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3 years ago

6

Use the table to determine after how many hours will the

1 answer:

Klio2033 [76]3 years ago

3 0

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10. Given that the total distance travelled is 4 km and that the initial aceleration is 4 m/s², find:a) the value of V.b) the va

andrezito [222]

The initial deceleration is 4 m/s^2, so this means that considering the first line segment, $\frac{V-100}{T}=-4 \implies V=100-4T$ .

The total distance traveled is 4 km, which is equal to 4000 meters. This is equal to the area under the graph, so $400T-\frac{1}{2}(100-V)(5T)=4000$ .

$400(100-4T)-\frac{1}{2}(4T)(5T)=4000\\\\40000-1600T-10T^2=4000\\\\10T^2 +1600T-36000=0\\\\T^2 +160T-3600=0\\\\(T+180)(T-20)=0\\\\T=20 (T > 0)\\\\\therefore V=100-4(20)=20$

6 0

1 year ago

The rectangle shown has a perimeter of 84 cm and the given area. Its length is 6 more than 5 times its width. Write and solve a

inysia [295]

The answer is that the Width is equal to 10 and the length is equal to 36

6 0

3 years ago

Complete the equation 0.037 x ? = 37 pls hurry

OleMash [197]

Answer:

The missing number is 1000

Step-by-step explanation:

0.037 × ? = 37

Divide both sides by 0.037.

$a = \frac{37}{0.037}$

Expand $\frac{37}{0.037}$ by multiplying both the numerator and the denominator by 1000.

$a = \frac{37000}{37}$

Divide 37000 by 37 to get 1000.

$a = 1000$

Hope it helps and have a great day! =D

~sunshine~

4 0

2 years ago

Ms. Good has a bag of 15 marbles. Three are blue, six are red, and six are yellow. What is the probability that she picks a yell

Delicious77 [7]

Answer:

the chances of her picking a yellow one is 6 in 15

Step-by-step explanation:

all you have to do is divide the color that you are trying to find the probability of by the amount of that object is if that makes sense.

5 0

3 years ago

Read 2 more answers

What is the answer of this question?

polet [3.4K]

Answer:

116

Step-by-step explanation:

8.2 / 2 = 4.1

a = $\sqrt{7^{2}-4.1^{2} } = 5.6736$

0.5 x 8.2 x 5.6736 = 23.2618

23.2618 x 5 = 116.309 = 116

7 0

3 years ago