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liberstina [14]
2 years ago
11

Evaluate the expression when n=6 n² – 5n-2

Mathematics
2 answers:
eduard2 years ago
8 0

Answer:

4

Step-by-step explanation:

(6^2) -5(6) -2 =4

that is the answer

mylen [45]2 years ago
5 0

Step-by-step explanation:

6^2 - 5×6 - 2

= 36 - 30 -2

= 4

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At what rate of interest whould rs 1800 amount to 2500 in 2 years
Trava [24]
A = P(1+r)^t
A = amount made after the specified time
P = original amount of money
r = rate
t = time

2500 = 1800 (1 + r)^2
2500/1800=(1800(1+r)^2)/1800
1.3888 = (1+r)^2
1.17851 = (1 +r)
1.17851 - 1 = r
Rate = .17851
7 0
2 years ago
In a recent survey 5/8 of the Siamese cat said that they didn't mind having a lap up water from a bowl but another 3/16 admitted
maksim [4K]

Answer:

48 Siamese cats were surveyed

Step-by-step explanation:

Let x represent the total number of surveyed Siamese cats.

Since 5/8 of the Siamese cat said that they didn't mind having a lap up water from a bowl , hence:

Number of cats who lapped = (5/8)x

Also, 3/16 admitted they would have preferred to use a straw:

Number of cats who used straw = (3/16)x

Taking into consideration that 39 of the Siamese cats gave one of those two answers:

(5/8)x + (3/16)x = 39

(13 / 16)x = 39

x = 39 * 16 / 13

x = 48

48 Siamese cats were surveyed

5 0
2 years ago
19 - 5 (2m - 3) + 9m = 36
sergij07 [2.7K]

Answer:

m = -2

Step-by-step explanation:

For this problem, we will simply solve the equation for m.

19 - 5 ( 2m - 3 ) + 9m = 36

19 - 10m + 15 + 9m = 36

34 - m = 36

-m = 2

m = -2

Hence, for this equation to be true, m must equal negative 2.

Cheers.

6 0
3 years ago
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Answer:

C

Step-by-step explanation:

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