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stira [4]
3 years ago
11

People leave 2 towns at the same time, some going in each direction, and they all meet at noon where they have a meal together f

or one hour. One group continues and reaches the other town at 7:15 pm, while the other group gets to the first town at 5 pm. When did they start?
Mathematics
1 answer:
Travka [436]3 years ago
3 0
I'm not sure but I think they started at 8:00 am?

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Which expression is equivalent to Negative 2 and one-fourth divided by negative two-thirds? StartFraction 9 over 4 EndFraction d
Tanzania [10]

Answer:

The correct answer is:

Negative StartFraction 9 over 4 EndFraction divided by two-thirds

i.e.

-\dfrac{9}{4} \div \dfrac{2}{3}

Step-by-step explanation:

We have to find equivalent expression to :

Negative 2 and one-fourth divided by negative two-thirds

i.e.

-2\dfrac{1}{4} \div \dfrac{2}{3} = ?

We have to convert the the mixed fraction form -2\frac{1}{4} to simpler \frac{p}{q} fraction form.

Let us learn the concept first.

Mixed fraction is combination of a whole number and a fraction.

Expression of the form a\frac{b}{c} have the following understanding:

c is the divider

b is the remainder and

a is the quotient.

To convert mixed fraction to fraction we can use the following:

a\dfrac{b}{c} = \dfrac{a \times c+b}{c}

\therefore -2\dfrac{1}{4} = -\dfrac{(2 \times 4+1)}{4} = -\dfrac{9}{4}

Hence

-2\dfrac{1}{4} \div \dfrac{2}{3} = -\dfrac{9}{4} \div \dfrac{2}{3}

i.e. the given expression is equivalent to :

Negative StartFraction 9 over 4 EndFraction divided by two-thirds

8 0
4 years ago
Read 2 more answers
The equation of a circle is given below. (x − 5) 2 + ( y + 2 ) 2 = 81 4 (x−5) 2 +(y+2) 2 = 4/81 What is its center? Radius?
Dmitry_Shevchenko [17]

Answer:

The center is (5, -2) and the radius is 9/2

Step-by-step explanation:

The equation of a circle can be written in the form

(x-h) ^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

(x − 5)^2 + ( y + 2 )^2 = 81/4

(x − 5)^2 + ( y - -2 )^2 = (9/2)^2

The center is (5, -2) and the radius is 9/2

6 0
3 years ago
Out of 45 students 29 went on field trip. Which best represents the percent of the students who do not go on trip?
Olenka [21]
To find the percentage, divide 29 by 45 (29÷45). You should get 0.64444444(so on). Round that to 0.64 and your answer is 64%
4 0
3 years ago
Which model below shows 24 ÷ 4 = ? *
Degger [83]

Answer: Hope this helps

Step-by-step explanation: 24 divided by 4 using long division, with explanation and illustration.

5 0
3 years ago
How many times does 32 go into 204
jeka94
This question have 2 different answer depending on what law he is stating in this problem
Solution 1
=> 204 / 32 = 6.38 times did 32 goes to 204.
Solution 2
=> 204 - 32 = 172
=> 172 / 32 = 5.38
=> 5.38 * 100% - 538%
6 0
3 years ago
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