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Mathematics : asked on DestyHilBan1183
 15.12.2022

The distance from the ground to where the ladder is touching the wall is 7 feet. The distance from the wall to the base of the ladder is 4 feet. What is
the length of the ladder?
wall
ladder

. 1

Step-by-step answer

24.06.2023, solved by verified expert
.
Ranjana Bhatt
p PhD
Chemistry, Q&A Expert
29 280 answers
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L=8.062 feet

Step-by-step explanation:

wall=7

distance=4

Pythagorean theorem

7^2+4^2=L^2

49+16=L^2

65=L^2

L=8.062 feet

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Mathematics
The distance from the ground to where the ladder is touching the wall is 7 feet. The distance from the wall to the base of the ladder is 4 feet. What is the length of the ladder? wall ladder
Step-by-step answer
P Answered by PhD

L=8.062 feet

Step-by-step explanation:

wall=7

distance=4

Pythagorean theorem

7^2+4^2=L^2

49+16=L^2

65=L^2

L=8.062 feet

Mathematics
You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown
Step-by-step answer
P Answered by PhD
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
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A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?
Step-by-step answer
P Answered by PhD

The total nom of  code that can be used is equal to 5+3 = 8

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An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
The value of a collectible coin can be represented by the equation y = 2 x + 15, where x represents its age in years and y represents its total value in dollars. What is the value of the coin after 19 years? $2 $23 $38 $53
Step-by-step answer
P Answered by PhD

y=2x+15

where y=Value of coin

x=Age in years

Value of coin after 19 years=2*19+15

=$53

Therefore, Value after 19 years=$53

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Use the X method to find the solutions of6x2 + 2x – 20 = 0.
Step-by-step answer
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The answer is in the image 

The answer is in the image 

Mathematics
A 4300-N force from a car s engines produces an acceleration of 3.3 m/s2. What is the mass of the car? A. 4300 kg B. 1300 kg C. 14,000 kg D. 390 kg
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

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the surface area of a box is 232 square inches. the box is 4 inches wide and 8 inches long. what is the hight?
Step-by-step answer
P Answered by PhD

The solution is given in the image below

The solution is given in the image below
Mathematics
Thomas got a haircut from the barber. If the haircut costs $32 and he wants to leave a 18% tip, how much will he pay in total?
Step-by-step answer
P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

=$5.76

Total payment=32+5.76=$37.76

Mathematics
If a european swallow flies 15 meters every 1 second how many would kilometers would it fly in 15 minutes
Step-by-step answer
P Answered by PhD

Speed=Distance/time

Here,

distance=15m

time=1sec

speed=15/1=15m/sec

Distance=Speed*time

time=15min=15*60sec=900sec

Distance travelled in 15 min=15*900=13,500m

=13500/1000 km=13.5Km

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