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OLga [1]
3 years ago
13

Can anyone help? I’ve posted this like 4 times now plz if u can. A bicyclist traveled with a speed of 12 km/h from a camping gro

und to a station, located 60 km away. Write a formula expressing the dependence of the variable s on t, where s is the distance between the bicyclist and the station in km, t - the duration (time) of his travel in hours. Using the formula, find:t for s=30I’ve already got the time, I just need the formula
Mathematics
1 answer:
Tresset [83]3 years ago
7 0
Here is it


s = 60 - 12t

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3. Calvin has a bucket of marbles. The table shows the number of marbles of each color Color Amount Red Blue 3 Yellow 4 Green Ca
dalvyx [7]

The false statement is (c) the probability of selecting a blue or yellow marble is less than the probability of selecting a red or green marble.

<h3>What are probabilities?</h3>

Probabilities are used to determine the chances of events

The table entry is given as:

  • Red  - 2
  • Blue - 3
  • Yellow  - 4
  • Green - 3

From the list of options, the false statement is

(c) the probability of selecting a blue or yellow marble is less than the probability of selecting a red or green marble.

This is so because:

  • Blue or Yellow = 3 + 4 = 7
  • Red or Green = 2 + 3 = 5

Notice the count of blue or yellow marbles (7) is greater than the number of  red or green marbles (5)

This means that, the probability of selecting a blue or yellow marble is greater than the probability of selecting a red or green marble.

Read more about probabilities at:

brainly.com/question/251701

7 0
2 years ago
Find the slope of the line passing through each of the following pairs of points: A(−7, a) and B(c, d)
Mrrafil [7]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points A(-7, a) and B(c, d).

Substitute:

m=\dfrac{d-a}{c-(-7)}=\dfrac{d-a}{c+7}

Exception: c ≠ -7.

3 0
3 years ago
What is the area of a circle with a diameter of 16?
Oksana_A [137]

If the diameter is 16, then the radius is 8.

A=(pi) r^2

8*8=64

64*3.14159265359=201.06

201.06 is your answer.

-TheOneandOnly003


4 0
3 years ago
Tyler reads 2/15 of a book on Monday, 1/3 of it on tuesday, 2/9 of it on Wednesday, and 3/4 of the remainder on thus day. If he
kykrilka [37]

The number of pages in the book is 180

<u>Explanation:</u>

The first thing we should do is to convert these fractions to percentage

Monday = \frac{2}{15} X 100 = 13.33\\\\Tuesday = \frac{1}{3} X 100 = 33.33%\\\\\\Wednesday = \frac{2}{9} X 100 = 22.22%\\\\\\\\

3/4 of the remainder on thursday:

Thursday: (100 - (13.33 + 33.33 + 22.22) * (3/4) = 23.33%

he still has 14 pages left to read on friday

Friday:  [100 - (13.33 + 33.33 + 22.22) ] - 23.33 = 7.77%

Which means that 14 pages represent 7.77% of the book.

Therefore the number of pages of the book is given by:

=\frac{100}{7.77} X 14\\\\= 180

Therefore, number of pages in the book is 180

4 0
2 years ago
Which quadrilateral has one pair of parallel sides, but is not a parallelogram?.
Andreas93 [3]

Only the trapezoid has one pair of parallel side while all the other quadrilateral( in this question) square, rhombus and rectangle has two pair of parallel sides.

6 0
2 years ago
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