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3241004551 [841]
3 years ago
14

FAST IT IS TIMED WILL MARK BRAILIEST Oliver incorrectly states that the expression Tangent (StartFraction 3 pi Over 4 EndFractio

n + x) can be simplified as –1. Review Oliver’s work. Tangent (StartFraction 3 pi Over 4 EndFraction + x) Equals StartFraction tangent (three-fourths pi) + tangent (x) Over 1 minus tangent (three-fourths pi) tangent (x) EndFraction Equals StartFraction negative 1 + tangent (x) Over 1 minus (negative 1) tangent (x) EndFraction Equals StartFraction negative 1 + tangent (x) Over 1 + tangent (x) EndFraction = –1 Which statement explains why Oliver is incorrect The expression StartFraction negative 1 + tangent (x) Over 1 + tangent (x) EndFraction does not simplify to –1. The expression Tangent (three-fourths pi) does not have a value of –1. The expression 1 minus (negative 1) tangent (x) simplifies to 2 tangent (x), not 1 + tangent (x). The expression Tangent (Three-fourths pi + x) is equivalent to Tangent (three-fourths pi) + tangent (x), not StartFraction tangent (three-fourths pi) + tangent (x) Over 1 minus tangent (three-fourths pi) tangent (x) EndFraction.
Mathematics
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

Answer is A on Ed.

Step-by-step explanation:

The expression \frac{-1+tan(x)}{1+tan(x)} does not simplify to –1.

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There are approximately 39.37 inches in 1 meter. How many meters are there in 210 inches ?
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Answer is 210/39.37 metres because you divide by number of inches to get metres

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4 years ago
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A farmer has 48 feet of fence with which to make a corral. If he arranges it into a rectangle that is twice as
likoan [24]

Answer:

The shorter side is <u>8</u> feet

the longer side is <u>16</u> feet

Step-by-step explanation:

lets call the shorter side x.

let's call the longer side 2x (because it's twice as long as the shorter side)

you know that the perimeter is 48 feet.

the perimeter would be 2(short side) + 2(long side)

using this, you can make the following equation:

2(x) + 2(2x) = 48

open the parenthesis.

2x + 4x = 48

6x = 48

x = 8

2x = 16

8 0
3 years ago
A contractor is building The base of a circular fountain. On the blueprint the base of the fountain has a diameter of 18 centime
zavuch27 [327]
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You can get this by first finding that the diameter of the actual foundation is 24ft. Then you can use the area of a circle formula with a radius of 12. 
7 0
4 years ago
Triangle JKL has vertices J(−2, 2) , K(−3, −4) , and L(1, −2) . Write the coordinate notation for a translation of 8 units right
Dovator [93]
Triangle JKL has vertices J(−2, 2) , K(−3, −4) , and L(1, −2) .

Rule: (x, y)→(x + 8, y + 1 )

J’ (-2, 2) → (-2 + 8, 2 + 1 ) → (6, 3 )
K’ (-3, -4) → (-3 + 8, -4 + 1 ) → (5, -3 )
L’ (1, -2) → (1 + 8, -2 + 1 ) → (9, -1)


J’ (6,3)
K’ (5,-3)
L’ (9,-1)


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3 0
2 years ago
Answer the question to become the brainliest
olya-2409 [2.1K]

Answer:

a) The distance travelled on the cycle in the first 14 seconds is 96 meters.

b) The acceleration in the first 4 seconds is 2 meters per square second.

Step-by-step explanation:

a) The distance travelled by the cycle is equal to the area below the curve, which is the sum of the first triangle and the rectangle:

\Delta x = \frac{1}{2}\cdot \left(8\,\frac{m}{s} \right) \cdot (4\,s-0\,s)+\left(8\,\frac{m}{s}\right)\cdot (14\,s-4\,s)

\Delta x = 16\,m +80\,m

\Delta x = 96\,m

The distance travelled on the cycle in the first 14 seconds is 96 meters.

b) The acceleration is represented by the slope of the line, which is determined by definition of secant line:

a = \frac{v(4\,s)-v(0\,s)}{4\,s-0\,s} (1)

a = \frac{8\,\frac{m}{s}-0\,\frac{m}{s}}{4\,s-0\,s}

a =2\,\frac{m}{s^{2}}

The acceleration in the first 4 seconds is 2 meters per square second.

7 0
4 years ago
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