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leonid [27]
2 years ago
10

TO BE ANSERED ASAP If n = 4, then 9ˆ8 ÷ 9 n is equal to__________________.

Mathematics
2 answers:
natita [175]2 years ago
8 0

Answer:

1,195,742.25 (final answer since instructions did not include rounding up or anything)

Step-by-step explanation:

n = 4

The given expression is:

9^8 ÷ 9n

USE PEMDAS order of operations and solve:

9^8 ÷ 9n

= 43046721 ÷ 9n

Substitue n with 4 and solve:

43046721 ÷ 9(4)

= 43046721 ÷ 36

= 1,195,742.25

adell [148]2 years ago
3 0

Answer:

9^4

Step-by-step explanation:

We know that a^b ÷ a^c = a^ (b-c)

9^8 ÷ 9^4

9^(8-4)

9^4

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Help me on question 4 pls
sp2606 [1]

Answer:

d. 266cm^2

Step-by-step explanation:

SA=2lw+2lh+2hw

7 0
3 years ago
X2+6/5x+8/25<br> please help me.
Dmitriy789 [7]
The answer to your question is:

x^2 + 6/5x + 8/25;
4 0
3 years ago
-2x+4y= 12 3x+7y= 18 last one greatly appreciated
LenaWriter [7]

Value of x is \frac{-6}{13}\\ and y is \frac{36}{13}

Solution set is (\frac{-6}{13}\\, \frac{36}{13})

Step-by-step explanation:

We need to solve the system of equations given.

-2x+4y=12\\3x+7y= 18

Solving

Let:

-2x+4y=12\,\,eq(1)\\3x+7y=18\,\,eq(2)

Multiply eq(1) by 3 and eq(2) by 2 and add both

-6x+12y=36\\6x+14y=36\\-------\\26y=72\\y=\frac{72}{26}\\y=\frac{36}{13}

Putting value of y in equation 1

-2x+4y=12\\-2x+4(\frac{36}{13})=12\\-2x+\frac{144}{13}=12\\-2x=12-\frac{144}{13}\\-2x=\frac{12*13-144}{13}\\-2x=\frac{12}{13}\\x=\frac{-6}{13}\\

So, value of x is \frac{-6}{13}\\ and y is \frac{36}{13}

Solution set is (\frac{-6}{13}\\, \frac{36}{13})

Keywords: System of equations

Learn more about system of equations at:

  • brainly.com/question/9045597
  • brainly.com/question/3739260
  • brainly.com/question/13168205

#learnwithBrainly

7 0
3 years ago
Raul used the steps shown below to solve the equation. In which step did Raul make a mistake?
beks73 [17]
I think it’s step 2 or 3 I’m not sur
8 0
2 years ago
A circle is dialated with a scale factor of 2/3. what is the area of the new circle if the area of the original circle is 45 squ
Sveta_85 [38]
Original Circle Area = 45

A = pi * r^2

Plug in what we know:

45 = 3.14 * r^2

Divide 3.14 to both sides:

14.3312102 = r^2

Find the square root of both sides:

r = 3.78565849

Find 2/3 of this:

2/3 * 3.78565849 = 2.52377233

So this is the radius of the newly dilated circle.

A = pi * r^2

A = 3.14 * 2.52377233^2

A = 3.14 * 6.36942677

A = 20

So the area of the newly dilated circle is 20 square inches.
8 0
3 years ago
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