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pishuonlain [190]
3 years ago
14

Evaluate g(n-5) if g(x) =

2 - 6}{2x}" alt="\frac{x^2 - 6}{2x}" align="absmiddle" class="latex-formula">
A\frac{n^2 - 5}{2n-20}
B \frac{n^2-6}{2n} -5
C \frac{n^2-10n+19}{2n-10}
D\frac{n^2-10n+19}{2n-5}
Mathematics
1 answer:
Roman55 [17]3 years ago
4 0

The only choice with the correct denominator is

\bf C.\quad\dfrac{n^2-10n+19}{2n-10}

_____

For multiple choice questions, it works well to eliminate answers that cannot possibly be right, then look at what remains. Here, only one answer remains.

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Mrs Doubtfire is planning to place a fence around her backyard. The fencing costs $1.95 per yard. She buys f yards of fencing an
VashaNatasha [74]
Its B.......I just cchecked
8 0
4 years ago
The sum of two consecutive integers is at most 3. what is the greatest possible value for the greater integer?
Rudik [331]
2 consecutive integers...x and x + 1

x + x + 1 < = 3
2x + 1 < = 3
2x < = 3 - 1
2x < = 2
x < = 1

x + 1 = 1 + 1 = 2.......the greatest possible value for the greatest integer is 2
8 0
3 years ago
Maria throws a softball straight up into the air with an initial velocity of 50 ft/sec. The ball leaves her hand when it is exac
Nataly_w [17]

Answer:

The equation that models the situation is s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}.

Step-by-step explanation:

Let suppose that effects from air friction and Earth's rotation can be neglected, so that the softball can be modelled experiment a free fall, that is, an uniform accelerated motion due to gravity. From we know the initial velocity and position of the position and we can determine the final position of the ball as a function of the final velocity:

v_{f}^{2} = v_{o}^{2}+2\cdot a \cdot (s_{f}-s_{o}) (1)

Where:

s_{o}, s_{f} - Initial and final position of the softball, measured in feet.

a - Acceleration, measured in meters per square second.

v_{o}, v_{f} - Initial and final velocities of the softball, measured in feet per second.

If we know that v_{o} = 50\,\frac{ft}{s}, a = -32.174\,\frac{m}{s^{2}} and s_{o} = 4\,ft, then the equation that models the situation is:

v_{f}^{2} = 2500-64.348\cdot (s_{f}-4)

Then, we clear the final position of the softball:

-\frac{v_{f}^{2}-2500}{-64.348} = s_{f}-4

s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}

The equation that models the situation is s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}.

8 0
3 years ago
Mina says triangle A with angles
kotykmax [81]

Answer:

Yes, Mina is correct

Step-by-step explanation:

Let the triangles be A and B

Given

Triangle A:

Angles = 34, 57

Triangle B:

Angles = 89, 57

Required

Is Mina's claim correct?

First, we calculate the third angle in both triangles.

For A:

Third\ Angle = 180 - 34 - 57

Third\ Angle = 89

For B:

Third\ Angle = 180- 89 - 57

Third\ Angle = 34

For triangle A, the angles are: 34, 57 and 89

For triangle B, the angles are: 34, 57 and 89

<em>Since both triangles have the same angles, then by the postulate of AAA (Angle-Angle-Angle), the triangles are similar.</em>

3 0
3 years ago
Can anyone Solve this?
fenix001 [56]

Answer:

1.5 feet

Step-by-step explanation:

1 inch = 3 feet

Height: 0.5 inches = 1.5 feet (0.5 * 3 = 1.5)

Length: 2 inches = 6 feet (2 * 3 = 6)

Hope that helps!

6 0
2 years ago
Read 2 more answers
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