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Sati [7]
1 year ago
8

An air traffic controller is tracking two planes.To start Plane A was at an altitude of 990 meters and plane B was at an altitud

e of 1476 meters.plane A is loosing altitude at 18 meters per second and plane b is loosing altitude at 27 meters per second.write an equation to show when the two planes would be at the same altitude
Mathematics
1 answer:
soldi70 [24.7K]1 year ago
8 0

The equation representing when the two planes would be at the same altitude is 9x=486

<h3>In terms of mathematics, what is an equation?</h3>

Equation: A declaration that two expressions with variables or integers are equal. In essence, equations are questions, and attempts to systematically identify the solutions to these questions have been the driving forces behind the creation of mathematics.

From (a) we get that: Altitude of Plane A = 990-18x

Altitude of Plane B = 1476-27x

make 890 - 18x = 1476-27x

-18x+27 x = 1476-890

9x=486

X= 54

so pass 54 seconds will the two plane at the same altitude.

To learn more about equations from given link

brainly.com/question/25678139

#SPJ9

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Illusion [34]

Answer:

x=11,y=10.

Step-by-step explanation:

The diagonals of a parallelogram bisect each other.

We can form an equation in x and y using this property.

2y+2=2x

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Solving the second  equation for x ,

x=2y-9.

Substituting x value in 2y+2=2x

2y+2=2(2y-9)

Or ,2y+2=4y-18.

Adding 18 both sides:

2y+20=4y.

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20=2y.

Dividing both sides by 2:

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4 0
3 years ago
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mrs jones attended a southern living Home party she purchased a vase which cost $34.99 The shipping charge was three dollars and
zhannawk [14.2K]

The total amount paid for vase is $ 41

<em><u>Solution:</u></em>

Given that

Cost of vase = $ 34.99

Shipping charge = 3 dollars

Sales tax = 8.25 % was paid on the subtotal which included the shipping charge

To find: total amount paid for vase

total amount paid for vase = Cost of vase + Shipping charge + sales tax

Let us first find the sales tax

Given that 8.25 % was paid on the subtotal which included the shipping charge

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So 8.25 % of 37.99 was paid as sales tax

\text{ sales tax } = \frac{8.25}{100} \times 37.99 = 3.1341

Therefore sales tax amount paid = $ 3.1341

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total amount paid for vase = 34.99 + 3 + 3.1341 = 41.1241 ≈ 41

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8 0
4 years ago
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lakkis [162]

Answer:

43cm²

Step-by-step explanation:

let's first consider the area of a square.

the area is L² which means all sides are equal so we take the length times the breadth which is both equal because like we said all sides are equal.

so to find the side of the square using the area, we take the square root of both of the area.

\sqrt{25}  = 5

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\sqrt{18}  = 4.2

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now, from the triangle, since we have two sides and it's a right-angled, we can use Pythagoras' formula.

\sqrt{ {5}^{2}  +  {4.2}^{2} }  = 6.53cm

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8 0
2 years ago
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Answer:

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Step-by-step explanation:

4 0
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