3 years ago

A lighthouse casts a 128-ft shadow. A nearby lamppost that measures 5

Mathematics

1 answer:

Yakvenalex [24]3 years ago

5 0

Answer:

80 ft

Step-by-step explanation:

Let the height of the light house be x feet.

$\therefore \: \frac{128}{8} = \frac{x}{5} \\ \\ x = \frac{128 \times 5}{8} \\ \\ x = \frac{640}{8} \\ \\ x = 80 \: feet$

You might be interested in

How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin or end with a 0 and the PIN must

Masteriza [31]

There would be 4500 combonations

4 0

3 years ago

Read 2 more answers

Plot the line 2x + 3y < 9

slamgirl [31]

Answer:

Step-by-step explanation:

2x+3y <9

-3y 3

2x<6

2 2 = x<3

6 0

3 years ago

Order the following decimals in ascending order:<br> 1.305, 1.35, 1.053, 1.53

PSYCHO15rus [73]

1.053, 1.305, 1.350, 1.53

7 0

1 year ago

A buyer purchases 20 percent of the 22000 widgets in a warehouse's inventory. The next day, another buyer purchases 10 percent o

DanielleElmas [232]

Answer:

15,840

Step-by-step explanation:

Multiplying 22,000 by 20% to get 4400, subtract.

Multiplying 17,600 by 10% to get 1,760, subtract.

Final answer, 15,840.

Good luck! Hope this helps!

6 0

2 years ago

Find the quanity 103% of 19

Basile [38]

Answer:

19.57

Step-by-step explanation:

100% of 19 is 19.

In order to find out what 1% of 19, move the decimal point two place to the left. 1% of 19= 0.19. To find 3% of 19, multiply .19 x 3. add 0.19 x 3 to 19, aka add 0.57 to 19 to get 19.57= 103% of 19

6 0

3 years ago

Read 2 more answers