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3 years ago

What is the area of a square that measures 3.1 m on each side?

Mathematics

1 answer:

jasenka [17]3 years ago

8 0

Answer:

The area of a square is S^2 where S is the length of the side.

Area = 3.1^2 = 3.1 x 3.1 = 9.61 m^2

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What is the conjecture sentence for the pattern 1, ,4, 9 ,16?

nexus9112 [7]

Answer:

Square numbers

Step-by-step explanation:

if 1 is squared, you get 1.

if 2 is squared, you get 4.

if 3 is squared, you get 9.

if 4 is squared, you get 16.

And thus square numbers.

8 0

3 years ago

PLEASE ANSWER PART 2

labwork [276]

Answer:

it is 360

Step-by-step explanation:

all you do is subtact the first number by the second number

7 0

3 years ago

there are 90 girls in third year, 25 of whom Study biology what percentage of third year girls study biology

Shtirlitz [24]

Answer:

27.7% of third year girls study biology

5 0

2 years ago

4. If DF = 9x - 39, find EF. Help I’m so confused!!!!

topjm [15]

Answer:

EF =58

Step-by-step explanation:

from the illustration,

EF =DF - DE

given that DF =9x-39 , DE =47 EF=3x +10

substitute them into the formula,

3x +10=9x-39 - 47

solving for x

3x +10 =9x -86

grouping like terms

3x - 9x =-86 -10

-6x=-96

dividing through by -6

 $\frac{ - 6x}{ - 6} = \frac{ - 96}{ - 6}$ 

 $x = \frac{96}{6}$ 

 $x = 16$ 

but EF=3x+10

substitute x=16 into it to get the EF

EF= 3(16)+10

EF=48+10

EF=58

6 0

3 years ago

Read 2 more answers

If there are 16 red bobbles for every 2 green dandees, how many red bobbles are there in 20 green dandees?

kvasek [131]

Answer:

160

Step-by-step explanation:

20 / 2 = 10

10 * 16 = 160

8 0

3 years ago