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xz_007 [3.2K]
3 years ago
10

grace rides her bike with a constant speed of 18 km/h how long will she take to travel a distance 72 kilometers

Mathematics
1 answer:
atroni [7]3 years ago
7 0
If she rides her bike 18 km per hour
then it will take 4 hours to travel 72 km (72÷18)
the answer is 4
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Need help finding n forgot how to do this
andreyandreev [35.5K]

Answer:

n  =                                    3\sqrt{2}

There are two best ways to solve this.

using cosine method:

cos(n) =  \frac{adjacent}{hypotenuse}

cos(60) = \frac{adjacent}{6\sqrt{2} }

adjacent,n = cos(60) * 6\sqrt{2}

n  =                                    3\sqrt{2}

using sine method:

sin(n) = \frac{opposite}{hypotenuse}

sin(30)=  \frac{n}{6\sqrt{2} }

n  = sin(30) * 6\sqrt{2}

n = 3\sqrt{2}

There are many ways, not to make it complex, these are the best ways to solve for n. Hope it helps ~

5 0
2 years ago
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Solve for b.<br> 7<br> 10b+ 18 = 28<br> Answer: 6<br> Submit Answer
azamat

Answer:

False B=1

Step-by-step explanation:

10b+18=28

Subtract 18 both sides.

10b=10

Divide 10 both sides.

b=1

3 0
3 years ago
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Which number has the greatest value? <br><br>a) 0.38<br>b) 08.2<br>c) 02.8<br>d) 2.80
Elis [28]

Answer:

the correct answer would be b)8.2

Step-by-step explanation:


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What is 18.248287 rounded to the nearest tenth? <br>​
ycow [4]

Answer:

18.248287

8.2

Step-by-step explanation:

7 0
3 years ago
Which quadratic function has a wider graph than y=2x^2?
Trava [24]

Answer:

y = 1/2 x²

Step-by-step explanation:

The coefficient of the first term in a quadratic, in our case here, x², will tell us how the graph stretches. This is akin to the slope within the linear graph. Similar to the slope, the smaller the coefficient value, or value of slope m, the shallower the angle.

When discussing quadratics, the larger the coefficient of our x² term, the steeper, and skinnier the graph. If we want to look for a graph that is wider than y = 2x², then we need to find a graph with a coefficient that is less than 2.

Our only option then is

y = 1/2 x²

8 0
3 years ago
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