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lord [1]
3 years ago
9

What is the system of elimination for y= -3x+5 y= -8x+25

Mathematics
2 answers:
zubka84 [21]3 years ago
7 0
Y=-3x+5
y=-8x+25

-3x+5=-8x+25
-20=-5x
x=4

y=-3(4)+5=-7
wlad13 [49]3 years ago
6 0

Simplified Answer

x=4

y=-7

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Can y’all please help?
alex41 [277]

Answer:

7

Step-by-step explanation:

You subtract 220 - 129 = 91 then divide by 13

4 0
3 years ago
How is 10 2/3 written as a decimal to the nearest hundred
expeople1 [14]

Answer:

10.67

Step-by-step explanation:

The 10 stays as it is.  The 2/3 is approximated by 0.67 (to the nearest hundredth).  Thus, we have 10.67 to the nearest hundredth.


6 0
3 years ago
Which of the following is NOT a typical tennis competition (connexus)
andrew11 [14]

Answer:

as a tennis player, i know this

Step-by-step explanation:

there is no triples loll

6 0
3 years ago
Read 2 more answers
How many numbers are less than 1000 that contain only the digits 5 or 6 or both 5 or 6? A digit may be used more than once. 
yaroslaw [1]
5,6
55,56
65,66
555,556,565,566
655,656.665.666

Looks like there are 14 numbers that use only the digits 5 or 6 or both 5 or 6 that are under 1000.
6 0
3 years ago
Roll one fair, six-sided die, numbered 1 through 6. Let A be the event you will roll an even number. Let B be the event you will
11111nata11111 [884]

Answer:

a) not independent

b) not mutually exclusive

Step-by-step explanation:

Given:

- A 6 sided die is rolled

- Event A is rolling an even number

- Event B is rolling a prime number

Find

- (a) Are A and B independent events?

- (b) Are A and B mutually exclusive events?

Solution:

- We will find the probability of each event:

                       set(Even number: A) = {2, 4, 6} = 3 outcomes

                       set(Prime number: B) = {2 , 3, 5} = 3 outcomes

- The probabilities are:

                        P(A) = 3/6 = 0.5

                        P(B) = 3/6 = 0.5

- For Event A and B to be independent then the following condition must match:

                        P ( A & B ) = P(A)*P(B)

                        set (A&B) = {2} = 1 outcome

                        P(A&B) = 1/6

                        1 / 6 = 0.5*0.5

                        1/6 = 0.25         ...... NOT INDEPENDENT

- For Event A and B to be mutually exclusive then the following condition must match:

                        P(A&B) = 0

                        P(A&B) = 1/6

Hence, we can say the events are NOT MUTUALLY EXCLUSIVE

7 0
3 years ago
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