MATHEMATICS HIGH SCHOOL

Are the ratios 1:2 and 17:18 equivalent

Answers

Answer 1
Answer:

Answer:

No.

Step-by-step explanation:
Answer 2
Answer: the answer would be no

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The price of a chromebook is $230. The sales tax is 12%. What is the amount of the sales tax for the chromebook?$57.20

$9.60

$23.20

$27.60

Answers

Answer:

27.60

Step-by-step explanation:

take your $230 and takes 12% and do 12% of 230 which will get you 27.60
27.60 you have to multiply 230 x 12 and there is your answer

Express the fractions 1/2, 3/16, and 7/8 with an LCD

Answers

LCD of 2  16  and 8  is definitely 16.

1/2 = (1/2)*(16/16) = 8/16

3/16 = (3/16)*(16/16) = 3/16

7/8 = (7/8)*(16/16) = 14/16

What is the approximate volume of a cylinder with a diameter of 10 meters and a height of 5 meters

Answers

V=hpir^2
d/2=r
10/2=5=r
h=5
V=5pi5^2
V=5pi25
V=125pi
aprox pi=3.141592
V=392.699 m^3

What does n + 4n- 22=5 k equal?

Answers

5n-22=5

5n=5+22

5n=27

n=27 divide 5

N=27/5 or N=5.4

Check my answer please!Solve for x.

3/4x +1/4(x + 12) − 12 = 4x − 21

A. -3
B. 3
C. 4
D. 6

I think it's B I'm not sure though

Answers

The answer is C, 4.

you combine like terms and that is the answer you get.

Find the expression for the area of the figure. Give your answer as a simplified radical.

Answers

Answer:

D

Step-by-step explanation:

Area of rectangle= length × breadth

Area of figure

= ( √(15x)) ( √(10x) ) \n = √((10x)(15x)) \n = \sqrt{150 {x}^(2) } \n = \sqrt{6(25 {x}^(2)) } \n = (√(6) )( \sqrt{( {5x})^(2) } ) \n = ( √(6) )(5x) \n = 5x √(6)
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