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Ghella [55]
3 years ago
8

A motorcycle has an initial speed of u m/s. It accelerates to a speed of 1.2u in 10 seconds. The motorcycle the travels at a con

stant speed of 1.2u m/s for 15 seconds. Assuming that the acceleration is constant, express the total distance in metres, travelled by the motorcycle
Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

25 mperbsecond is the speed and 45 km is distance

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Alex has 5 lizards he divides them equally among 5 cages how many lizards does alex put in each cage
mr Goodwill [35]

Answer:

5 divided by 5 will be 1.

Step-by-step explanation:

Since Alex has 5 lizards and divides them in 5 cages then one in each will make it equal.

6 0
3 years ago
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The circumference of a circle is 30t. What is its area? ​
labwork [276]

Answer:

A=\frac{225t^2}{\pi} given the circumference is 30t.

Step-by-step explanation:

The circumference of a circle is C=2\pi r and the area of a circle is A=\pi r^2 assuming the radius is r for the circle in question.

We are given the circumference of our circle is 2 \pi r=30t.

If we solve this for r we get: r=\frac{30t}{2\pi}.  To get this I just divided both sides by 2\pi since this was the thing being multiplied to r.

So now the area is A=\pi r^2=\pi (\frac{30t}{2 \pi})^2.

Simplifying this:

A=\pi (\frac{30t}{2 \pi})^2.

30/2=15 so:

A=\pi (\frac{15t}{\pi})^2.

Squaring the numerator and the denominator:

A=\pi (\frac{(15t)^2}{(\pi)^2}

Using law of exponents or seeing that a factor of \pi cancels:

A=\frac{(15t)^2}{\pi}

A=\frac{15^2t^2}{\pi}

A=\frac{225t^2}{\pi}

4 0
3 years ago
The average annual salary of the employees of a company in the year 2005 was ninety thousand dollars. It increased by the same f
4vir4ik [10]
Given:
year 0 - 2005 : 90,000
year 1 - 2006 : 91,200

91,200 - 90,000 = 1,200
1,200 / 90,000 = 0.013

90,000 (1+0.013)^1 ⇒ 90,000 (1.013)^1 =  91,170 OR 91,200

The best representation of the relationship between x and f(x) is choice 2.
f(x) = 90(1.013)x
8 0
3 years ago
16 ounces is equivalent to 1 pound. A lion cub born at the zoo weighs 2 1/2 pounds. How many ounces does the lion cub weigh? Sho
belka [17]

Answer:

40 ounces.

Step-by-step explanation:

Simply multiple 2 1/2 pounds with 16 in order to find how many ounces the lion cub weighs.

2.5 * 16 = 40

Therefor, the lion cub weighs 40 ounces.

7 0
2 years ago
234 in standed from
DENIUS [597]
Isn't that standard form sorry for this bad answer
7 0
3 years ago
Read 2 more answers
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