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MrRa [10]
3 years ago
9

You are 5 feet tall and cast an 8-foot shadow. A lamppost nearby casts a shadow that is 20 feet. Which equation can you use to s

olve for the height (ℎ) of the lamppost?
Mathematics
1 answer:
ycow [4]3 years ago
3 0
The lamp is 12.5 feet
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Herman is traveling 125 miles from his house to the beach by car. Herman plans to stop for lunch when the ratio of the distance
aliya0001 [1]

Answer:

250 miles

Step-by-step explanation:

The given distance between the house and the beach is 125 miles.

Let x miles be the distance between the house and the lunch stop.

So, at the time of the lunch stop, he already traveled x miles, the remaining distance is the distance between the lunch stop and the beach.

Let y miles be the remaining distance, so

y=125-x.

Give that the ratio of the distance he has traveled, x, to the distance he still has to travel, y, is 2:3,i.e

x:y=2:3

\Rightarrow \frac x y =\frac 2 3

\Rightarrow \frac {x}{125-x}=\frac 2 3

\Rightarrow 3\times x=2\times(125-x)

\Rightarrow 3\times x=2\times125-2\timesx

\Rightarrow 3 x=250-2x

\Rightarrow 3x-2x=250

\Rightarrow x=250

Hence, the distance traveled by Herman when he stops for lunch is 250 miles.

4 0
3 years ago
Write these as normal numbers.
netineya [11]

Answer:

Step-by-step explanation:

5.1 × 108 = 550.8

9.6 × 10^0

10^0 = 1

9.6 × 1 = 9.4

2.44 × 10 = 24.4

5.023 × 1010 = 5073.23

4 0
3 years ago
Can someone actually help me w this ?
Kay [80]

Answer:

the first 1

Step-by-step explanation:

8 0
3 years ago
N a group of 25 Kingswood students: 8 are on the cross-country running team, 13 are on the math league team, and 6 are on both t
Contact [7]

Answer:

10 Kingswood students are not on a team

Step-by-step explanation:

8-6 is 2 so 13 +2 is 15 so 15 are on a team, 20-15 is <em>10</em><em>.</em>

5 0
4 years ago
Please help I will make the brainiest!!! Its number 2
VARVARA [1.3K]

Answer:

4, 12, 8, 10

Step-by-step explanation:

Ratio:

Hydrogen : Oxygen

2:1

1) 8/2 = 4 Oxygen atoms

2) 6*2 = 12 Hydrogen atoms

3) 16/2 = 8 Oxygen atoms

4) 20/2 = 10 Oxygen atoms

3 0
3 years ago
Read 2 more answers
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