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raketka [301]
3 years ago
14

What is -5/8 × 2/3?​

Mathematics
2 answers:
o-na [289]3 years ago
8 0

Answer:

Step-by-step explanation:

multiply across -5 x 2 = -10

8 x 3 = 24

-10/24 = -5/12

gulaghasi [49]3 years ago
4 0

Answer:

Simplified value of the problem is \frac{-5}{12}.

Step-by-step explanation:

Given :

             \frac{-5}{8} *\frac{2}{3}

This type of multiplication is simply multiplied by numerator to numerator and denominator to denominator.

   so,           \frac{-5}{8} *\frac{2}{3} = \frac{-10}{24}

Further dividing  \frac{-10}{24}  by a common number in numerator and denominator i,e 2 gives

          \frac{-10}{24}=   \frac{-5}{12}        

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Which expression represents a rational number?
Sever21 [200]

Answer:

\frac{2}{7}+\sqrt{121}

Step-by-step explanation:

Given: expressions

To find: expression that denotes a rational number

Solution:

A number of the form \frac{p}{q} where p and q are integers and q\neq 0 is said to be a rational number.

Sum of a rational and irrational number is irrational.

In \frac{5}{9}+\sqrt{18}, \frac{5}{9} is a rational number and \sqrt{18} is an irrational number

So, \frac{5}{9}+\sqrt{18} is not a rational number.

In \pi+\sqrt{16}=\pi+4, \pi is an irrational number and 4 is a rational number

So, \pi+\sqrt{16}  is not a rational number.

In \frac{2}{7}+\sqrt{121}=\frac{2}{7}+11=\frac{2+77}{7}=\frac{79}{7}, \frac{79}{7} is a rational number

So, \frac{2}{7}+\sqrt{121}  is a rational number

In \frac{3}{10}+\sqrt{11}, \frac{3}{10} is a rational number and \sqrt{11} is an irrational number

So, \frac{3}{10}+\sqrt{11} is not a rational number.

7 0
3 years ago
Read 2 more answers
If a motor bike travels 300km in 5hrs what is the average distance travelled in 1hr
baherus [9]

Answer:

60km per hour.

Step-by-step explanation:

Divide 300km by 5hrs to find the distance traveled in an hour.

\frac{300}{5}

60

7 0
3 years ago
Read 2 more answers
Simply 3pq+5pr-2qr+qp-6rp​
Agata [3.3K]

Answer:

The answer is 4pq−pr−2qr

5 0
3 years ago
3x=54<br> Find a value for x that will make this equation true.
Luda [366]
A possible answer for x would be 18
4 0
3 years ago
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Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. Together they
Lunna [17]

Answer:

The mechanic who worked 5 hours charged $115 per hour, the one who worked 15 hours charged $120 per hour.

Step-by-step explanation:

x = rate of mechanic who worked 5 hours

y = rate of mechanic who worked 15 hours

Then

x + y = 235

5x + 15y = 2375

Just solve these 2 equations above for x and y.

x + y = 235 ⇒ x = 235 - y

Substitute into second equation to find y.

5(235 - y) + 15y = 2375

1175 - 5y + 15y = 2375

10y = 1200

y = 1200/10 = 120

x = 235 - y = 235 - 120 = 115

5 0
2 years ago
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