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pogonyaev
3 years ago
10

If a plane is cruising at an altitude of 30,000

Mathematics
1 answer:
madam [21]3 years ago
7 0

Answer:

244,330 feet

Step-by-step explanation:

Please refer to the image attached for explanations

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Each vertical cross-section of the triangular prism shown below is an isosceles triangle.
Fantom [35]

Answer:

<h3>x = 3 units</h3><h3></h3>

Step-by-step explanation:

use Pythagorean theorem:

a² + b² = c²

where a = h

           b = 8/2  = 4

           c = 5

<u>plugin values into the formula:</u>

h² + 4² = 5²

h² = 5² - 4²

x = √9

x = 3

7 0
2 years ago
Which expression is equal to 3/5?
MaRussiya [10]

Answer:

An expression that is equal to 3/5 is 3÷5.

Step-by-step explanation:

3/5 is really 3 things are being split amongst 5 things/groups. When you split things .up, it's division. Therefore, the expression would be 3÷5

3 0
3 years ago
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Solve the equation sine Ф=0.6792 for 0°≤Ф≤360
Sergio [31]

Answer:

42.78⁹, 137.22⁹.

Step-by-step explanation:

sine Ф=0.6792

Angle Ф in the first quadrant = 42.78 degrees.

The sine is also positive in the second quadrant so the second solutio is

180 - 42.78

= 137.33 degres.

3 0
3 years ago
Simplify the expression 4y - 1 - 3y + 2
victus00 [196]
Okay, so basically all you need to do is combine like terms!
in this case, 4y and -3y are like terms... and -1 and 2 are like terms
so, 4y - 3y is 1y or y
and -1 + 2 is 1

so your simplified answer is y + 1

I hope this helps!!
3 0
3 years ago
Solve this system of equations.
Rasek [7]

Answer:

for the first one its: y=-3/4x+9

for the second one its: already done

Step-by-step explanation:

8 0
3 years ago
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