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Alexus [3.1K]
3 years ago
15

What is the lowest common multiple of 28 and 72

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0

Answer:

504

Step-by-step explanation:

28, 72 | 2

14, 36 | 2

7, 18 | 2

7, 9 | 3

7, 3 | 3

7, 1 | 7

1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 . 7 = 504

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-3 + 12x help plzzzzz
Ivahew [28]

Answer: X=1/4 or X=0.25

Step-by-step explanation:

-3+12x

Bring the 3 to the other side to isolate x

12x=3

Divide both sides by 12

x=0.25

8 0
3 years ago
The scale on the architectural plans for a new house is 1 in. equals 4 ft. Find the length and width (in ft) of a room that meas
Kobotan [32]

Answer:

length:24 ft and Width:36 ft

Step-by-step explanation:

multiply 4 and 6 to get the length then multiply 4 and 9 to get the width

5 0
3 years ago
The given series has six terms. What is the sum of the terms of the series? 10 + 20 + 30 + . . . + 60
Eduardwww [97]
10 + 20 + 30 + 40 + 50 + 60 = 210
5 0
4 years ago
What is 57.8 divided by 81
marusya05 [52]
 57.8/81=0.7135802469135802
8 0
3 years ago
from the top of a 120-foot high tower an air traffic controller observes an airplane on the runway at an angle of depression of
Crazy boy [7]
Data:
h (<span>Tower height) = 120 ft
d (</span><span>Distance from the base of the tower to the airplane) = ?
</span>\alpha (<span>Angle formed from observation of the tower to the airplane)=19º

Data: tg 19º </span>≈ 0.34
<span>
Note: </span><span>The angle formed is tangent to the height of the tower and the distance from the base of the tower to the airplane.

</span><span>Formula:
</span>tg \alpha =  \frac{opposite\:leg}{adjacent\:leg}
<span>
Solving:
</span>tg \alpha = \frac{opposite\:leg}{adjacent\:leg}
tg 19^0 = \frac{h}{d}
tg 19^0 = \frac{120}{d}
0.34 =  \frac{120}{d}
0.34*d = 120
0.34d = 120
d =  \frac{120}{0.34}
\boxed{\boed{d \approx 352.9\:ft}}\end{array}}\qquad\quad\checkmark

Answer:
<span>Distance from the base of the tower to the airplane is aproximately  352.9 ft</span>

6 0
3 years ago
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