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pashok25 [27]
3 years ago
14

Answer right and get brainliest and get a thanks ! :-)

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0
According to me B is the correct answer.
nata0808 [166]3 years ago
5 0
The formula used in this problem is f(t) = f_{1} * r^{t-1}, where r is the common ratio. The common ratio is how you get from one term to the next. In this case, the common ratio is ·4, so from one year, or term, to the next the number of frogs is multiplied by four. This makes the answer B. The number of frogs quadruples every year.
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Factor out the following:<br> -x^5+9x^3
rosijanka [135]

Answer:

x^3(-x+3)(x+3)

Step-by-step explanation:

-x^5 + 9x^3

factor out x^3

x^3(-x^2+9)

9 and -x^2 are perfect squares so we can factor out a 3 and an x to get (-x+3)(x+3)

the fully factored form would be x^3(-x+3)(x+3)

4 0
2 years ago
Read 2 more answers
In what quradrant does the terminal side of 0 lie when tan 0 &lt; 0 and sin 0 &lt; 0
Pie

Answer:

Step-by-step expla0000000000000000000000000nation:

6 0
3 years ago
A card is drawn at random from a standard deck of playing cards (no jokers). If the card is a spade, the player wins $7; if it i
Akimi4 [234]

The expected value of the game is the mean value of the game

The expected value of the game is $1

<h3>How to determine the expected value?</h3>

There are 13 spades in a deck of card of 52

So, the probability of selecting a spade is:

P(Spade) = 13/52

Simplify

P(Spade) = 1/4

Winning = $7

The probability of not selecting a spade is:

P(Not spade) = 1 - 1/4

Simplify

P(Not spade) = 3/4

Lose = $1

The expected value of the game is:

E(x) = \sum x * P(x)

This gives

E(x) = \frac 14 * 7 - 1 * \frac34

Simplify

E(x) = \frac 74 - \frac34

Evaluate

E(x) = 1

Hence, the expected value of the game is $1

Read more about expected values at:

brainly.com/question/15858152

8 0
2 years ago
Describe the process in proving that the solution of an inequality is valid.
geniusboy [140]
Ok so you have to work backwards so lets say 
x=50 
work backwards does the answer you got make sense for it to be that answer 
6 0
3 years ago
Give the equation of the line through the point ( - 10,9) with a slope of -1/5
hichkok12 [17]

Equation of the line in slope-intercept form is y = -1/5 x + 9

Step-by-step explanation:

  • Step 1: Given slope of the line is -1/5 and the point is (-10, 9). Here m=-1/5.

⇒ y = -1/5 x + b  ------ (1)

  • Step 2: Find the y-intercept of the line, b. Since the line passes through (-10, 9) substitute x = -10 and y = 9 in eq(1)

⇒ 9 = -1/5 × -10 + b = 2 + b

⇒ b = 9 - 2 = 7

  • Step 3: Slope intercept form of the line is y = mx + b. Form the equation using the values of m and b.

⇒ y = -1/5 x + 7

It can also be written as 5y + x = 35

7 0
3 years ago
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