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Doss [256]
4 years ago
14

Solve by substitutiony=-2x + 3 y=2x-1​

Mathematics
1 answer:
krok68 [10]4 years ago
6 0

Answer:

Answer is in the picture bro.

Step-by-step explanation:

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I need help asap!!!!!
Sladkaya [172]

The surface area of the trash can = 25.12 ft²

Solution:

The given image is splitted into two shapes.

One is Cylinder and the other is hemisphere.

Radius of the cylinder = 2 ÷ 2 = 1 ft

Height of the cylinder = 4 – 1 = 3 ft

Curved surface area of the cylinder = 2\pi rh

                                                            =2\times 3.14 \times 1 \times 3

                                                            = 18.84 ft²

Curved surface area of the cylinder = 18.84 ft²

Curved surface area of the hemisphere = 2 \pi r^2

                                                                  = 2\times 3.14 \times 1^2

                                                                  = 6.28  ft²

Curved surface area of the hemisphere = 6.28  ft²

Surface area of the trash = CSA of cylinder + CSA of hemisphere

                                           = 18.84 ft² + 6.28 ft²

                                           = 25.12 ft²

The surface area of the trash can = 25.12 ft²

6 0
4 years ago
What is the solution to the system of equations?
Mekhanik [1.2K]

Answer:

(-6, -2)

Step-by-step explanation:

When trying to find the solution to a system of equations on a graph, the solution is where the lines intersect.

The lines intersect at (-6, -2).  This is the solution.

7 0
3 years ago
Read 2 more answers
Alexis invests $475 in a bank account that earns 1.25% interest compounded annually. Which function models the growth of her inv
olchik [2.2K]
Answer: The function that modes this situation would be: y = 475(1 + .0125)^x.

This is an example of an exponential equation. These equations are always in the form y = ab^x.

The a value is the starting value. The b value is the interest rate. The x value is the number of years.

The only thing to be careful about is the rate. We are adding 1.25% or 0.125. Make sure that you are adding 1 whole to the 1.25% and don't just use 0.125.
8 0
3 years ago
10) Consider the following expression.
velikii [3]

Answers:

The expression is equivalent to a rational number.

The expression represents the sum of two rational numbers.

3 0
3 years ago
a certain quantity grows exponeotially over time.the inital quantity at t=0 is 2000.the quantity grows by a factor of 20%. what
kolbaska11 [484]

Answer:

5200

Step-by-step explanation:

2000 x 20% = 400

400 x 8 = 3200

2000 + 3200 =5200

3 0
4 years ago
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