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Ket [755]
3 years ago
8

A boat traveled at a constant speed for six hours, covering a total distance of 58.5 km. To the nearest 10th of a kilometer per

hour, how fast was it going?
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
4 0
Speed=distance/time taken
Speed=585/10/6
Speed=9.75km/h
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I need help with this question please
user100 [1]

Answer:

The exact length of the third side would be 9.

Step-by-step explanation:

To find the length of the triangle, just add the height (6) and the base (3) which equals 9.

4 0
3 years ago
URGENT,!?? To decrease an amount by 4% what single multiplier would you use?
Olegator [25]
We would use for the first part 0.96
Second part we would multiply 500 by 1.046
Multiplying 6 kilometers per hours by 2 1/3, we would get 12 + 2 = 14 km
7 0
3 years ago
Orthogonal explanatory variables. suppose in the modelx2 to xk are all uncorrelated. such variables are called orthogonal variab
sertanlavr [38]
<span>d. suppose you have run the regression and afterward you want to introduce another orthogonal variable, say, xk 1 into the model. do you have to recompute all the previous coefficients 1 to k? why or why not?</span>
4 0
3 years ago
What is the area of rectangle RSTU? Show step by step!
pickupchik [31]

Step-by-step explanation:

We only know 1 side, and that is the width of 4. We only have the diagonals at our side. Half of the diagonal is 5. As a result, the diagonal is 10. I want you to imagine a triangle that has a base of 4 and a hypotenuse of 10. Use the Pythagorean Theorem to find b, or the height.

a² + b² = c²

4² + b² = 10²

16 + b² = 100

100 - 16 = 84

b² = 84

b = √84

b ≈ 9.165

Now we know the length of the rectangle, which is about 9.165. Multiply that by 4 to get the area.

9.165 * 4

36 + 0.4 + 0.24 + 0.020

36.4 + 0.24 + 0.02

36.64 + 0.02

36.66 u²

The area of rectangle RSTU is about 36.66 units squared.

8 0
2 years ago
A population of fish starts at 8,000 and decreases by 6% per year. What is the initial value, a? A.6% B.0.6 C.8,000
EleoNora [17]
Y = a(1 - r)^t
Y = 8,000(1 - 0.06)^t

You can see a = 8,000
As the fish population starts at 8,000
3 0
3 years ago
Read 2 more answers
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