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Vlad [161]
2 years ago
15

Im confused please help

Mathematics
2 answers:
sergeinik [125]2 years ago
8 0
Answer:

-5/2, -2, 1.7
Damm [24]2 years ago
6 0
1.7, -2, -5/2 Hope this helps
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Question 31 pts Prove the statement is true using mathematical induction: 2n-1 ≤ n! Use the space below to write your answer. To
Sladkaya [172]

Answer:

P(3) is true since 2(3) - 1 = 5  < 3! = 6.  

Step-by-step explanation:

Let P(n) be the proposition that 2n-1 ≤ n!. for n ≥ 3

Basis: P(3) is true since 2(3) - 1 = 5  < 3! = 6.  

Inductive Step: Assume P(k) holds, i.e., 2k - 1 ≤ k! for an arbitrary integer k ≥ 3. To show that P(k + 1) holds:

2(k+1) - 1 = 2k + 2 - 1

≤ 2 + k! (by the inductive hypothesis)

= (k + 1)! Therefore,2n-1 ≤ n! holds, for every integer n ≥ 3.

4 0
3 years ago
Three ratios that are equivalent to 8:5
vlada-n [284]

Answer:

32/20

Step-by-step explanation:

32 and 20 are both divisible by 4. 4*8=32 and 4*5=20. So this one works. Another way to think about it is if you put them as fractions and reduced them down to their simplest form, they would form the fraction 8/5.Oct 17, 2019

5 0
3 years ago
What is another way to write the expression t×(14-5)
Lady bird [3.3K]
T(14 - 5) = 14t - 5t or t(14) - t(5) 
7 0
3 years ago
Read 2 more answers
What is the slope of the line through (6,9) and (7,1)
suter [353]
Slope of (6, 9) & (7, 1)

To find the slope, we use the equation : m = y₂-y₁ / x₂-x₁

**Remember : m = slope**

Let's say that (6, 9) is our first set of points, and (7, 1) is our second.

If those are our first and second points, then we now know this :

x₁ = 6, x₂ = 7, y₁ = 9, y₂ = 1

Now that we know that, we can simply plug those points into our slope equation.

m = y₂ - y₁ / x₂ - x₁

m = (1 - 9) / (7 - 6 )

Simplify.

m = -8 / 1

Simplify.

m = -8

So, our slope is -8. 

~Hope I helped!~ 
6 0
3 years ago
Graph the inequality on the axes below.
Elena L [17]
Should look something like that

3 0
3 years ago
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