How do you solve the function y = 2.5^x for y=20

Answers

Answer 1

Answer: $y=2.5^x;\ y=20\n\n2.5^x=20\n\nlog_(2.5)2.5^x=log_(2.5)20\n\nx=log_(2.5)20\n\nx=log_(2.5)(2.5\cdot8)\n\nx=log_(2.5)2.5}+log_(2.5)8\n\nx=1+log_(2.5)8$

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Y^20=( )^2
1) y^4
2) y^5
3)y^10
4)y^12

Answers

y^20 = (?)^2

We want to find the missing number. Let's first think about how exponents are dealt with. If there are two exponents (ex: (z^5)^2) then the exponents multiply to find your new exponent (ex: z^10).

Therefore, we want the power of y to multiply by 2 and equal 20. The answer is 3) y^10.

(y^10)^2 = y^20

The number of chips of different colors in Amy's bag is shown below: 8 blue chips 9 pink chips 1 white chip Amy takes out a chip from the bag randomly without looking. She replaces the chip and then takes out another chip from the bag. What is the probability that Amy takes out a pink chip in both draws.

Answers

Answer:

1/4

Step-by-step explanation:

8 blue chips 9 pink chips 1 white chip = 18 chips

P( pink) = pink/total = 9/18 = 1/2

Replace

8 blue chips 9 pink chips 1 white chip = 18 chips

P( pink) = pink/total = 9/18 = 1/2

P(pink, replace, pink) = 1/2 * 1/2 = 1/4

Steps:

blue chips = 8

pink chips = 9

white chips=1

total = 18

Description:

As we know that the blue chips was 8, pink chips was 9, and white chips was 1. We plus all the numbers and your answer will equal as 18. Since the pink chips are 9 and the total is 18, we put then as a fraction. So 9/18=1/2. But the answer will be 1/4

Answer: 1/4

1st draw:

pink chip = 9/18 = 1/2

2nd draw:

pink chip = 9/18 = 1/2

Please mark brianliest

hope this helps.

Cathy volunteered to collect cans for a school project. cathy collected 125 cans in 5 days. there were 6 volunteers including cathy who each collected about the same number of cans. about how many cans did they collect ?

Answers

Everyone got 4 cans a day but one person got 5 cans everyday. How? 125/5, cans collect/number of day equals 25 cans a day if you divide by 6 you get 4.1 and they can't collect a fraction of a can so then you do 6*4=24 but you need 25 a day so one of the people got an extra can.

Answer: They collected 750 cans.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

Number of cans collected by Cathy: 125
Number of volunteers (including Cathy) : 6

So, calculate the total number of can that all the volunteers collected we have to simply multiply the number of cans that Cathy collected (125 ,Since each volunteer collected about the same number of cans) by the number of volunteers (6 including Cathy).

125 x 6 = 750 cans.

Feel free to ask for more if needed or if you did not understand something.

Solve the equation 6/7x-11/42=1/7x-5/6

Answers

6/7x-11/42=-1/7x-5/6x-11/42=-5/6x=-4/7

Find domain of g

g(x)=x+5/2x^2-x-3

Answers

$g(x)=(x+5)/(2x^2-x-3)\n\nD_g:\n2x^2-x-3\neq0\n\n2x^2+2x-3x-3\neq0\n\n2x(x+1)-3(x+1)\neq0\n\n(x+1)(2x-3)\neq0\iff x+1\neq0\ \wedge\ 2x-3\neq0\n\nx\neq-1\ \wedge\ x\neq1.5\n\nD_g:x\in\mathbb{R}\ \backslash\ \{-1;\ 1.5\}$

A 12-sided polygon will contain ?? straight angles in the sum of its vertices. Pls help me

Answers

A rule to remember:
The inside angles of a polygon with 'N' sides add up to (N - 2) straight angles.

12 sides ==> 10 straight angles = 1,800 degrees

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