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Vikentia [17]
4 years ago
11

8n + 2 is an expression for "the sum of 8 times a number and two" True False

Mathematics
2 answers:
klasskru [66]4 years ago
5 0
That is true becase 8xn and means +                       
Amanda [17]4 years ago
4 0

Answer:

8n + 2 is an expression for "the sum of 8 times a number and two" . True .

You might be interested in
3. Which of the following quadratic equations has no solution? A) 0 = −2(x − 5)2 + 3 B) 0 = −2(x − 5)(x + 3) C) 0 = 2(x − 5)2 +
klemol [59]

Answer:

D) 0 = 2(x + 5)(x + 3)

Step-by-step explanation:

Which of the following quadratic equations has no solution?

We have to solve the Quadratic equation for all the options in other to get a positive value as a solution for x.

A) 0 = −2(x − 5)2 + 3

0 = -2(x - 5) × 5

0 = (-2x + 10) × 5

0 = -10x + 50

10x = 50

x = 50/10

x = 5

Option A has a solution of 5

B) 0 = −2(x − 5)(x + 3)

Take each of the factors and equate them to zero

-2 = 0

= 0

x - 5 = 0

x = 5

x + 3 = 0

x = -3

Option B has a solution by one of its factors as a positive value of 5

C) 0 = 2(x − 5)2 + 3

0 = 2(x - 5) × 5

0 = (2x -10) × 5

0 = 10x -50

-10x = -50

x = -50/-10

x = 5

Option C has a solution of 5

D) 0 = 2(x + 5)(x + 3)

Take each of the factors and equate to zero

0 = 2

= 0

x + 5 = 0

x = -5

x + 3 = 0

x = -3

For option D, all the values of x are 0, or negative values of -5 and -3.

Therefore the Quadratic Equation for option D has no solution.

3 0
3 years ago
50 POINTS, PLEASE ANSWER
ludmilkaskok [199]

Step-by-step explanation:

Part 1:

Rotation counterclockwise 90 &degree; of a point is

Here is a table of the transformation of all four points:

P(-7,0)-> P'(-0,-7) =P'(0,-7)

A(-4,2)-> A'(-2,-4) 

R(-3,0)-> R'(0,-3)

K(-6,2)-> K'(-2,-6)

The initial and rotated images are shown attached.

Part 2: it needs to be done with the technology tool that you have.  We can check your work if you post what you did.

7 0
3 years ago
Read 2 more answers
2 4/9 + 5 1/2 =??????
Zolol [24]
7 17/18. Put them both over 18 and add so they have the same denominator
7 0
4 years ago
In Question 1 and Question 2, what is the distance from the center if the circle to a point on the circle? Take this idea a step
Harlamova29_29 [7]

Step-by-step explanation:

I don't see question 1 and 2.

but it did be way for you : the distance from the verge of a circle to a point on the circle is always the radius.

that is the whole concept of a circle : it is the line (or curve) of all points that have the same, constant distance r from a single point.

5 0
2 years ago
Given the points A(-2, 5) and B(2, 3), find the coordinates of the point P on directed line segment AB that partitions AB in the
sasho [114]

Answer:

The answer to your question is:  Point (-1/2 , 17/4)

Step-by-step explanation:

Data

A(-2, 5)

B (2, 3)

ratio 3:5    r = 3/5

Formula

x = \frac{x1 + rx2}{1 + r}                           y = \frac{y1 + ry2}{1 + r}

Process

x = x = \frac{-2 + (3/5)2}{1 + 3/5}            y = \frac{5 + (3/5)3}{1 + (3/5)}

x = \frac{-2 + 6/5}{5+3/5}                       y = \frac{5  9/5}{5 + 8/ 5}

x = \frac{-10 + 6/5}{8/5}                          y = \frac{25 + 9/5}{8/5}

x = \frac{-4}{8}                                        y = \frac{17}4}

x = -1/2                                                           y = 17/4

                   

5 0
3 years ago
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