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mezya [45]
3 years ago
6

What is the answer for this question because it is very hard

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

Daniella: 0.2

Dwayne: 0.25

Angel: 0.2

Daniella and Angel have the same amount of scores. And Dwayne score is not. Dwayne has a higher score than Daniella and Angel.

Hope this helps

-Amelia

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Solve each equation. Round your answers to the nearest ten-thousandth. Please show work. Part 3A​
Butoxors [25]

Answer:

19.

      log9(5x^2 + 10) - log9(10) = 1

<=> log9((5x^2 + 10)/10) = log9(9)

<=> (5x^2 + 10)/10 = 9

<=> 5x^2 + 10 = 90

<=> 5x^2 = 80

<=> x^2 = 16

<=> x = +/- (4)

20.

      log5(2x^2 + 4) + log5(3) = 2

<=> log5((2x^2 + 4) x 3) = log3(9)

<=> 6x^2 + 12 = 9

<=> 6x^2 = -3

 => No real x satisfies.  ( x^2 always larger or equal to 0)

21.

      log6(8) + log6(7 - 2x^2) = 2

<=> log6(8 x (7 - 2x^2)) = log6(36)

<=> 56 - 16x^2 = 36

<=> 16x^2 = 20

<=> x^2 = 5/4

<=> x = +/- sqrt(5/4)

Hope this helps!

:)

5 0
3 years ago
EASY I NEED HELP<br><br> MATH QUESTION
gayaneshka [121]

Answer:

0

Step-by-step explanation:

just put in 5 for x

7 0
3 years ago
Find the range of the function y=-x^2-3x when the domain is {-5, 0, 2}
ankoles [38]

The range of the function y = -x² - 3x when the domain is {-5,0,2} is:

{-10, 0}.

<h3>What is the range of a function?</h3>

The range of a function is the set that contains the output values for the given domain of the function.

In this problem, the domain is:

{-5,0,2}.

Hence the output values are:

  • -(-5)² - 3(-5) = -25 + 15 = -10.
  • -(0)² - 3(0) = 0.
  • -(2)² - 3(2) = -4 + -6 = -10.

Hence the range is:

{-10, 0}.

-10 repeats, but goes only once on the range.

More can be learned about the range of a function at brainly.com/question/10891721

#SPJ1

7 0
2 years ago
Simplify- 5+2{3x+7(2-x)}
oksano4ka [1.4K]

Answer:

16x+19

Step-by-step explanation:

i might be wrong and its gonna take so long to explain it

4 0
3 years ago
Which country is a democracy that legally requires its citizens to vote?
Studentka2010 [4]

Answer:

Costa Rica

Step-by-step explanation:

3 0
3 years ago
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