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irina1246 [14]
2 years ago
6

I need this answered

Mathematics
1 answer:
ikadub [295]2 years ago
8 0

Answer:

D.

Step-by-step explanation:

In the first 3 equations, both sides are equal, so they each have infinitely many solutions.

The last choice is

3(-2x + 4) = -6x - 12

Distribute on the left side.

-6x + 12 = -6x - 12

Add 6x to both sides.

12 = -12

Since 12 = -12 is false, this equation has no solution.

Answer: D.

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Quadratic function that opens downward with vertex, not in origin
Vinvika [58]

Answer: The graph of a quadratic function is called a parabola. ... There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.

Step-by-step explanation:

5 0
3 years ago
Uma escola tem 25 professores Dos quais 24% Ensinam matemática. quantos professores ensino matemática nessa escola ?
konstantin123 [22]

(25 : 100) *24 =

0.25 * 24 =

6 (is your answer)



5 0
3 years ago
Can you help me answer 1 2 and 3
Zepler [3.9K]
1) 1/20 to the power of 4
2) 8 to the power of 2
3) 7.5 to the power of 3

hope this helped :)

8 0
3 years ago
Select the correct answer from each drop-down menu.
Sergeu [11.5K]

Using translation concepts, it is found that the transformations to create function d are given as follows:

  • Horizontal shift right 1 unit.
  • Vertical shift up 5 units.
  • Frequency multiplied by 2.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, the parent cosine function is given by:

f(x) = cos(x).

The translated function is given by:

d(x) = cos(2x - 1) + 5.

Which means that:

  • 1 was subtracted in the domain, hence the was a horizontal shift right 1 unit.
  • 5 was added in the range, hence there was a vertical shift up 5 units.
  • There was a multiplication by 2 in the domain, hence the frequency is multiplied by 2.

More can be learned about translation concepts at brainly.com/question/4521517

#SPJ1

5 0
2 years ago
Judith has already taken 93 quizzes during past quarters, and she expects to have 5 quizzes
lara [203]

Answer:

103

Step-by-step explanation:

93 + 5 + 5 = 103

6 0
3 years ago
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