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IrinaK [193]
3 years ago
7

I need help with this because I don’t understand

Mathematics
2 answers:
GalinKa [24]3 years ago
6 0

Answer:

x=1+√5 or x=1−√5

Step-by-step explanation:

photoshop1234 [79]3 years ago
4 0

Answer:

1 + square root 5

and

1 - square root 5

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I have to complete this in a day plz help
Bas_tet [7]

Answer:

The Sample space DOES change, each event within the sample space DOES NOT change, The probability of each event does change. The new probability of drawing a red marble is p(R)= 1/

Step-by-step explanation:

I dont know how many red marbles are in the Jar before so I cant do that for you.

5 0
3 years ago
The total amount of water a tank can hold is 14 1/2 gallons. Raul wants to find out how many 1 1/4 gallon buckets of water can b
sukhopar [10]

Answer: \frac{29}{2}÷\frac{5}{4}, \frac{29}{2}×\frac{4}{5}

Step-by-step explanation: Let me know if you need an explanation.

8 0
3 years ago
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Forty discrete math students are to be divided into eight discussion groups, each consisting of five students. In how many ways
VARVARA [1.3K]

Answer:

<h2>76904685 ways</h2>

Step-by-step explanation:

Given data

the number of students n=40

the number of groups r= 8

We are going to use the combination approach to solve the problem

nCr= n!/r!(n-r)!

substituting into the expression for the number of ways we have

40C8= 40!/8!(40-8)!

nCr= 40!/8!(32)!

nCr= 40!/8!(32)!

nCr= 40*39*38*37*36*35*34*33*32!/8!(32)!

nCr= 40*39*38*37*36*35*34*33*/8!

nCr= 40*39*38*37*36*35*34*33*/8*7*6*5*4*3*2

nCr= 3100796899200/40320

nCr=76904685 ways

4 0
3 years ago
HELP PLEASE!!!!
MA_775_DIABLO [31]

Answer:

The answer is D.. 2^0

Step-by-step explanation:

i had the same question in my program

3 0
3 years ago
A card is drawn from a standard 52-card deck. What is the probability that the card is a red 8, given that the card is an 8?
crimeas [40]
<span>probability that the card is a red 8
=
2 out of 52 or 1 out of 26

hope it helps</span>
8 0
3 years ago
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