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Hatshy [7]
3 years ago
12

For every bag of trail mix the local Scout Guide troop sells,they earn $0.45. write an expression to represent this situation.

Mathematics
2 answers:
maw [93]3 years ago
7 0

Step-by-step explanation:

0.45x, where x = number of bags sold

Hope this helped. Have a good day!

Mekhanik [1.2K]3 years ago
5 0

52 bags x $0.45 for each bag =$23.40 earned for sarah 's troop

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Trava [24]
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5 0
3 years ago
Kai has a mass of 55kg. What would Kai weigh on Mars? (The gravitational field strength on Mars is 3.7N/kg). Give your answer to
Anna71 [15]

Answer:

203.5 N

Step-by-step explanation:

Force = mass × acceleration

F = ma

F = (55 kg) (3.7 N/kg)

F = 203.5 N

7 0
4 years ago
Prove algebraically that the straight line with equation x =2y+5 is a tangent to the circle with equation x ² +y ²
mrs_skeptik [129]

The intersection point is only one. Then the equation of the line is tangent to the circle at point (1, -2).

<h3>What is a circle?</h3>

It is a locus of a point drawn an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

Prove algebraically that the straight line with equation x = 2y + 5 is a tangent to the circle with equation x² + y² = 5.

x = 2y + 5 ...1

x² + y² = 5 ...2

If the intersection of the point of the circle and line is one. Then the line is tangent to the circle.

Then from equations 1 and 2, we have

               (2y + 5)² + y² = 5

4y² + 25 + 20y + y² - 5 = 0

            5y² + 20y + 20 = 0

    5y² + 10y + 10y + 20 = 0

     5y (y + 2) + 10(y + 2) = 0

              (5y + 10)(y + 2) = 0

                                    y = -2, -2

Then the value of y is unique then the value of x will be unique.

The value of x will be

x = 2(-2) + 5

x = -4 + 5

x = 1

The intersection point is only one. Then the equation of the line is tangent to the circle at point (1, -2).

More about the circle link is given below.

brainly.com/question/11833983

#SPJ1

4 0
2 years ago
Simplify the expression below.<br> 2x – 4y + 6 + 3x – 9y – 4
Dmitrij [34]

Answer:

5x - 13y + 2

Step-by-step explanation:

Given: 2x – 4y + 6 + 3x – 9y – 4

Combine all like terms:

5x - 13y + 2

8 0
3 years ago
Can some one help me with this question? I'll need the equation or tips on how to find it. If you need to: message me. (if you c
Ilya [14]
So 15 minus the flat fee is 11.25 divided by .85 is 13.23 km rounded 13km
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4 years ago
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