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Korvikt [17]
3 years ago
13

PLS HELP!! Will mark BRAINLEST if correct!!!!

Mathematics
1 answer:
IrinaK [193]3 years ago
7 0
<h2>ASA</h2><h2>the first answer for the second question angle JNK is congruent to angle KNJ</h2><h2 />
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A shopkeeper gains the selling price of 4 lemons by selling 20 lemons. Find the profit percent (Ans: 25%)​
Marta_Voda [28]

Answer:

Profit=4 lemons

Sp=20 lemons

Now,

Profit=SP-CP

4 =20-CP

CP=16 lemons

Again

Profit%=Profit/CP ×100 %

=4/16 × 100%

=25%

4 0
2 years ago
Can you find a strategy for splitting any number so that you always get the largest product?
Alex

9514 1404 393

Answer:

  split the number into equal pieces

Step-by-step explanation:

Assuming "splitting any number" means identifying parts that have the number as their sum, the maximum product of the parts will be found where the parts all have equal values.

We have to assume that the number being split is positive and all of the parts are positive.

<h3>2 parts</h3>

If we divide number n into parts x and (n -x), their product is the quadratic function x(n -x). The graph of this function opens downward and has zeros at x=0 and x=n. The vertex (maximum product) is halfway between the zeros, at x = (0 + n)/2 = n/2.

<h3>3 parts</h3>

Similarly, we can look at how to divide a (positive) number into 3 parts that have the largest product. Let's assume that one part is x. Then the other two parts will have a maximum product when they are equal. Their values will be (n-x)/2, and their product will be ((n -x)/2)^2. Then the product of the three numbers is ...

  p = x(x^2 -2nx +n^2)/4 = (x^3 -2nx^2 +xn^2)/4

This will be maximized where its derivative is zero:

  p' = (1/4)(3x^2 -4nx +n^2) = 0

  (3x -n)(x -n) = 0 . . . . . . . . . . . . . factor

  x = n/3  or  n

We know that x=n will give a minimum product (0), so the maximum product is obtained when x = n/3.

<h3>more parts</h3>

A similar development can prove by induction that the parts must all be equal.

6 0
3 years ago
laura deposits $2000 into an account that pays simple interest at a rate of 2% per year. How much interest will she be paid in t
vladimir2022 [97]
She will be paid $2,240.

The equation to use for this is: A=P(1+rt)

More specifically:
A = 2000(1 + (0.02 × 6)) = 2240
A = $2,240.00
5 0
3 years ago
Miguel’s teacher asked him to color 4/8 of his grid. He must use 3 colors: red, blue, and green. There must be more green sectio
wolverine [178]
Color 2/8 of grid in green, 1/8 grid in red and 1/8 grid in blue
7 0
3 years ago
Ricardo throws a stone off a bridge into a river below how many seconds after being thrown will the stone reach its maximum heig
pychu [463]

Answer:

0

Step-by-step explanation:

the highest the stone will ever be is in your hand after you throw it the rock will automatically start falling more and more down towards the river which is below you.

Hopefully this helps!

8 0
3 years ago
Read 2 more answers
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