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german
3 years ago
11

Pls help i keep getting it wrong.

Mathematics
1 answer:
Oksanka [162]3 years ago
3 0
Did yhu do 5 and 8 ?
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To practice for a competition, Sonya swam 0.94 kilometer in the pool each day for 3 weeks. How many meters did Sonya swim in tho
Strike441 [17]

Answer:

Distance swam by Sonya in 3 weeks = 19740 m

Step-by-step explanation:

To practice for a competition, Sonya swam 0.94 kilometer in the pool each day for 3 weeks.

Number of days in 1 week = 7

Number of weeks she swam = 3

Total number of days she swam = 3 x 7 = 21 days

Distance swam per day = 0.94 km

Total distance swam = Total number of days she swam x Distance swam per day

Total distance swam = 21 x 0.94 = 19.74 km = 19.74 x 1000 m = 19740 m

Distance swam by Sonya in 3 weeks = 19740 m

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3 years ago
A curve has equation<br> y = x²(x - 2)<br> Work out the gradient of the curve at the point (3,9).
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Answer:

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At x = 3  dy/dx = 3 * 9 - 4 * 3 = 15  The slope (gradient) of the curve

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2 years ago
Line passes through point (1, 7) and point (-2, 4). What is the slope of this line?
Drupady [299]

The slope of the line is 1.

The slope of the line is 1 because the line moves ror goes up from left to right, making it a positive. The line also moves one block over and one block up.

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Simplify the expression
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(-5+8*i)+(-9+5*i) evaluates to <span>-14+13i</span>
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What is the solution of this system of linear equations?
Vesnalui [34]

Answer:

is that the number in the middle = then more the -3 to 2x add in you get 1 being y=1 so 1 -3 is 2x

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2 years ago
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