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Mathematics

2 answers:

jeka57 [31]3 years ago

4 0

Answer:2

Step-by-step explanation:

lakkis [162]3 years ago

3 0

Answer:

Step-by-step explanation:

Divide 8 by 2 and you get 4.

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Y=x^2-2x-1 and y=-3x+5 solved algebraically

eduard

Answer:

Step-by-step explanation:

y=x²-2x-1

and y=-3x+5

x²-2x-1=-3x+5

x²+x-6=0

x²+3x-2x-6=0

x(x+3)-2(x+3)=0

(x+3)(x-2)=0

x=-3,2

when x=-3

y=-3×-3+5=9+5=14

when x=2

y=-3×2+5=-6+5=-1

so solutions are (-3,14) and (2,-1)

3 0

3 years ago

Which expression is equivalent to 3.5x+1.5x+2-1/2

MrRissso [65]

The most simplified version would be:
$5x+1.5$

4 0

3 years ago

Mrs. Stevenson wants to split her class into 4 teams: Team A, Team B, Team C, and Team D. There are 28 students in her class. To

olga_2 [115]

The probability that both of the students are on Team D is about 5.56%

There are 4 teams, so the first person has a 1/4 chance of being on Team D.

However, for the second person, there are only 6 spots left out of 27 to be on Team D.

To find the combined probability, we need to multiply the two fractions.

1/4 times 6/27 = 1/18 or about 5.56%

3 0

3 years ago

What is the solution of log (t minus 3) = log (17 minus 4 t)? 4 5 15 20

Tcecarenko [31]

Option A: 4 is the solution

Explanation:

The given expression is $\log (t-3)=\log (17-4 t)$