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dimaraw [331]
3 years ago
8

1. What is 25% of 50? ____- is ___ % of Solution:_____

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0
12.5 - is 25% of
Solution: 50
You might be interested in
1.
Levart [38]

Answer: 7

Step-by-step explanation: its correct, trust me

6 0
2 years ago
Read 2 more answers
The 7 in 72 represents how many times the value of the 7 in 78 is what ?
earnstyle [38]

Answer:

One time

Step-by-step explanation:

In both the numbers 72 and 78, the place value of 7 is 70.

Hence, 7 in 72 represents one time the value of the 7 in 78.

7 0
3 years ago
A square matrix A is said to be idempotent iff A2 = A. (i) Show that if A is idempotent, then so is I − A. (ii) Show that if A i
muminat

Answer:

Step-by-step explanation:

Given that A is a square matrix and A is idempotent

A^2 = A

Consider I-A

i) (I-A)^2 = (I-A).(I-A)\\= I^2 -2A.I+A^2\\= I-2A+A\\=I-A

It follows that I-A is also idempotent

ii) Consider the matrix 2A-I

(2A-I).(2A-I)=\\4A^2-4AI+I^2\\= 4A-4A+I\\=I

So it follows that 2A-I matrix is its own inverse.

7 0
3 years ago
A flask containing 9.5 mL of a liquid weight 157.2 g with the liquid in the flask and 148.4 g when empty calculate the density o
agasfer [191]
Density = Mass/Volume
Mass = 152.7 gVolume = 9.5 mL
Since the mass gram correspond to the volume mL, then we can apply the formula:
Density = 152.7/9.5 = 16.074 g/mL (Or kg/L)
4 0
3 years ago
If n-2 = 1/16, then n could be
kobusy [5.1K]
N-2= 1/16
⇒ n= 1/16+ 2 (inverse operation)
⇒ n= 2+ 1/16
⇒ n= 2 1/16

Final answer: n= 2 1/16.
5 0
3 years ago
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