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2 years ago

1+ root2x + 1 = root2x + 8

Mathematics

1 answer:

hodyreva [135]2 years ago

6 0

Answer:

14x 2 +9

Step-by-step explanation:

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If the tree grows an additional 10 feet, what is the new angle of

avanturin [10]

Answer:

B) 47.1°

Step-by-step explanation:

The tangent relation is useful here.

Tan = Opposite/Adjacent

The original height of the tree is the side of the triangle that is opposite the angle of elevation:

Opposite = Adjacent × Tan

original height = (25 ft)×tan(34°) ≈ 16.863 ft

After growing an additional 10 ft, the tree has a height of ...

16.863 ft + 10 ft = 26.863 ft

Then the angle of elevation is found from ...

tan(angle) = (26.863 ft)/(25 ft) ≈ 1.07451

angle of elevation = arctan(1.07451) ≈ 47.057°

The angle of elevation to the top of the tree is about 47.1°.

6 0

2 years ago

Does the function g(x) = -2x2 + 10x + 2 have a minimum or a maximum? Identify its value.<br> +

Hitman42 [59]

Answer:

(5/2, 29/2), and this represents a maximum

Step-by-step explanation:

g(x) = -2x^2 + 10x + 2 is a quadratic function with coefficients {-2, 10, 2}.

The formula for the axis of symmetry (which passes through the vertex) is

x = -b/ [2a]. Here, a = -2; b = 10. Therefore, the axis of symmetry is

x = -10/ [2(-2)] = -10/(-4) = 5/2

Evaluate the function g(x) = -2x^2 + 10x + 2 at x = 5/2 to determine the y-coordinate of the vertex:

g(5/2) = -2(5/2)^2 + 10(5/2) + 2, or

g(5/2) = -2(25/4) + 25 + 2, or

g(5/2) = -25/2 + 27, or

g(5/2) = 14.5

The vertex is thus (5/2, 29/2), and this represents a maximum, because the coefficient of the x^2 term is negative (the curve opens downward).

3 0

2 years ago

How many coefficients are in 5z squared +16

Viktor [21]

5z^2 + 16

a coefficient is a number multiplied by a variable (a letter). so there is only ONE coefficient in this expression and it is 5.

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3 years ago

I really need help!!!

Licemer1 [7]

Answer:

Step-by-step explanation

cause there are three rooms that need to be painted

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3 years ago

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Nancy wants to make a graph to show the relationship between the temperature of water, in degrees Celsius, and the time, in minu

LenaWriter [7]

Not entirely sure, but it seem the answer could be B.) It will not be spread out vertically across the entire coordinate plane because in step 5, Nancy selected an incorrect scale on the y-axis.

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3 years ago

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