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aleksley [76]
2 years ago
8

Which table shows a proportional relationship between x and y?

Mathematics
1 answer:
Schach [20]2 years ago
8 0

Answer:

The 2nd one

Step-by-step explanation:

In this table we can see that all y values are the x value multiplied by 5, so it is proportional.

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For what values of x does 25 Superscript x Baseline = 5 Superscript x squared minus 3?
umka2103 [35]

For this case we have the following equation:

25^{x} = 5^{ x^2-3}

Rewriting we have:

5^{2 (x)} = 5^{ x^ 2-3}\\5^{ 2x} = 5^{ x^ 2-3}

For expressions to be equal, exponents must be equal. So:

2x = x ^ 2-3\\x ^ 2-2x-3 = 0

To factor, we look for two numbers that, when multiplied, result in -3 and when added, result in -2. These numbers are -3 and 1.

(x-3) (x + 1) = 0

Thus, the roots are:

x_ {1} = 3\\x_ {2} = - 1

Answer:

x_ {1} = 3\\x_ {2} = - 1

8 0
3 years ago
Give A ={a,b,c} and B = {c, a}, which of the following is not true
Alborosie

Answer:

The second one

Step-by-step explanation:

B c A

Because B has c and a, which is part of A (A={a, b, c})

8 0
3 years ago
What is the solution of -2x = -16
Vilka [71]
Divide both sides by -2

two negatives make a positive and that's true so x = 16/2 so divide it

x = 8 because 2 x 8 = 16 and 2/16 = 8 so true.

Answer: x = 8.
7 0
4 years ago
What’s the opposite of negative two
allsm [11]

Answer: The answer is two

Step-by-step explanation: If you look for opposites of a number its either negative or positive. So when the answer is negative, the opposite is positive and if the answer is positive, the opposite is negative.

8 0
3 years ago
Read 2 more answers
Area of circle
Gre4nikov [31]

Answer:

1. area

2. circle

3. equilateral

4. length

5. perimeter

6. polygon

7. regular polygon

8. trapezoid

9. legs

10. area of a circle

11. hexagon

12. octagon

13. inscribed polygon

14. apothem

15. composite figure

Step-by-step explanation:

4 0
3 years ago
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