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guajiro [1.7K]
3 years ago
10

Which number doesn't belong? 9 16 25 43

Mathematics
2 answers:
Alex3 years ago
8 0

Answer:

43

Step-by-step explanation:

Square root of 9 is 3

Square root of 16 is 4

Square root of 25 is 5

Square root of 43 is not a whole number.

Sauron [17]3 years ago
8 0

Answer:

43

Step-by-step explanation:

The first three numbers are perfect squares:

9 = 3²

16 = 4²

25 = 5²

43 is not a perfect square.

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Can anyone answer this please? I need help
BARSIC [14]

Answer:

84 cm squared, 30 cm squared, 18 cm squared

Step-by-step explanation:

Formula for triangle area= 1/2 Base * Height

Area for triangle ABD= 1/2 (12cm)*(14cm)

                                   =84 cm squared

Area for triangle BC(orange triangle)= 1/2 (6cm)*(10cm)

                                   =30 cm squared

BC=  half of BD

Area for triangle CD(Green  triangle)= 1/2 (6cm)*(4cm)

                                   =12 cm squared

4 0
3 years ago
Read 2 more answers
Please help me BRAINLIEST+STARS+THANKS+POINTS
LUCKY_DIMON [66]

Hello, well there are a few ways to write this. Here is one outlook.


Bruce bought three boxes of tiles with the same number of tiles in each.

x = number of tiles

3 = number of boxes

3x = total number of tiles.

Make note, the problem is asking for an expression for how many tiles he used and not the total number of tiles he has. Anyways, the problem then tells us he had to go get 3 more boxes but he used only 2 tiles out of the last box. So he used 2x + 2 tiles We put this together and we have

3x + 2x + 2

5x + 2

Number of tiles Bruce used = 5x + 2


We do the same for Felicia:

She gets 5 boxes, which = 5x. Then she had to go back and just get 5 tiles. So we have:

5x + 5

Number of tiles Felicia used = 5x + 5

7 0
3 years ago
Estimate the minimum number of subintervals to approximate the value of Integral from negative 3 to 3 (2 x squared plus 9 )dx wi
vichka [17]

Answer:

The value of n for (a) n=425. (b) n=0.

Step-by-step explanation:

Given integration is,

\int_{-3}^{3}f(x)=\int_{-3}^{3}(2x^2+9)dx

(a) For Trapezoidal Rule : Composite error is,

E_T=-\frac{(b-a)^3}{12n^2}f''(x_m)

Where, f''(x_m)=greatest value of |f''(x)|= |4|=4, a=-3, b=3. Therefore to find the minimum number of subinterval,

|E_T|\leq | \frac{(b-a)^3}{12n^2}f''(x)||

\leq \frac{4(-3-3)^3}{12n^2}

=\frac{72}{n^2}

According to the question, we must choose n such that,

\frac{72}{n^2}

\implies n>424.2640686

So we can take n=425.

(b) For Simpson 1/3 rule : Composite error is,

E_S=-\frac{(b-a)^5}{180n^4}f^{(iv)}(x_m)

where, f^{(x_m)}=\textit{greatest value of} |f^{(iv)}(x)|

In this problem f^{(iv)}(x)=0, so that,

|E_S|\leq 0

that is there exist no error. So n=0.

6 0
3 years ago
Answered • expert verified
Sergio [31]

Answer:

<em>Good Luck!</em>

Step-by-step explanation:

3 0
3 years ago
Help! Please:) Amd Thank you!!!
Mrrafil [7]
They get 2/3 because 2 divided by 3=2/3.
8 0
3 years ago
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