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Vinvika [58]
2 years ago
14

Helpppppp meee please

Mathematics
2 answers:
a_sh-v [17]2 years ago
7 0

Answer:

a) $14.45 b) 1.45x+1.2y

Step-by-step explanation:

5*1.45+6*1.2=14.45

Volgvan2 years ago
4 0

Answer:

7.25 and 7.20

Step-by-step explanation:

I calculated and got it correct

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Question 14 of 14
dimulka [17.4K]
ANSWER: A

I THINK IF U GOT IT WRONG IM SO SORRY IT WOULD BE MY FAULT HAVE A GOOD DAY! EAT AND DRINK WATER
6 0
2 years ago
Work out the surface area of this sphere.<br> Give your answer to 1 decimal place.
bearhunter [10]

Answer:

452.4

Step-by-step equation:

surface area of a sphere formula= 4πr²

plug 6 in for r

4π(6)² =452.389 rounded  to 452.4

7 0
3 years ago
Pls help meeee!!! I have benchmarks monday
quester [9]

Answer:

therefore the correct options are:

B. the equation is an exponential decay equation.

F. $28000 represents the initial cost of an automobile that depreciates 27% per year  over the course of t years.

Step-by-step explanation:

i) the cost of an automobile is given by the equation is

 C(t) = 28000\times(0.73)^{t}, where C(t) represents the cost and t represents the time in years

ii) the above equation is an exponential decay equation. It is a decay equation because growth rate is 0.73 which is less than 1 and greater than zero.

ii) when t = 0 then the cost is C(0) = 28000 represents the initial cost.

iii) from the equation in i) we can understand that the cost depreciates 27% per year over the course of t years.

therefore the correct options are:

B. the equation is an exponential decay equation.

F. $28000 represents the initial cost of an automobile that depreciates 27% per year  over the course of t years.

5 0
3 years ago
A pair of numbers that has the sum of 12 and a difference of eight
anygoal [31]

Answer:

2 ; 10

Step-by-step explanation:

a + B = 12

a - B = 8

a = 12 - B

(12 - B) - B = 8

a = 12 - B

12 - 2B = 8

B = 2

A = 10

7 0
3 years ago
Which fraction is equivalent to 50%? (in simplest fraction form) A) 1 2 B) 1 4 C) 2 5 D) 4 5
Tatiana [17]

Answer:

1/2 is equivalent to 50%

Step-by-step explanation:

In order to convert a fraction to a percentage you divide the numerator (Top number of a fraction) by the denominator (Bottom number of a fraction), multiply by 100, and add a percentage sign.

So lets try that with our first answer option A) 1/2:

1 divided by 2 = 0.5

0.5 x 100 = 50

50%

So we know that 1/2 is equivalent to 50%

8 0
3 years ago
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