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Rus_ich [418]
3 years ago
11

Which one is farther right on the number line -1.75 or -3.25

Mathematics
1 answer:
Neko [114]3 years ago
3 0
-1.75, negative numbers go on the left of the negative sign going up (down) and since -1.75 is actually a greater number our answer is -1.75
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A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
aliya0001 [1]

Answer:

5507.79 feet

Step-by-step explanation:

To find the height of the mountain, we can draw triangles as in the image attached.

Let's call the height of the mountain 'h', and the distance from the first point (31 degrees) to the mountain 'x'.

Then, we can use the tangent relation of the angles:

tan(34) = h/x

tan(31) = h/(x+1000)

tan(31) is equal to 0.6009, and tan(34) is equal to 0.6745, so:

h/x = 0.6745 -> x = h/0.6745

using this value of x in the second equation:

h/(x+1000) = 0.6009

h/(h/0.6745 + 1000) = 0.6009

h = 0.6009 * (h/0.6745 + 1000)

h = 0.8909*h + 600.9

0.1091h = 600.9

h = 600.9 / 0.1091 = 5507.79 feet

8 0
3 years ago
I have no idea how to complete this question 3.
Lady bird [3.3K]

Answer:

44x+49 is a factor of 44x+49

Step-by-step explanation:

4 x 4 = 16x

16x + 28x = 44x

a variable cannot be added with a number without a variable

so 44x + 49 is the answer

7 0
3 years ago
The product of a number and 5 is atleast 45<br> write an equation for that
shtirl [24]

product means multiply, at least means greater than or equal to

The product of a number and 5 is at least 45:  5n ≥ 45

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Answer: 5n ≥ 45

7 0
3 years ago
Read 2 more answers
Find two positive nontrivial solutions of x^2-Ny^2=1 when N is 15, 7, or 99
Pavel [41]

Hello,


if n=15: (4,1),(31,8),(244,63)


if n=7: (8,3),(127,48),(2024,765)


if n=99: (10,1),(199,20),(3970,399)


(Pell 's equation)


Download xls
8 0
3 years ago
Read 2 more answers
12
Serjik [45]

Answer:

6.70m/s

Step-by-step explanation:

Speed = distance/time

Given the winner covered a distance of 26m in time of 3.88 seconds

Therefore

Speed = 26/3.88

= 6.70m/s

7 0
3 years ago
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