How would you replace 27/50 with the nearest half or whole number without using a number line?

Answers

Answer 1

Answer: 25/50 = 1/2 soooooooooooooooooooooooooooooooooo

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Lunch begins at 11:45 and ends at 12:10. How long is lunch time?

Answers

hey erika and the answer is 25 minutes

If y varies directly with x and x=21 and y=14, what is the constant of proportionality?

Answers

Y varies directly with x
y = kx

y=14
x=21

14 = 21k

$(14)/(21)$ = $(21k)/(21)$
21 and 21 cancels out

$(2)/(3)$ = k

The constant of this proportionality is $(2)/(3)$

What's 0.32 in simplest form ?

Answers

As Fraction 32/100 As Decimal .32

0.32 in simplest form is 8/25

A circle has an area of 81 7 square inches. What is the circumference of the circle?A. 4.5 inches
B. 2.25 inches
C. 18 inches
D. 9 inches

Answers

A

listen Lindaaaaaaa

Factor out the GCF 6x^3-9x^2-12x

Answers

$6x^3-9x^2-12x\n first\ finding\ the\ GCF\ of\ all\ terms:\n\n 6: \ 1,2,3,6\n 9: \ 1,3,9\n 12: \ 1,3,4,6,12\n GCF=3x\n 3x(\ \ \ )\n\n Next\ divide\ each\ term\ of\ the\ original\ expression\ 6x^3-9x^2-12x\n by\ GCF:\n\n -6x^3:3x=-2x^2\n -9x^2:3x=-3x\n -12x:3x=-4\n\n Answer: 3x(-2x^2-3x-4)$

The GCF of the 3 terms is 3x.

The expression is equal to 3x (2x² - 3x - 4)

Mr. House wrote 8 tenths minus 5 hundredths on the board. Maggie said the awnser is 3 hundredths because 8 minus 5 is 3. is she correct? explain.

Answers

Mr.House wrote 8 tenths minus 5 hundredths on the board. Maggie said the answer is3 hundredths because 8 minus 5 is 3. is she correct? Explain
First let’s identify the given word values:
=> 8 tenths - .8
=> minus 5 hundredths = - .05
She said that the answer is 3 hundredths = .03
Solution:
=> 0.8 – 0.05 = 0.75 not 0.03
why? Because they are in different place value. And 8 tenths = .80 5 hundredths= 0.05

Maggie is not correct.

Further explanation:

Given that Mr. House wrote 8 tenths minus 5 hundredths on the board.

Now, Maggie said that the answer is 3 hundredths because 8 minus 5 is equal to 3.

Our aim is to find whether Maggie is correct or not.

From place value chart, 10 tens is equal to 1 hundreds.

Then 3 hundreds is equal to 30 tens and 3 hundreds can be written as follows:

$3\left( {100}\right)=300$