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shepuryov [24]
2 years ago
13

A 30-foot-long support wire for a 16-foot high streetlight runs from the top corner of a building to a point on the ground, form

ing a straight line. The length of the wire from the top of the building to the top of the street light is 6 feet. How tall is the building? ​
Mathematics
1 answer:
Elza [17]2 years ago
6 0
A 30-foot-long support wire for a 16-foot high streetlight runs from the top corner of a building to a point on the ground, forming a straight line. The length of the wire from the top of the building to the top of the street light is 6 feet. How tall is the building?


I think the answer is 20 ft
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Find the number of kilowatt-hours of energy used when a 110-watt light bulb burns for 215 hours.
fenix001 [56]
We determine the kilowatt-hour by multiplying the energy in kilowatt and the time in hours. We do as follows:

kWh = 110 W ( 1 kW / 1000 W ) (215 hrs )
kWh = 23.65 kWh

Hope this answers the question. Have a nice day.
5 0
2 years ago
An amusement park charges admission plus a fee for each ride. Admission plus 2 rides costs $10. Admission plus five rides costs
LenaWriter [7]

Answer:

The charge for admission is $6 and the charge for each ride is $2

Step-by-step explanation:

Let

x ----> the charge for admission

y ----> the charge for each ride

we have that

x+2y=10 -----> equation A

x+5y=16 -----> equation B

Solve the system by elimination

Subtract equation B from equation A

x+2y=10\\-(x+5y)=-16\\---------\\2y-5y=10-16\\-3y=-6\\y=2

Find the value of x

substitute the value of y in any equation

x+2(2)=10

x+4=10

x=10-4

x=6

therefore

The charge for admission is $6 and the charge for each ride is $2

8 0
2 years ago
Divide. Express your answer as a mixed number in simplest form. Enter your answer in the box.​
balandron [24]

Answer:

63/4

Step-by-step explanation:

First convert mixed fraction into a fraction=21/4 (5x4+1)

Fractions can not be solved with division sign so turn it in a multiplication sign through reciprocal.

21/4 x 3/1

63/4

 

8 0
2 years ago
Roy purchased different cardboard pieces that had the same ratio of the length to the width. The table below shows the length an
Elza [17]
There is no picture to show me the graph. I am sorry
8 0
2 years ago
Read 2 more answers
Can some help me please​
d1i1m1o1n [39]

Answer:b

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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