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IgorC [24]
3 years ago
6

The water level in a vat changed by −9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vat's wa

ter level per hour?
Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0
-9.9 / 2.25 = -4.4 inches per hr
icang [17]3 years ago
6 0

Answer:

-9.9/2.25= -4.4 inches

Step-by-step explanation:

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Which letter has neither line symmetry nor rotational symmetry?
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In the given circle the radius is 9 cm what is its diameter?​
-Dominant- [34]

Answer:

18

Step-by-step explanation:

The diameter is equal to twice the length of the radius

So if the radius is 9 then the diameter is 9 * 2 = 18

5 0
2 years ago
Malcolm had a 20% discount coupon for camping equipment. He bought a camp stove for $39.96. What was the original price of the c
Fudgin [204]

Answer: $ 50 after rounding to nearest cent

Step-by-step explanation:

%age                            price

80                                 $39.96

100                                  x

using cross product rule

x=39.96*100/80= $49.95

8 0
3 years ago
Solve 3/4x = 7 28/ 3​
Olegator [25]

3/4x=728/3

x=728/3×4/3

x=32.556

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6 0
3 years ago
An Ontario lottery has the following structure, the first person drawn from the names wins $15 000. Each subsequent person drawn
elixir [45]
  • The first four terms are : 15000, 14850, 14700, 14550
  • a = 15000 ; d = -150
  • The explicit formula is : a_{n} =  - 150n \:  + 15150

The first term of the sequence, a = 15,000

Each subsequent winner gets $150 less

Hence, the common difference, d = - $150

The first four terms :

First term, a1 = $15000

Second term, a2 = a - d = $15000 - $150 = $14850

Third term, a3 = a2 - d = $14850 - $150 = $14700

Fourth term, a4 = a3 - d = $14700 - $150 = $14550

a, for the sequence is the first term = $15000

d, for the sequence is the common $150 (difference between successive wins).

Explicit formula for the general term :

a_{n} \:  = nd \: + c

For n = 1

15000 = 1( - 150)  + c

15000 =  - 150 + c

c = 15150

Hence, the explicit formula for the nth term is :

a_{n} \:  =  - 150n \:  + 15150

Learn more : brainly.com/question/12006170

3 0
2 years ago
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