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eimsori [14]
3 years ago
12

g a video game claims that the drop rate for a certain item is 5% according to the game publisher. in online forums, a number of

players are complaining that the drop rate seems to be low. in order to test the drop rate claim, 100 players agree to attempt to get the drop, each attempting 10 times. of the 1000 tries, the item only drops 40 times state the null hypothesis needed to test this claim group of answer choices
Mathematics
1 answer:
Ksju [112]3 years ago
7 0

Answer:

p0 = 0.05

Step-by-step explanation:

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In the diagram, Triangle ABC ~ Triangle ACD. If AD = 12 and DB = 15, What is AC?
Snezhnost [94]

Answer:

9

Step-by-step explanation:

DB^2=AD^2+AC^2

15^2=12^2+AC^2

AC^2=225-144

AC^2=81

AC=√81

AC=9

8 0
3 years ago
The value of a variable that satisfies a given algebraic equation
Sav [38]

Answer:

The value of the variable in an equation which satisfies the equation is called a Solution to the Equation.

example: So for example we take the equation 2n=10, If n = 1, the number of matchsticks is 2.

hope it helps

8 0
3 years ago
On a certain function machine, an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output
mars1129 [50]

Answer:

The answer is multiplying by -2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What binomial do you have to add to the polynomial 2x^2+3y^2-5xy+1 to get the following. A polynomial that does not contain x
kiruha [24]

The Binomial -2x^{2} + 5xy have to be add to the polynomial 2x^{2} +3y^{2} -5xy+1 to get polynomial that does not contain x.

<h3>What is binomial?</h3>

A mathematical expression consisting of two terms connected by a plus sign or minus sign.

Example: x + 2 is a binomial, where x and 2 are two separate terms.

<h3>What is polynomial?</h3>

A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer

According to question

polynomial 2x^{2} +3y^{2} -5xy+1

When added to binomial -2x^{2} + 5xy

= 3y^{2} +1  (as 2x^{2}  -5xy got cancelled )

and this polynomial does not contain x

Hence, Binomial -2x^{2} + 5xy have to be add to polynomial 2x^{2} +3y^{2} -5xy+1 to get polynomial that does not contain x.

To know more about Binomial and polynomial  here :

brainly.com/question/1698358?\

# SPJ2

4 0
2 years ago
Derive this identity from the sum and difference formulas for cosine:
DiKsa [7]

Step-by-step explanation:

½ [cos(a − b) − cos(a + b)]

Using sum and difference formulas:

½ [cos a cos b + sin a sin b − (cos a cos b − sin a sin b)]

Distribute the negative:

½ (cos a cos b + sin a sin b − cos a cos b + sin a sin b)

Combine like terms:

½ (2 sin a sin b)

Simplify:

sin a sin b

4 0
3 years ago
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