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Step2247 [10]
4 years ago
10

1. Evaluate a/b + c^2d for a = 6,b=3,c=4,and d=5

Mathematics
1 answer:
djverab [1.8K]4 years ago
6 0

Answer:

1) C

2) A

3) D

Step-by-step explanation:

A) We substitute the values for a ,b , c and d in the given equation.\frac{6}{3} +4^2 (5) \\= 2+80\\=82

Hence option c. 82 is the answer.

2) The product 6(-3)

Since positive x negative gives negative

we get -(6x3) = -18

Option A is the answer.

3) For this we have to find cube of a fraction with numerator 4 and denominator 7

We find cube of numerator first = 4x4x4 =64

Cube of denominator = 7x7x7 = 343

Hence cube of fraction = 64/343

Option D

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X^2+17x+50=0 to the nearest tenth.
goldenfox [79]

Answer: 2.1      Find the Vertex of   y = x2-17x-50

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Each parabola has a vertical line of symmetry that passes through its vertex. Because of this symmetry, the line of symmetry would, for example, pass through the midpoint of the two  x -intercepts (roots or solutions) of the parabola. That is, if the parabola has indeed two real solutions.  

Parabolas can model many real life situations, such as the height above ground, of an object thrown upward, after some period of time. The vertex of the parabola can provide us with information, such as the maximum height that object, thrown upwards, can reach. For this reason we want to be able to find the coordinates of the vertex.  

For any parabola,Ax2+Bx+C,the  x -coordinate of the vertex is given by  -B/(2A) . In our case the  x  coordinate is   8.5000  

Plugging into the parabola formula   8.5000  for  x  we can calculate the  y -coordinate :  

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or   y = -122.250

Step-by-step explanation:

6 0
3 years ago
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Answer:

3 1/2

Step-by-step explanation:

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ycow [4]

Answer:

Glen is correct.

Step-by-step explanation:

Glen is correct because when you multiply 4 * 2 = 8.

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4 years ago
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