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Andrew [12]
4 years ago
9

On a math​ test, Ana writes 9 as the solution to 3 square root 27

Mathematics
2 answers:
Anika [276]4 years ago
7 0

Answer:

It should be 9√3

Ana probably got confused about the difference between square root and cube root.

Step-by-step explanation:

To get the square root of 27, factor it as √9*3 Then pull out the square root of 9 which is 3. So you are left with 3√3.

That is=5.196152423

Then multiply (3)(3√3) to get 9√3 which is 15.58845727

Lena [83]4 years ago
3 0

Answer:

15.5884572681

Step-by-step explanation:

seems like that is 3 square root 2

for an explanation, she couldve done 27 divided by 3 and got 9

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none of the above

Step-by-step explanation:

0.89 times 18 = $16.02

5 0
3 years ago
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Write a word problem that you can solve using multiples to estimate the quotient. Include a solution
hichkok12 [17]

Let us consider,

The problem: 'Find two numbers between which the quotient of 50 ÷ 7 lies'.

Solution: We will solve this in two steps.

Step 1: Form a table of multiples of 7.

Counting number               Multiple of 7

          1                                       7

          2                                     14

          3                                     21

          4                                     28

          5                                     35

          6                                     42

          7                                     49

           8                                    56

Step 2: Use the table to find the multiples closest to 50.

Since, 49 = 7 × 7 and 56 = 7 × 8

Thus, 50 lies between 49 and 56.

Then, the quotient is either 7 or 8.

As 50 is closest to 49.

Hence, the quotient of 50 ÷ 7 is 7.

3 0
3 years ago
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A sweatshirt originally priced at $28.00 is on sale for $22.00. What is the percent of decrease, rounded to the nearest whole nu
Masteriza [31]

Answer:

B 21%

Step-by-step explanation:

Decrease = original price minus new price

divide the decrease by the original amount and then multiply by 100.


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.2142857 x 100 = 21.42857%

21.42857% rounded = 21%

7 0
4 years ago
Which graph represents y=^3{x
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I need to see a photo of the graph to choose the correct answer
5 0
3 years ago
If y=8 when x=3 when x=45
Veronika [31]

Answer:

The value of y for x = 45 is 120 .

Step-by-step explanation:

Given as :

Let The variables y and x are proportional to each others

I,e y ∝ x

Now , y = k x

So, for x = 3  ,  y = 8

I.e  8 = k × 3           ........1

∴  k = \frac{8}{3}

<u>Similarly </u>

for x = 45 , y = k × 3

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Now, putting the value of k  in eq 2

So,  y =  \frac{8}{3} × 45

I.e y = \frac{8\times 45}{3}

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So, for x = 45 , y = 120

Hence The value of y for x = 45 is 120 . Answer

5 0
3 years ago
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