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PIT_PIT [208]
3 years ago
10

What is the surface area of a right rectangular prism with a width of 12 inches, a length of 6 inches, and a height of 8 inches

Mathematics
1 answer:
vladimir2022 [97]3 years ago
8 0

Answer:

576

Step-by-step explanation:

12 *6 is 72 and 72 *8 is 576

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Answer:  The answer is C 90

Step-by-step explanation: Rotations is ¼ and the Radians is π/2

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Solve for the equation 4x+5=9
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Answer:

1

Step-by-step explanation:

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C) Round 0.00543998 to 2 significant figures.
anygoal [31]
0.0054, hope i helped!
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If the distance from A (5,6) to B (1, b) is twice the distance from B to
Nimfa-mama [501]

Answer:

The possible values of b are -2.944 and -9.055, respectively.

Step-by-step explanation:

From statement we know that AB = 2\cdot BC. By Analytical Geometry, we use the equation of a line segment, which is an application of the Pythagorean Theorem:

AB = 2\cdot BC

\sqrt{(x_{B}-x_{A})^{2}+(y_{B}-y_{A})^{2}} = 2\cdot \sqrt{(x_{C}-x_{B})^{2}+(y_{C}-y_{B})^{2}} (1)

Where:

x_{A}, x_{B}, x_{C} - x-Coordinates of points A, B and C.

y_{A}, y_{B}, y_{C} - y-Coordinates of points A, B and C.

(x_{B}-x_{A})^{2}+(y_{B}-y_{A})^{2} = 4\cdot (x_{C}-x_{B})^{2}+4\cdot (y_{C}-y_{B})^{2}

Then, we expand and simplify the expression above:

x_{B}^{2}-2\cdot x_{A}\cdot x_{B} +x_{A}^{2} +y_{B}^{2}-2\cdot y_{A}\cdot y_{B} + y_{A}^{2} = 4\cdot (x_{C}^{2}-2\cdot x_{C}\cdot x_{B}+x_{B}^{2})+4\cdot (y_{C}^{2}-2\cdot y_{C}\cdot y_{B}+y_{B}^{2})

x_{B}^{2}-2\cdot x_{A}\cdot x_{B} + x_{A}^{2} +y_{B}^{2}-2\cdot y_{A}\cdot y_{B} + y_{A}^{2} = 4\cdot x_{A}^{2}-8\cdot x_{C}\cdot x_{B}+4\cdot x_{B}^{2}+4\cdot y_{C}^{2}-8\cdot y_{C}\cdot y_{B}+4\cdot y_{B}^{2}

If we know that x_{A} = 5, y_{A} = 6, x_{B} = 1, y_{B} = b, x_{C} = 1 and y_{C} = -3, then we have the following expression:

1 -10 +25 +b^{2} -12\cdot b+36  = 100 -8 +4 +36+24\cdot b +4\cdot b^{2}

b^{2}-12\cdot b +52 = 4\cdot b^{2}+24\cdot b +132

3\cdot b^{2}+36\cdot b +80 = 0

This is a second order polynomial, which means the existence of two possible real solutions. By Quadratic Formula, we have the following y-coordinates for point B:

b_{1} \approx -2.944, b_{2} \approx -9.055

In consequence, the possible values of b are -2.944 and -9.055, respectively.

8 0
3 years ago
Bamboo shoots grow at a constant rate of 129 cm per day . If a shoot of bamboo is 6.5 meters long in monday morning .whAt is the
Mrrafil [7]
You would first convert meters to centimeters which would equal 650cm. so then you take 129 and multiply it by 4 because that is how many days it will be growing. you take the product of 129 and 4 (which is 516) and add it to the 650 that you started with on monday morning. your answer will be

1,166cm or 11.66 meters
3 0
3 years ago
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