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Vesna [10]
3 years ago
12

Marc is sending his sister a parcel through the post. the parcel weighs 2.451kg. round this to 1 decimal place​

Mathematics
1 answer:
mestny [16]3 years ago
4 0

Answer:

2.5 kg

Step-by-step explanation:

2.451

Find the number in the tenth place 4 and look one place to the right for the rounding digit 5.

Round up if this number is greater than or equal to 5 and round down if it is less than 5.

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What is the present value of ​$3,000 per year for 9 years discounted back to the present at 10 ​percent?
Studentka2010 [4]

Answer:

$17,277.07

Step-by-step explanation:

Present value of annuity is the present worth of cash flow that is to be received in the future, if future value is known, rate of interest is r and time is n then PV of annuity is

PV of annuity = \frac{P[1-(1+r)^{-n}]}{r}

                      = \frac{3000[1-(1+0.10)^{-9}]}{0.10}

                      = \frac{3000[1-(1.10)^{-9}]}{0.10}

                      = \frac{3000[1-0.4240976184]}{0.10}

                      = \frac{3000(0.5759023816)}{0.10}

                      = \frac{1,727.7071448}{0.10}

                      = 17,277.071448 ≈ $17,277.07

3 0
3 years ago
There are 1,400 students in a school. A random sample of 50 students contains 7 students with birthdays in March. About how many
Zolol [24]
A
Explanation
divide 1,400 /50 give you 28.
3 0
3 years ago
What is the problem 3/2-8=7
julia-pushkina [17]

Hey there  

The answer is   12/7   Thank you        

OFFICIALLYSAVAGE2003

5 0
4 years ago
Pls help
Bogdan [553]

9514 1404 393

Answer:

  (a) 2 * 2 * 2 * 2 x 5

Step-by-step explanation:

  80 = 16×5 = 2⁴×5 = 2·2·2·2×5

7 0
3 years ago
Solve the equation |5-x|=2
Svet_ta [14]
Hi,

Work:

Equation;

|5 - x|  = 2

Rewrite the absolute value equation as two separate equations, one positive and the other one negative.

5  - x = 2 \\ 5 - x =  - 2

Solve both equations for x.

x = 3 \\ x = 7

Final solutions:

x1 = 3 \\ x2 = 7

Hope this helps.
r3t40
4 0
4 years ago
Read 2 more answers
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