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matrenka [14]
3 years ago
9

A train leaves at 12.13 and arrives at its destination at 13.03. If the train travelled 83 km, what was it's average speed in km

/h? Give your answer rounded to 1 dp
Mathematics
1 answer:
Mama L [17]3 years ago
3 0

Answer:

1.7km/h

Step-by-step explanation:

speed is distance over time,the time difference is 50 min and the distance is 83,you divide 83 by 50 to give you the answer

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You are choosing between two different cell phone plans. The first plan charges a rate of 21 cents per minute. The second plan c
11Alexandr11 [23.1K]

Answer:

 231 minutes

Step-by-step explanation:

Plan1:  0.21m

Plan2:  29.95 + 0.08m

0.21m > 29.95 + 0.08m

0.13m > 29.95

m > 230.38

6 0
3 years ago
Please help me help my daughter with question number 9
butalik [34]
So in a division equation you would take the dividend then divide it by the divisor (which in this case would be the 2) then after you divided you would get your quotient
4 0
3 years ago
Which of the following radical expressions has an absolute value symbol in its simplified form?
umka21 [38]

Answer:

The answer is option b, its absolute value in simplified form gives

6\sqrt{2x^3} j

Step-by-step explanation:

Which of the following radical expressions has an absolute value symbol in its simplified form?

Answer option

6√64x^6

3VWjZbdGugPfWdqwB2+ZNNUbUB29afvQFuZASCHvF-8x^3

5√32x^5

4VWjZbdGugPfWdqwB2+ZNNUbUB29afvQFuZASCHvF16x

6√64x^6

to solve this

48x^3

b. 3√-8x^3

3*2√-2x^3

6√2x^3*√-1

6√2x^3j

which is a complex notation

5√32x^5

5*4√2x^5

20√2x^5

4√16x

4*4√x

16√x

6 0
3 years ago
Evaluate each of the following x=5<br><br><br><br> (5x-3)/2<br><br><br><br> (10-6)/5
Talja [164]

Answer:

11

4/5

Step-by-step explanation:

there u go thats quick maths

7 0
2 years ago
Assume that the terminal side of thetaθ passes through the point (negative 12 comma 5 )(−12,5) and find the values of trigonomet
zmey [24]

Answer:

\sin \theta = \dfrac{5}{13} and \sec \theta = -\dfrac{13}{12}

Step-by-step explanation:

Assume that the terminal side of thetaθ passes through the point (−12,5).

In ordered pair (-12,5), x-intercept is negative and y-intercept is positive. It means the point lies in 2nd quadrant.

Using Pythagoras theorem:

hypotenuse^2=perpendicular^2+base^2

hypotenuse^2=(5)^2+(12)^2

hypotenuse^2=25+144

hypotenuse^2=169

Taking square root on both sides.

hypotenuse=13

In a right angled triangle

\sin \theta = \dfrac{opposite}{hypotenuse}

\sin \theta = \dfrac{5}{13}

\sec \theta = \dfrac{hypotenuse}{adjacent}

\sec \theta = \dfrac{13}{12}

In second quadrant only sine and cosecant are positive.

\sin \theta = \dfrac{5}{13} and \sec \theta = -\dfrac{13}{12}

6 0
3 years ago
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