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vivado [14]
4 years ago
9

You are planning a training program to run a marthon. You start your program by running 5 miles per week and want to add 3.9 mor

e miles each week.
y = 3.9 + 5x
Graph the equation

Mathematics
1 answer:
sashaice [31]4 years ago
3 0

Answer:


Step-by-step explanation:


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445.76×9.634 is approximately equal to
Shalnov [3]

Answer:

Step-by-step explanation:

It sounds like you are asked to estimate it. That's a very valuable skill.

9.634 is about 10

445.76 is about 446

So an approximate answer is 446 * 10 = 4460

How close is that to the actual answer? Let's find out.4294.45

On a test, if you get an answer like 4460 in your head, and your calculator says 4294.45, you are pretty certain that you have done the question correctly.

8 0
4 years ago
Can someone help me with this?​
skelet666 [1.2K]
The answers are C, C, B

6 0
3 years ago
5. (6 marks) Use mathematical induction to prove that for each integer n ≥ 4, 5^n ≥ 2^2n+1 + 100.
Tju [1.3M]

Step-by-step explanation:

We will prove by mathematical induction that, for every natural n\geq 4,  

5^n\geq 2^{2n+1}+100

We will prove our base case, when n=4, to be true.

Base case:

5^4=625\geq 612=2^{2*4+1}+100

Inductive hypothesis:  

Given a natural n\geq 4,  

5^n\geq 2^{2n+1}+100

Now, we will assume the induction hypothesis and then use this assumption, involving n, to prove the statement for n + 1.

Inductive step:

2^{2(n+1)+1}+100=2^{2n+1+2}+100=\\=4*2^{2n+1}+100\leq 4(2^{2n+1}+100)\leq 4*5^n

With this we have proved our statement to be true for n+1.  

In conlusion, for every natural n\geq4.

5^n\geq 2^{2n+1}+100

7 0
3 years ago
Wat is 2 1/3 in a decimal
Phantasy [73]
2 1/3= 2.333333333
hopes this helps
6 0
3 years ago
Read 2 more answers
Math Exit Slip: Value-Mart is having a back -to - school sale on pencils. A pack of of 20 sells for $7.97, whereas a 12-pack cos
Whitepunk [10]

Answer: The pack of 20.

Step-by-step explanation:

It is because a pack of 20 sells for 2.50 for each pencil, and the pack of 12 sells for 2.51 per pencil, so that means the pack of 20 is cheaper.

4 0
3 years ago
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