MATHEMATICS HIGH SCHOOL

(1+5/6)(1-5/6)

I don't understand it

Answers

Answer 1
Answer: (a+b)(a-b) = a^2 - b^2

(1+5/6) (1-5/6) = 1^2 - (5/6)^2 = 1 - 25/36 = 36/36 - 25/36 = (36-25)/36 = 11/36

11/36 is your answer

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Which pair of fractions is equivalent to this pair? 2/9
and
3/7


A.

2/63
and
3/63

B.

7/63
and
9/63

C.

14/63
and
27/63

D.

18/63
and
21/63

Answers

C is the correct abswerm

Answer:

C is the correct

Step-by-step explanation:

The price of a plane ticket has increased from $150 to $200. By what percent has the price increased? A) 15%
B) 25%
C) 33%
D) 50%

Answers

Answer:

The answer is the option C

33\%

Step-by-step explanation:

we know that

\$150 ------> represent the 100\%

so

by proportion

Find what percent has the price increased

(100)/(150)(\%)/(\$)=(x)/(200-150)(\%)/(\$) \n \nx=(200-150)*100/150\n \nx=50*100/150\n \nx=33.33\%
There is a formula to figure out questions like this:

The price difference/ the original price and times the whole equation by 100 (to get the percentage).

> ($50/$150) x 100 = 33% (rounded)

Write 8 19/20 as a decimal.

Answers

Answer:

8.95

Step-by-step explanation:

Since 8 is a whole number it’s before the decimal. So,

8.

To turn a fraction to a decimal just divide the top number by the bottom. So,

19/20 = 0.95

8 + 0.95 = 8.95

Therefore, the answer is 8.95

Answer:

8.95

Step-by-step explanation:

  1. 8(19)/(20) = (179)/(20)  
  2. 179 ÷ 20 = 8.95

I hope this helps!

is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.

Answers

square root of 81 = 9 so it is rational number
 
5 divided by 3.14 = 5/3.14 = 500/314 so it is rational as well.
5 divided by 3.14 = 1.5923566879 so it is irrational.

Pretty Please Help Me!!!

Answers

Answer:

Signs of the quotients:

The quotient of -125 and 5 is negative.

The quotient of -264 and -12 is positive.

The quotient of 0 and -350 is zero.

The quotient of 276 and -8 is negative.

Step-by-step explanation:

The signs of the quotients are as follows:

-125 / 5 = -25, which is negative.

-264 / -12 = 22, which is positive.

0 / -350 = 0, which is zero.

276 / -8 = -34.5, which is negative.

Answer:

1 negative

2 positive

3 zero

4 negative

Step-by-step explanation:

If k = 23 and m
-14, what is ✓k + m?
Submit

Answers

Answer:

3

Step-by-step explanation:

Evaluate:

Sqrt of k = 32 + m = -14

Sqrt of 32-14 = 9

Sqrt of 9 = 3

Therefore, our answer is 3!

Btw sqrt means: square root

Hope this helps! Have a good day!

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