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lapo4ka [179]
3 years ago
11

Evaluate the expression described below if the number is 4. the difference between a number squared and the number.

Mathematics
2 answers:
elena55 [62]3 years ago
5 0
A. -4
b. 0
c. +8
d. +16
vitfil [10]3 years ago
4 0

Answer:

C) 12.

Step-by-step explanation:

Given  : if the number is 4. the difference between a number squared and the number.

To find : Evaluate the expression described below.

Solution : We have given

Number = 4 .

According to question :

difference between a number squared and the number.

Number squared = (4)².

Number =  4

Then Difference =  (4)²  - 4.

Difference =  16 - 4.

Difference =  12.

Therefore, C) 12.

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the diameter of the circle base of a storage container 18.8 m circumference of the base is approximately 59 m which of these cou
ozzi

Answer:

Estimate the value of pi =3.14

Step-by-step explanation:

The diameter of the circle base of a storage container 18.8m

The diameter of the circle 'd' = 2r

Given data  'd' = 2r = 18.8m

The circumference of the circle = 2πr

Given data of circumference of the circle = 59 m

given        2πr = 59

                2r(π) = 59

                18.8 π = 59 ( by using 2r =18.8)

                  π = 59/18.8

                   π  = 3.13829

                    π  = 3.14

<u>Conclusion</u>:-

Estimate the value of pi =3.14

         

6 0
3 years ago
What's the surface area ?
Morgarella [4.7K]

Answer:

ans = 112

Step-by-step explanation:

Hope it will help

please mark as brainlists

3 0
2 years ago
Solve for x ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎ ‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎​
inysia [295]

Answer:

12.699

Step-by-step explanation:

i think if you do 26-22.4, you get the leg of the small triangle which is 3.6

then do Pythagorean theorem

3.6^2 + x^2 = 13.2^2

12.96 +x^2 = 174.24

174.24-12.96

x^2 = 161.28

take square root

x = 12.699

6 0
2 years ago
the ratio of students at a school is 3 boys for every 4 girls. If there are 52 girls how many boys are in the school
vova2212 [387]
There are 39 boys. 
First you divide 4 into 52 because there are 3 boys for 4 girls. 
Then you take the quotient, 13, and multiply by 3.
3 0
4 years ago
Need help with finding the surface area and volume for this please thanks I just need step by step help so I can understand it m
Allisa [31]

Answer:

144

Step-by-step explanation:

First, do the top and bottom. The top is 2*4*3 or 24, and the bottom is 6*4 or 24.

Now, do the sides. It is a staircase that you can split into 6 2x2 blocks, or 6*4=24. Do the same with the other side to get 24 again.

Now for the front and back. This is 2*4*3 and 6*4 again, or 24 and 24.

Now you have 6 24's so just multiply these and get 144.

6 0
3 years ago
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