MATHEMATICS HIGH SCHOOL

2/5 - 1/4 show your work

Answers

Answer 1
Answer:

2/5-1/4

8/20 - 5/20

(8-5)/20

= 3/20


I hope that's help ! if you have question please ask

Answer 2
Answer: 2/5-1/4

2/5=8/20

1/4=5/20

8/20-5/20=3/20
The answer to the problem is3/20

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Help me please
It about linear equations

Answers

Answer:

plant 1 i think

Step-by-step explanation:

Answer:

Plant 2 grew faster

Step-by-step explanation:

The slope of plant 1 is 3

(each day the plant grew 3cm)

The slope of plant 2 is 5

(each day the plant grew 5cm)

The slope of plant 3 is 1.5

(each day the plant grew 1.5cm)

WOULD YOU RATHER use a coupon for $20 off 10of your order OR use a coupon for 20% off of your order?Use mathematics to justify your answer.

Answers

Answer:

Well it would depend on the price

Step-by-step explanation:

if it was for $100 item , these are the same but, if its more, the 20% will be higher off the bigger the price

so I would much rather have 20% off for and item more than 100 dollars and prefer 20$ off to something under a $100

Which choice is equivalent to the quotient shown here when x > 0?√72x^3 divide by square root of 50x^2

Answers

Answer:

(3√(2x))/(5)

Step-by-step explanation:

Starting point:

(√(72x^3))/(50x^2)\n

1) Factor it by Prime Factor Method 72 and 50

72|2\n 36|2\n 18|2\n 9|3\n3|3\n 1\n 72=2^2*3^2*2

50|2\n 25|5\n 5|5\n 1\n 50=2*5^2

2) Plug it in the factored form. Every exponent to the second power will be outside the radical, so its roots.

(√(72x^2*x))/(50x^2)=(6x√(2x))/(5x√(2))=(6√(x))/(5√(2))

3) Rationalize it multiplying by the radical, so that you can eliminate the square root on the denominator.

(6√(x))/(5√(2))*(√(2))/(√(2))=(6√(2x))/(10)=(3√(2x))/(5)

Peter drove 300 miles in 5 hours. Jane drove 400 miles in 8 hours. Who drove at a higher speed?

A.
Jane

B.
Peter

Answers

Peter = 300 /5=60mph
Jane = 400/8=50mph

Therefore Peter drove at a faster speed, so B.

What are the square roots of 256? A.
15 and –15

B.
16 and –16

C.
25 and –25

D.
128 and –128

Answers

the square root of 256 is 16 and -16
I think... 
B
not sure

What is the product of 4 2/3 and 11 1/4? A. 8 3/7   B. 52 1/2   C. 44 2/12   D. 56/135

Answers

we know that


4(2)/(3) =(4*3+2) /3\n \n =(14)/(3)


11(1)/(4) =(11*4+1) /4\n \n =(45)/(4)

so


4(2)/(3) *11(1)/(4) 

is equal to


((14)/(3) )*((45)/(4) )=(630)/(12) \n\n = 52.5\n \n =52(1)/(2)


therefore


the answer is

52(1)/(2)

It is to be noted that the product of 4 2/3 and 11 1/4 is 52 1/2. The correct answer is B.

Why is this so?

To find the product of 4 2/3 and 11 1/4, we can multiply the whole numbers and fractions separately, and then add the results.

4 2/3 = (4 * 3) + 2 = 14/3

11 1/4 = (11 * 4) + 1 = 45/4

Now, we multiply the fractions  -

(14/3) * (45/4) = (14 * 45) / (3 * 4) = 630/12 = 52 1/2

So, it is correct to state that the product of 4 2/3 and 11 1/4 is 52 1/2. The correct answer is B.

Learn more about product at:

brainly.com/question/1712056

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