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Nat2105 [25]
3 years ago
5

As part of a geometry assignment, Celina drew a scalene triangle.Which of the following dimensions could represent the side leng

ths of the triangle Celina drew?
A.6,7,8
B.4,4,4
C.1,1,3
D.2,3,3
Mathematics
2 answers:
cestrela7 [59]3 years ago
6 0

i agree with u yes it is A)6,7,8 that's the answer

Vladimir79 [104]3 years ago
4 0
A.) 6,7,8

A scalene triangle is a triangle that has three unequal sides. It means that each side is of different measure. 

Choice B is an example of an Equilateral Triangle. Its sides are all equal.

Choices C and D are examples of an Isosceles Triangle. It has two equal sides.

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alpha and beta are the zeros of the polynomial x^2 -(k +6)x +2(2k -1). Find the value of k if alpha + beta = 1/2 alpha beta(ITS
serious [3.7K]

Answer:

k=\frac{-11}{2}.

Step-by-step explanation:

We are given \alpha and \beta are zeros of the polynomial x^2-(k+6)x+2(2k-1).

We want to find the value of k if \alpha+\beta=\frac{1}{2}.

Lets use veita's formula.

By that formula we have the following equations:

\alpha+\beta=\frac{-(-(k+6))}{1}  (-b/a where the quadratic is ax^2+bx+c)

\alpha \cdot \beta=\frac{2(2k-1)}{1} (c/a)

Let's simplify those equations:

\alpha+\beta=k+6

\alpha \cdot \beta=4k-2

If \alpha+\beta=k+6 and \alpha+\beta=\frac{1}{2}, then k+6=\frac{1}{2}.

Let's solve this for k:

Subtract 6 on both sides:

k=\frac{1}{2}-6

Find a common denominator:

k=\frac{1}{2}-\frac{12}{2}

Simplify:

k=\frac{-11}{2}.

7 0
3 years ago
The tallest building in Franklin is two-thirds the
drek231 [11]

Answer:

The height of tallest building in Franklin is \[\frac{431}{8}\] feet or 53\[\frac{7}{8}\] feet.

Step-by-step explanation:

Given:

The height of tallest building in Mayville is 80\[\frac{13}{16}\] feet or \[\frac{1293}{16}\] feet. (Simplifying the fraction)

And the tallest building in Franklin is 2/3rd of the tallest building in Mayville.

So, multiply the height of Mayville with \[\frac{2}{3}\] to get the height of tallest building in Franklin.

Thus, the height of tallest building in Franklin will be,

h=\[\frac{1293}{16}\]\times\frac{2}{3}\\h=\frac{431}{8}\\h=53\frac{7}{8}

The height of tallest building in Franklin is \[\frac{431}{8}\] feet or 53\[\frac{7}{8}\] feet.

For more details, refer to the link:

brainly.com/question/6201432?referrer=searchResults

6 0
3 years ago
Find the inverse of function f. f(x) = 1/3 - 1/21 x
uysha [10]
F(x)=1/3-1/21x
0=1/3-1/21x multiply both side by 21
0=7-x
X=7
3 0
3 years ago
Which description is paired with it's correct expression?​
EleoNora [17]
Two less than the quotient of a number cubed and four, increased by eight
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Marlee spins the spinner below 30 times. A success occurs when the spinner lands on a 5 or 6. What is the probability of a succe
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We are going to assume that the spinner has 11 parts.

Answer:

Probability of success = 18.17%

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Step-by-step explanation:

Please kindly check the attached file for explanation.

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