sqrt{1-\sin^2\theta} =\pm \sqrt{1-( \frac{4}{5})^2 } =\pm \sqrt{1- \frac{16}{25} } =\pm \sqrt{\frac{9}{25} }=\pm \frac{3}{5}}$

$\theta \in II \Rightarrow \cos\theta\ \textless \ 0 \Rightarrow \cos\theta=-\frac{3}{5}$

$\cot\theta= \frac{\cos\theta}{\sin\theta}= \frac{-\frac{3}{5}}{\frac{4}{5}} =- \frac{3}{4}$

5 0

3 years ago

Please help, i'm horrible @ math :)

Blizzard [7]

The answer would be -4 1/10

5 0

3 years ago

Read 2 more answers

The sum of three consecutive numbers is 57. What is the largest of these numbers?

lord [1]

X+x+1+x+2=57
3x+3=57
3x=54
x= 54/3
x= 18

x+1= 19
x+2= 20

Therefore 20 is the largest

8 0

3 years ago

Read 2 more answers

Two different numbers can be written in the form 2^n. The sum of the numbers is 40. What is the difference of the numbers?

Greeley [361]

Answer:

24

Step-by-step explanation:

If you use 2^5 = 32 and 2^3 = 8.

32 + 8 = 40

32 - 8 = 24 <--- Your difference

6 0

3 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

gogolik [260]

Answer:

7. 21 times more

8 1/9

Step-by-step explanation:

7. 2 pants, 5 tops , 3 gloves, 7 masks

2*5*3*7 =210 outfits

10 * what = 210

10 *21 = 210

21 times more

8. There are 36 possible outcomes

11 121 131 14 15 16

21 22 23 24 25 26

31 31 33 34 35 <em>36 </em>

41 42 43 44 <em>45</em> 46

51 52 53 <em>54</em> 55 56

61 62 <em>63</em> 64 65 66

There are 36 possibilities and 4 have a sum of 9

P (sum of 9) = outcomes with sum of 9/total

4/36 = 1/9

6 0

3 years ago