If a square has an area of 81 square units how long is each side?

Answers

Answer 1

Answer: $A=81 \n \n A = s^2 \n \n s^2 = 81 \n \ns=√(81) \n \ns= 9 \n \n Ansewr : \ each \ side \ is \ 9 \ units \ on \ each \ side$

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If 30 percent of a numbers equlas 8 find 90 percent of that number
Please help I need help
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Identify the type of transformation given the rule V(x, y) = (x, y + 4).

Answers

Hello,

translation of 4 units verticaly upside.

Answer:

a translation

Step-by-step explanation:

simply because you are just adding and subtracting

What is the graph line for this problem?
x+3y=9

Answers

$x+3y=9\ \ \ \Rightarrow\ \ \ 3y=-x+9\ \ \ \Rightarrow\ \ \ y=- (1)/(3) x+3\n\nx=0\ \ \ \Rightarrow\ \ \ y=- (1)/(3) \cdot0+3=0\ \ \ \Rightarrow\ \ \ point:\ (0;3)\n\ny=0\ \ \ \Rightarrow\ \ \ x+3\cdot0=9\ \ \ \Rightarrow\ \ \ x=9\ \ \ \Rightarrow\ \ \ point:\ (9,0)$

Fie sirul de nr 7,17,21,28........ a) Aflati termenul de pa locul 2015 b) Aflati suma primilor 2015 termeni ai sirului Ajutati-ma , va rog!!!!!!

Answers

Answer:

Aflati suma primilor 2015 sirul de

Step-by-step explanation:

Answer:

That's correct ^^^

Step-by-step explanation:

(10 points)A certain regular polygon has sides of length 10 cm; its apothem is 12.1 cm. The polygon’s area is 484 cm². How many sides does the polygon have

Answers

There is a mathematical formula which relates these quantities, given by:

$A= (P* a)/(2)$

Using this, we have:

$A= (P* a)/(2) \n 484= ((10n)* 12.1 )/(2) \n \boxed {n=8}$

What is three -fifths of thirty

Answers

the answer is 18. 30 divided by 5 is 6. so 3 times 6 is 18.

what is three-fifths of thirty?
well we can look at this way easier by setting them both up with fractions
and since we don't know the numerator (the top number) for thirty we just put x in its place:)
3 x
----- -----
5 30

all we need to do is figure out what we multiplied by 5 to get 30
well lets just divide 30 by 5 ...
30 ÷ 5 = 6
so that means that we multiplied 6 to get 30
in order to get x we do the same to the top number of 3/5 so (3)
3 x 6 = 18 and thats what equals x!
so 3/5s of 30 is 18!
Answer = 18
hope this helps!
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How does the graph of y = sqrt(x) + 2 compare to the graph of the parent square root function

Answers

to move te function up z units, add zto the whole equation

from
y=sqrt(x) to
y=sqrt(x)+2

parenth function moved up 2 units
my hands are cold so I don't type well

The graph is a horizontal shift of the function two units to the left.

Given

The graph of the parent squareroot function is;

$\rm y= √(x) +2$

What is the horizontal shift?

The horizontal shift is obtained by determining the change being made to the x-value. The horizontal shift is C.

If the horizontal shift is positive, the shifting moves to the right.

If the horizontal shift is negative, the shifting moves to the left.

The square root parent function is,

$\rm y= √(x) +2$

There is a shift in positive x-direction 2 units.

When the constant is negative the shift is to the right in c units, and when the constant is positive (like in this case) the shift is to the left in c units.

Hence, the graph is a horizontal shift of the function two units to the left.

To know more about Horizontal Shift-click the link given below.

brainly.com/question/8740413

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Suppose customers in a hardware store are willing to buy N(p) boxes of nails at p dollars per box, as given by the following function.N(P) = 80 - 4p^2 ; 1 <= p <= 4. Find the average rate of change in the number of boxes of nails that customers are willing to buy (demand) for a change in price from $2 to $3.The average rate of change of demand for a change in price from $2 to $3 is ___ boxes per dollar.(Type an integer or a decimal.)I know the answer (-20) but I am not sure how to get it. Can you help?