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wolverine [178]
2 years ago
15

A factor tree for 61 that is not nothing

Mathematics
1 answer:
ddd [48]2 years ago
5 0
False because the factor tree for 61 is 1 and 61

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To measure the height of a tree, a surveyor walked a short distance from the tree and found the angle of elevation was 43.9°, th
padilas [110]

Answer:

The height of the tree is H = 77.06 m

Step-by-step explanation:

From Δ ABC

AB = height of the tree

\tan 43.9 = \frac{AB}{BC}

\tan 43.9 = \frac{h}{x}

h = 0.9623 x ------- (1)

From Δ ABD

\tan 37.6 = \frac{h}{20+ x}

h = 0.77 (x + 20) ----- (2)

Equating Equation  1 & 2 we get

0.9623 x =  0.77 (x + 20)

0.9623 x = 0.77 x + 15.4

x (0.1923) = 15.4

x = 80.08 m

Thus the height of the tree is given by

H = 0.9623 x

H = 0.9623 × 80.08

H = 77.06 m

Therefore the height of the tree is H = 77.06 m

4 0
3 years ago
Ming plays video games online.
Vlad1618 [11]
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7 0
3 years ago
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Help it’s very urgent please !!!!
marin [14]
The answer is seven (7)

Explanation:

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Add those together.

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5 0
3 years ago
Read 2 more answers
100,000 less then560,000+313.00
Ymorist [56]
560,000+313 = 560,313

560,313-100,000= 460,313

answer is 460,313
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Mario has saved $273. Approximately how much money has Mario saved? Round to the nearest ten.
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The answer is $270 because the 3 in $270 is not 5 or above so you just round it to $270
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2 years ago
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