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Galina-37 [17]
3 years ago
11

10+3(2xz+3y)2xz what's the answer.

Mathematics
1 answer:
mamaluj [8]3 years ago
3 0
10+3(2xz+3y)\cdot 2xz=10+(6xz+9y)\cdot 2xz=\\ \\=10+12x^2z^2+18xyz
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I do not understand this at all, can someone please help me with the steps in each question
Mandarinka [93]

Answer:

285 min

275 min

chi

tie

Step-by-step explanation:

swim - 1.5 km

bicycle ride - 40 km

run - 10 km

1) Alexandra

swim time = distance / velocity = 1.5 / 5 = 0.3 hr = 18 min

transition 1 time = 4 min

cycling time = distance / velocity = 40 / 15 = 2.6666667 hr = 160 min

transition 2 time = 3 min

run time = distance / velocity = 10 / 6 = 1.6666667 hr = 100 min

so total time to complete the triathlon is

= 18 + 4 +160 + 3 +100

= 285 min = 4.75 hrs

2) Chi

swim time = distance / velocity = 1.5 / 6 = 0.25 hr = 15 min

transition 1 time = 5 min

cycling time = distance / velocity = 40 / 15 = 2.6666667 hr = 160 min

transition 2 time = 5 min

run time = distance / velocity = 10 / 7.5 = 1.3333333 hr = 80 min

got flat tire that took 10 min to fix

so total time to complete the triathlon is

= 15 + 5 + 160 + 5 + 80 + 10

= 275 min

3) Alexandra won the race by 10 min

4)even though chi got flat tire , chi still won the race by 10 min,

if it took 20min to fix flat tire both their times would be 285 min and it would have been a tie.

6 0
2 years ago
After how many years will £6,000.00 yield a simple interest of £900.00 at 3%​
PilotLPTM [1.2K]

Answer:

add 1 Century to divide £6 000 000

7 0
2 years ago
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you have 4500 cubic centimeters of wax. how many cylindrical candles can you make from the wax if each candle is 15 cm tall and
ira [324]
Use the formula for the volume of a cylinder to work out how much wax you need to make one candle.

π×5²×15 = 375π

Then divide the amount of wax you have by the amount of wax you need to produce one candle to work out how many candles you can make.

4500 ÷ 375π = 3.82

However, you can't produce 82% of a candle, so you have to round down to 3 candles.
8 0
3 years ago
PLEASE HELP I HAVE TO SUBMIT IN AN HOUR
olga55 [171]

The answer is 3x - 1

                                                                 

3 0
2 years ago
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A 26' long painting is how many yards long?
mamaluj [8]

Answer:

The correct answer is <em><u>8 2/3yards</u></em>

8 0
2 years ago
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