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Reil [10]
3 years ago
7

I NEED HELP PLEASE, THANKS! :)

Mathematics
1 answer:
maxonik [38]3 years ago
6 0

Answer:

Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

Step-by-step explanation:

This is Principle of Mathematical Induction ---PMI

Step 1: Verify that Sn is valid for n =1

Step 2:Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

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Sladkaya [172]
The answer you are looking for is A. 7.00. The cost of the item should be $6.00 as the tax should be $0.48. Making the total cost of the item $6.48.
7 0
3 years ago
Evaluate the given expression if x = 25, y = 10, w = 11, and z = 18.<br><br> (see the image)
hammer [34]

Answer:

D

Step-by-step explanation:

So we have the expression:

(x-y)^2+10wz

And we want to evaluate it when x=25, y=10, w=11, and z=18.

So, substitute these values for the variables:

=(25-10)^2+10(11)(18)

First, subtract within the parentheses:

=(15)^2+10(11)(18)

Square 15:

=225+10(11)(18)

Now, multiply the terms on the right. 10 times 11 is 110:

=225+110(18)

Multiply:

=225+1980

Finally, add:

=2205

So, our answer is D.

And we're done!

8 0
3 years ago
Read 2 more answers
HELP ASAP!!!! PLSS!!!
Ne4ueva [31]

Answer:

9/32

Step-by-step explanation:

3/4 of 3/8 is 0.28125 or 9/32

3 0
3 years ago
Read 2 more answers
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
uysha [10]

Answer:

C

Step-by-step explanation:

Hello There!

so

y = -5x^2 + 8x +4

where y = height of ball and x = seconds after ball was thrown

The plus 4 is the y intercept and because y equals height of ball the 4 would represent the height that the ball was thrown at

<em>~TheMathWiz</em>

3 0
3 years ago
What does 4×0.2=? equal 15 POINTS
zlopas [31]
<span>What does 4×0.2 = ?
</span>
The answer is 0.8
6 0
3 years ago
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