MATHEMATICS MIDDLE SCHOOL

How to

Simplify 243^1.2

Answers

Answer 1
Answer: 243^(1,2)=243^{1(2)/(10)}=243^{1(1)/(5)}=243^{1+(1)/(5)}=243^1\cdot243^(1)/(5)=243\sqrt[5]{243}\n\n=243\sqrt[5]{3^5}=243\cdot3=729
Answer 2
Answer:

Answer:729

Step-by-step explanation:

idk

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What is the answer to:
x + y = 4
Y= x+4
Using elimination

Answers

x + y = 4
y = x + 4

x + (x + 4) = 4
y = x + 4

2x + 4 = 4 
y = x + 4

2x = 4 - 4 
y = x + 4 

x = 0
y = 0 + 4

x = 0 
y = 4

Can someone tell me how the numbers 1.67,0.8 and 3.5 can make 6 you dont have too use the three 3 numbers just tell me how you got 6 with those numbers

Answers

Answer:

We can get 6, rounding 1.67 to the next tenth and adding 0.8 and 3.5

Step-by-step explanation:

Let's review the information given to us to answer the question correctly:

First number = 1.67

Second number = 0.8

Third number = 3.5

2. You don't have too use the three 3 numbers just tell me how you got 6 with those numbers.

6 = First number + Second number + Third number

Replacing with the values given, we have:

6 = 1.7 (Rounding to the next tenth) + 0.8 + 3.5

6 = 2.5 +3.5

6 = 6

We can get 6, rounding 1.67 to the next tenth and adding 0.8 and 3.5

What is 8/30 30/48 20/24 24/27 and 21/28 in simplist form

Answers

the simplest forms of all of these fractions are 
1. 4/15
2.15/24
3.5/6
4.24/27
5.3/4
hope this helps you again:b

A expression for x²+ 8x + 15

Answers

(x+5) (x+3) if i am correct.. I dunno for sure

What do you notice about pears of surfaces of a rectangular prism that have the same areas?Plz hurry up!!!

Answers

A cube is a rectangular prism where all its sides are the same. The formula to find the surface area of a rectangular prism is A = 2wl + 2lh + 2hw, where w is the width, the l is the length, and the h is the height.

What is 2(n+5)=-2 showing work

Answers

2(n + 5) = -2

First, our goal to this problem is to get the variable (n) and an unknown number on each side. To start off, we can divide both sides by 2.
n + 5 = -(2)/(2)

Second, we can go ahead and cancel 2 out, which will replace it with a -1.
n + 1 = -1

Third, our next step will to be to subtract 5 from each side.
n = -1 - 5

Fourth, our last step is to simplify -1 - 5. This is quite simple. -1 - 5 = -6, so -6 is what the variable (n) equals. 
n = -6

Answer: \fbox {n = -6}
Simplify:
2n+10=-2

Subtract 10 from both sides
2n+10-10=-2-10
2n=-12

Divide both sides by 2
2n/2=-12/2

n=-6
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