bicyclist Mario Cipollini pedaled one stage of the 1999 tour de France in about 3.9 hours If he traveled about 195 kilometers what was his average speed in kilometers per hour

Answers

Answer 1

Answer: v=195/3.9=50 km/h

is the answer

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ed spent 8.5% of his savings on lunch, which costs $5.25. how much did he have in savings before lunch?

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Copy down the attachment on paper. Use this to cross multiply: multiply 5.25 by the 100, then divide by 8.5 to get your x value, which will be $61.76 (rounded to the nearest hundredth if calculated, since cents only goes to that place). I hope this helped!

the local amusement park is a popular field trip destination. this year the senior class at high school a and the senior class at high school b both planned trips there. the senior class at high school a rented and filled 9 vans and 5 buses with 267 students. high school b rented and filled 10 vans and 10 buses with 390 students. each van and each bus carried the same number of students. how many students can a van carry? how many students can a bus carry?

Answers

The van can carry 18 students and bus can carry 21 students.

Solution:

Given that,

Senior class at high school "a" rented and filled 9 vans and 5 buses with 267 students.

High school "b" rented and filled 10 vans and 10 buses with 390 students.

Each van and each bus carried the same number of students.

Let the capacity of van be "m", and capacity of bus be "n"

Then, according to given information,

For school a ⇒ 9m + 5n = 267 ⇒ (1)

For school b ⇒ 10m + 10n = 390

⇒ m + n = 39

⇒ m = 39 – n ⇒ (2)

Substitute (2) in (1)

9(39 – n) + 5n = 267

⇒ 351 – 9n + 5n = 267

⇒ 9n – 5n = 351 – 267

⇒ 4n = 84

⇒ n = 21

Then, m + 21 = 39

⇒ m = 39 – 21

⇒ m = 18

Hence, van can carry 18 students and bus can carry 21 students.

Answer:

CAN SOMEONE WHO ANSWERED THIS HELP ME ANSWER MINE PLEASE ITS THE SAME WITH JUST DIFFERENT NUMBER

Step-by-step explanation:

the local amusement park is a popular field trip destination. this year the senior class at high school a and the senior class of highscool b both planned trips there. the senior class at highschool a rented and filled 14 vans and 12 busses with 612 students. highschool b rented and filled 7 vans and 13 busses with 516 students. each van and bus carried the same number of students. how many students can a van carry? how many students can a bus carry?

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The straight line with equation $y = 11x - 28$
is a tangent to the curve
$y = {x}^(3) - a {x}^(2) + bx - 1$
at the point (3,5). Find A, the coefficient of
${x}^(2)$

Answers

Answer:

$a=3$

Step-by-step explanation:

The equation of the curve is

$y=x^3-ax^2+bx-1$ .

The gradient function is given by

$(dy)/(dx)=3x^2-2ax+b$

The gradient of this curve at the point (3,5) is equal to the gradient of the tangent $y=11x-28$ which is 11.

$\Rightarrow 11=3(3)^2-2a(3)+b$

$\Rightarrow 11=27-6a+b$

$\Rightarrow b-6a=-16...(1)$

The given point, (3,5) also satisfies the equation of the curve.

$\Rightarrow 3^3-a(3)^2+b(3)-1=5$

$\Rightarrow 27-9a+3b-1=5$

$\Rightarrow3b-9a=-21$

$\Rightarrow b-3a=-7...(2)$

Equation (2) minus equation (1) gives

$-3a+6a=-7+16$

$3a=9$

This implies that;

$a=3$

When 47 is added to a number the result is 37 less than 7 times the number

Answers

47 is added to a number ⇒ 47 + x
37 less than 7 times the number ⇒ 7x - 37

47 + x = 7x - 37

x - 7x = -37 - 47
- 6x = -84
x = -84 / -6
x = 14

The value of the unknown number is 14.

47 + x = 7x - 37
47 + 14 = 7(14) - 37
61 = 98 - 37
61 = 61

Nellie split 8 pieces of candy equally among f friends. Which expression shows how many pieces of candy each friend received?

Answers

8/x because split is the same as divide so she split 8 pieces with x people

Final answer:

The expression 8/f represents how many pieces of candies each of Nellie's friends received when she divided 8 pieces of candy equally among them.

Explanation:

The problem presented involves dividing a certain number of items (candies) evenly among a certain number of people (friends). This situation deals with division, a basic concept in mathematics. If Nellie has 8 pieces of candy and wants to split it equally among f friends, each friend would receive 8/f pieces of candy. This is because division is the process of partitioning a quantity into equal parts, so dividing 8 candies by the number of friends will give the pieces each friend will get.

Learn more about Division here:

brainly.com/question/2273245

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Write the expression that shows 3 times the sixth power of 10

Answers

3x6-10. The ten is supposed to be abive the six.

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Write the ratio 69:75 as a fraction, decimal,and a percent.