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Dmitry_Shevchenko [17]
3 years ago
11

A square rug has an area of 81 square feet. What is the length of one side of the rug?

Mathematics
2 answers:
notka56 [123]3 years ago
7 0

Answer:

9

Step-by-step explanation:

81

\sqrt{81\\=9

to check work

9*9=81

Hope this helps!

Molodets [167]3 years ago
5 0

Answer:

3

Step-by-step explanation:

3*3*3*3=81

that's my answer

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There are 850 employees at a software company. The company’s CEO was interested in finding out if his employees prefer the new c
Fiesta28 [93]

Answer:

Hence the best estimate is population with correct option is 74% and

the value for x=148

Step-by-step explanation:

Given:

A sample of 200

Of which 148 prefer brand new coffee

To Find:

Which statement  is true?

Solution:

n=200

x=148

remaining 52 prefer old ones .

So  estimate population proportion,

p=x/n

p=148/200

p=0.74

p=74 %

Now, when x=52

p=x/n,

p=52/200

p=0.26

p=26%

There is no option for 52 and 24 %

Hence x=148 and p=74%.

8 0
2 years ago
Read 2 more answers
A shelter house has a floor area of 400 square feet. If three identical shelter houses are built, what is the combined floor are
ss7ja [257]
It would be 1,200 because you just have to multiply 400 times 3 hope it helped :)
6 0
2 years ago
Read 2 more answers
You ate three of the eight pizza slices. You paid $9.45 as your share of the cost of the pizza. Write a one step equation to fin
Tema [17]

Answer:

Step-by-step explanation:

you ate 3

you paid $9.45 for the 3

to find the cost of the whole pizza you need to know how much each slice costs so

9.45 / 3 = $3.15 a slice

so each slice is $3.15 and there are 8 slices and you need to know how much they cost altogether so

3.15 * 8 = $25.20

7 0
2 years ago
Read 2 more answers
Use linear approximation to estimate f (2.85 )given that f (3 )equals 2 and f prime (3 )equals 5.
Allisa [31]

Answer:

Step-by-step explanation:

Given that,

f(3) = 2

f'(3) = 5.

We want to estimate f(2.85)

The linear approximation of "f" at "a" is one way of writing the equation of the tangent line at "a".

At x = a, y = f(a) and the slope of the tangent line is f'(a).

So, in point slope form, the tangent line has equation

y − f(a) = f'(a)(x − a)

The linearization solves for y by adding f(a) to both sides

f(x) = f(a) + f'(a)(x − a).

Given that,

f(3) = 2,

f'(3) = 5

a = 3, we want to find f(2.85)

x = 2.85

Therefore,

f(x) = f(a) + f'(a)(x − a)

f(2.85) = 2 + 5(2.85 - 3)

f(2.85) = 2 + 5×-0.15

f(2.85) = 2 - 0.75

f(2.85) = 1.25

5 0
3 years ago
Pleasee help me I just wanna go to sleep already :c
Lunna [17]

Answer: 17 is A and 18 is B

Used a calculator to add them all up! Get some sleep hope this helps.

17) 2(3x8)+2(3x6)+2(6x8) = 180

18) 4(9x2)+2(9x9) = 234

8 0
2 years ago
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