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4 years ago

What apply to pi? Rational Irrational Real Integer pls help

Mathematics

1 answer:

Tema [17]4 years ago

4 0

Pi is an irrational number. it can’t be written as a fraction, and pi is infinite

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The formula for the area of a trapezold with altitude k and bases m and n is A=k/2(m+n)

Ghella [55]

Answer:

$m=\frac{2A-kn}{k}$

Hence, option C is true.

Step-by-step explanation:

Given the expression

$A=\frac{k}{2}\left(m+n\right)$

Solving for 'm'

$A=\frac{k}{2}\left(m+n\right)$

Flip the equation

$\frac{k}{2}\left(m+n\right)=A$

Expanding by applying the distributive law: $a\left(b+c\right)=ab+ac$

$\frac{1}{2}km+\frac{1}{2}kn=A$

Add (-1)/2 × kn to both sides

$\frac{1}{2}km+\frac{1}{2}kn+\left(-\frac{1}{2}kn\right)=\left(-\frac{1}{2}kn\right)+A$

simplify

$\frac{1}{2}km=-\frac{1}{2}kn+A$

Divide both sides by k/2

$\frac{\frac{1}{2}km}{\frac{k}{2}}=\frac{-\frac{1}{2}kn+A}{\frac{k}{2}}$

$m=\frac{2A-kn}{k}$

Therefore,

$m=\frac{2A-kn}{k}$

Hence, option C is true.

7 0

3 years ago

Solve the equation using the method of completing the square.

crimeas [40]

Answer:

D) x = ± 2√5 - 4

Step-by-step explanation:

2x² + 16x - 8 = 0

Yah, i plugged this into m a t h w a y

(all of ur questions pretty much can use this app or website)

4 0

3 years ago

Read 2 more answers

What math property is 8 times 1/8

Dmitry [639]

Answer:

i think it is the multiplicative identiy property

Step-by-step explanation:

5 0

3 years ago

A problem states: "There are 7 more girls than boys in a club. There are 23 members in the club in all. How many girls are there

dlinn [17]

Answer:

Step-by-step explanation:

Number of boys = g - 7.

g - 7 + g = 23

2g = 30

g = 15.

The are 15 girls in the class.

3 0

3 years ago

Read 2 more answers

Question 20 need an answerw

max2010maxim [7]

Which one is question 20??

8 0

3 years ago