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Ahat [919]
3 years ago
12

Give me the Answer:Explain ​

Mathematics
1 answer:
Naddika [18.5K]3 years ago
8 0

Answer:

n = -12

Step-by-step explanation:

- n/3 - 7 = -3

        +7     +7     (You add 7 on both sides to isolate the variable term)

-n/3 = -3 + 7

-n/3 = 4

  *-3    *-3    (You mult both sides by -3 and you’ll have the value for n)

n = -12

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If P is the incenter of JKL, find the measure of JLP
Snezhnost [94]

Answer:

<u>36°</u>

Step-by-step explanation:

> 1/2×180-(32+22)

> 1/2×180-(54)

> 90-54

> 36°

3 0
3 years ago
a disinfectant spray bottle says it eliminate 90% of bacteria with each application. you apply the disinfectant onve to a counte
Novay_Z [31]
Well, I had to read twince to understand and Find out the answer!:D
XD
The answer would be 10% or 0%one of both
 :Because if you disinfected it once and what was left (if bottle is correct) is 10% of bacteria.
And you swiped it again, then there should be 0% of bacteria,because
 90%(first swipe)
=equals 10% left
 then another swipe
90% -the 10% left would mathamatically equal 10% Dont you think?
Im sure, not positive, but sure.
Am I right?
Hope this helped!
2SamSamySamantha

3 0
3 years ago
Use Pascal’s triangle and binomial expansion strategies (x+y)^3
mariarad [96]
<h2>1. Pascal’s triangle</h2>

Pascal's triangle is an strategy in math that stands for a triangular array we use to solve problems of binomial coefficients. This strategy is called after the mathematician Blase Pascal. It consists in number patters. So in this problem we need to solve this following Pascal’s triangle strategy:

(x+y)^3

The strategy consists in building a triangle. So 1 is the first and last numbers in each row of Pascal’s Triangle. Next, every other  number in each row is formed when you add the two numbers directly above the  number, as shown in Figure below. So:

(x+y)^3=x^3+3x^2y+3xy^2+y^3

<h2>1. Binomial Expansion</h2>

A binomial is a polynomial having two terms. So binomial expansion is a method that stands for a formula that gives us a quick method of raising a binomial to a power. So, for n=3, the binomial expansion can be written as:

(x+y)^3=x^3+3x^2y+3xy^2+y^3

3 0
3 years ago
Cindy owns a rectangular lot that is 18 yards long and 45 feet wide.
k0ka [10]

Answer:

$3240

Step-by-step explanation:

First you need to find the area of that lot. Area of a rectangle = length x width. But you also have mixed units...yards and feet. Since the price of the sod is in square yards, we'll convert the 45 feet to yards. 3 feet = 1 yard, so divide 45 by 3, = 15 yards.

18 x 15 = 270 square yards

then you multiply that by the $12/square yard

270 x 12 = $3,240

Please lmk if you have questions

3 0
3 years ago
Read 2 more answers
Puppys mass 4500 grams kittens is 450,000milligrams who has the greater mass
skelet666 [1.2K]
The puppy has greater mass: 450,000 milligrams = 450 grams, and 450<4,500
4 0
3 years ago
Read 2 more answers
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