Exam 4

Find the value of the expression:

 $0.\overline{14}+\frac{5}{9}$  

• 11/9

• 22/99

• 23/33

• 24/33

• 34/45

Find the sum of different prime factors of 147

• 10

• 3

• 20

• 17

• 14

Divide number 51 by numbers in ratio 1:2

• 32 and 19

• 34 and 17

• 30 and 21

• 35 and 16

• 40 and 11

Simplify the expression:

 $\frac{x^2-16}{4x-16}$  

•  $\frac{x+4}{4}$  

• x+4

•  $\frac{x+4}{x-4}$  

• 1/4

•  $\frac{1}{4\left(x-4\right)}$  

Find the radius of the circle which is inscribed in a right-angled triangle with hypotenuse 17 cm and one of the

legs 15 cm.

• 1

• 2

• 3

• 4

If two notebooks are given to each student, 15 notebooks will be left. If 3 notebooks are given, 5 more

notebooks will be needed. How many students are there?

• 32

• 25

• 20

• 40

 $\ ^{^3\sqrt{75\times45}}$  Find the value of expression:

• 6

• 25

• 35

• 5

• 15

 $14^{0.5}\times7^{-\frac{1}{2}}\times8^{\frac{1}{6}}$  

Evaluate:

• -1

• 4

• 3

• 2

 $\sqrt{15+6\sqrt{6}}-\sqrt{15-6\sqrt{6}}$  

Find the value of expression:

• 6

•  $2\sqrt{6}$  

• 0

• -6

•  $-2$  

Find the sum of roots of the equation: |2x+5|=3|x|

• 4

• 5

• -1

• 1

• -5