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Anna35 [415]
3 years ago
13

A carpet manufacturer has received a special order from a contractor for precision-cut carpet. The carpet is rectangular, and th

e dimensions must be exactly 2003-04-04-00-00_files/i0170000.jpg yards wide by 2003-04-04-00-00_files/i0170001.jpg yards long. To know what the price of the carpet is, the salesman must know the total area of the carpet to be prepared for the contractor. What is the area of the carpet? (Recall that the area of a rectangle is the width multiplied by the length).

Mathematics
1 answer:
Jet001 [13]3 years ago
6 0
The complete question in the attached figure

we know that
area of rectangle=width*length
width=4+ \sqrt{7}  yd
length=5+ \sqrt{7}  yd
A=(4+ \sqrt{7})*(5+ \sqrt{7})---\ \textgreater \  (20+4 \sqrt{7}+5 \sqrt{7} +7)
A=(27+9 \sqrt{7}) yd²



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15. Find the force on an electron crossing a uniform magnetic field of intensity 0.5 T WILII
EleoNora [17]

Answer:

F = 8.48 x 10^{-18} N

Step-by-step explanation:

The force on an electron in a magnetic field can be determined by;

F = qvB Sin θ

where: e is the electron, v is its velocity, B is the measure of the magnetic field, and θ is the angle of its path.

Thus,

q = -1.6 x 10^{-19} C

v = 106 m/s

B = 0.5 T

θ = 90^{o}

So that,

F = 1.6 x 10^{-19} x 106 x 0.5

  = 8.48 x 10^{-18} N

The force on the electron crossing the uniform magnetic field is 8.48 x 10^{-18} N.

8 0
3 years ago
How much pure water must be mixed with 10 liters of a 25% acid solution to reduce it to a 10% acid solution?
Alex73 [517]
The solution is 25% acid, which means 2.5 liters acid (10 x .25). 
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3 0
3 years ago
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Reflexive property of equality 3x-1 = __ ? geometry help? use indicated property to complete each statement help
AnnZ [28]
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Help me on this math problem
Anon25 [30]

Answer:

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4 0
3 years ago
HELP! 7th grade math! GIVE CORRECT ANSWER AND YOU WILL GET BRAINLIEST!!
Ksenya-84 [330]

Answer:

ED = 4 units

Step-by-step explanation:

Observing the figure given to us, we can deduce the following:

=>CE = EA (because point E is the midpoint of CA)

Therefore, if CE = EA = x unit, CA = 2x

=>Also, CD = DB (because point D is the midpoint of CB)

Therefore, if CD = DB = y, CB = 2y

Thus, CA/CE = CB/CD = 2 (2x/x = 2y/y)

Going by the above ration we got comparing the ratio of the corresponding sides of ∆CAB and ∆CED (2:1), we can conclude that ∆CAB ~ ∆CED

Using the ratio of the corresponding sides of ∆CAB to ∆CED = (2:1), measure of segment ED is calculated below:

AB/ED = 2/1

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Cross multiply

8 × 1 = 2 × ED

Divide both sides by 2

8/2 = ED

ED = 4 units

3 0
3 years ago
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