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Arada [10]
2 years ago
13

A scale drawing of a lake has a scale of 1 cm to 80 m. If the actual width of the lake is 1,000 m, what is the width of the lake

on the scale drawing? Explain or show your reasoning.
Mathematics
1 answer:
Vinil7 [7]2 years ago
8 0

Answer: 12.5

Step-by-step explanation:

the scale drawing is : 1cm..................80 m

if the width is              ?       ..................1000m

the width on the scale drawing it will be 1000/80=12.5

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Find an equation for the plane y=4x in cylindrical coordinates. (Type theta for θ in your answer.)
Paha777 [63]

Answer:

<h2><em>sinθ - 4cosθ = 0</em></h2>

Step-by-step explanation:

Given the equation of a plane in rectangular coordinates to be y = 4x.

The cylindrical coordinates of the axis is as given below;

x = rcosθ

y = rsinθ

z = z

Since there is no z coordinate in the equation of the plane given, we will only substitute x = rcosθ and y = rsinθ into the equation y = 4x and simply the result as shown;

y = 4x

rsinθ = 4( rcosθ)

rsinθ = 4rcosθ

sinθ = 4cosθ

sinθ - 4cosθ = 0

<em>Hence the equation for the plane in cylindrical coordinate is expressed as sinθ - 4cosθ = 0</em>

8 0
2 years ago
Last year,Jim opened an investment account with $7400. At the end of the year, the amount in account had increased by 26.5%. How
KonstantinChe [14]

Step-by-step explanation:

I=prt

I=7400×(26.5/100)×1

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7 0
2 years ago
Jordan’s family went to dinner and bought four meals for $8.00 each. They had a coupon for 25% off. What was their total bill af
il63 [147K]

Answer:

1558.99

Step-by-step explanation:

6 0
2 years ago
On June 1 of the current year, Dahli Corp. issued $300,000 of 8% bonds payable at par with interest payment dates of April 1 and
shepuryov [24]

Answer:

$14,000

Step-by-step explanation:

Amount issued = $300,000 of 8% bonds

Which means that

8/100 ×$300,000

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Therefore, they would pay

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Interest would be calculated from the day bond is issued. Interest would be calculated for seven (7) months (June - December).

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SIMPLIFY 4(2m+6)+3(3+5m)
Ulleksa [173]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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