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joja [24]
3 years ago
15

Please help me to solve this ​

Mathematics
2 answers:
natka813 [3]3 years ago
6 0
5) all you have to do is calculate which would be 2.9166...
6) 65.898
xenn [34]3 years ago
3 0

Answer:

For 5

\frac{35}{12}

simplified

2\frac{11}{12}

Step-by-step explanation:

Turn the mixed numbers into improper fractions, and turn two into a fraction

\frac{11}{3} + \frac{5}{4} -  \frac{2}{1}

Then find the common denominator of all fractions

\frac{44}{12}  +  \frac{15}{12}  -  \frac{24}{12}

then do the expression

\frac{44}{12}  +  \frac{15}{12}

\frac{59}{12}  -  \frac{24}{12}

\frac{35}{12}

simplify

2 \frac{11}{12}

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A car requires 22 litres of petrol to travel a distance of 259.6 km.Find
Anon25 [30]

Answer:

Step-by-step explanation:

1. A car requires 22 litres of petrol to travel a distance of 259.6 km

what is the distance that the car can travel on 63 ltr of petrol

22ltr = 259.6km

63ltr=

cross multiply

{63 x 259.6}/22 = 16354.8/22 = 743.4 km

A car requires 22 litres of petrol to travel a distance of 259.6 km, it would require 63 ltr of petrol to travel 743.4km

2. To travel a distance of 2013.2 km

we would need to calculate the amount of fuel

A car requires 22 litres of petrol to travel a distance of 259.6 km

what amount of fuel would it require to travel 2013.2km

22ltr = 259.6km

xltr = 2013.2km

x is the value of petrol to cover 2013.2km

cross multiply

(2013.2 x 22)/259.6

44290.4/259.6 = 170.610169492≈170.6 ltr

A car requires 22 litres of petrol to travel a distance of 259.6 km, it would require 170.6 ltr of petrol to travel 2013.2km

if 1ltr is $1.99

170.6 ltr is (170.6 x 1.99)/1 = $339.494≈$339.5

The price of fuel consumed for 2013.2 km at 1 liter of petrol at $1.99 is $339.5

5 0
3 years ago
Brian answered 35 questions, or 70%, correctly on a test. James answered 90% of the questions correctly.
Vinil7 [7]
He answered 50 questions
3 0
3 years ago
Sam said the square root of a rational number must be a rational number. Jenna disagreed. She said that it is possible that the
ratelena [41]

Jenna is correct because the square root of a rational number can still be irrational.

Take for example the square root of 2. It is an irrational number than goes 1.41421...

If you multiply just the first however many digits of the result by itself, you will never end up with a perfect 2, because the square root is irrational.

4 0
3 years ago
Find the selling price of a $36 item after a 50% markup
agasfer [191]

Answer:

$54

Step-by-step explanation:

36 divided by 2= 18

$36+$18=$54

7 0
2 years ago
Which of the following is the product of the rational expressions shown below?
kotykmax [81]

Answer: OPTION D.

Step-by-step explanation:

You have the expressions given in the problem:

\frac{2}{2x+3}*\frac{9}{x}

To find the product of both expression you must multiplicate them.

You must multiply the numerators of both expression and the denominators of both expression.

Keeping the above on mind, you obtain that the product is:

\frac{2*9}{(2x+3)x}

 \frac{18}{2x^{2}+3x}

3 0
3 years ago
Read 2 more answers
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