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Yuliya22 [10]
3 years ago
12

During a Journey,a car travels at an average speed of 53 km/h for the first hour and at an average speed of 49 km/h for the next

two hours. fine the distance of the whole journey.
Mathematics
1 answer:
Helen [10]3 years ago
4 0
3 hours it does not matter your speed
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The simple interest formula is ​I=Prt ​, where I is the interest, P is the principal, r is the interest rate, and t is the time.
DaniilM [7]
t = 5.3 years
(about 5 years 4 months)

Equation:
t = (1/r)(A/P - 1)
Calculation:
First, converting R percent to r a decimal
r = R/100 = 7.2%/100 = 0.072 per year,
then, solving our equation

t = (1/0.072)((4835.6/3500) - 1) = 5.3
t = 5.3 years
6 0
2 years ago
Anjana has 4 pencil in her box. Their average length is 10cm. Which of the following is NOT POSSIBLE? A) The shortest pencil in
Troyanec [42]

The situation which is not possible about the pencils in her box is; Choice B: The longest pencil in the box is 8cm long.

<h3>Mean and Measure of central tendency</h3>

By convention, the mean is a statistical measure of central tendency.

On this note, if the mean of a set of data values is 10, this means the data values have data points greater, equal and less than the mean value.

  • On this note, it is impossible to have the longest pencil in the box to have a length, 8cm.

Read more on Mean;

brainly.com/question/281308

5 0
2 years ago
Graph the equation
Lisa [10]
To find the root, replace y with 0
X^2-12x+35=0
A=1 B=-12 C=35
B^2-4ac=(-12)^2 -4(1)(35)
=144 -140
=4


x=(-b+/- square root of b^2 -4ac) /over/ (2a)
Plug in the numbers
x=-(-12) sqr (-12)^2 4(1)(35) / (2)(1)
X=12 +/-sqr 4 / 2
Positive outcome
x=12 + sqr 4 / 2
x=12+2/2
x=7 <— this one
Negative outcome
x=12-2i/2
x=6-i
Vertex: (6,-1)
8 0
2 years ago
For which equation is y = 7 a solution?
Natasha2012 [34]

Answer:B

Step-by-step explanation:

y - 26 = -19

y + 26 - 26 = -19 + 26

y=7

4 0
3 years ago
Read 2 more answers
the temperature at the south pole was -39degree f at 8am. at 3pm it was 10degree f, by how many degrees did the temperature rise
natita [175]

Answer:

Step-by-step explanation: start at -39 degrees. You need to find how many degrees is between -39 and 10 degrees.

+39+10= 49 degrees risen

6 0
2 years ago
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