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nadya68 [22]
3 years ago
12

What is bigger 1/4 or 0.4 or are they equal

Mathematics
2 answers:
victus00 [196]3 years ago
8 0
They are equal because if you divide 4÷1.0 your answer would be 0.4
algol133 years ago
8 0
Well, of you change the fraction into a decimal (divide the numerator by the denominator : 1 divided by 4), you get:

(the decimal from 1/4) 0.25 __ 0.4

It's not that hard from there:   0.25 < 0.4
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Can the product of a whole number and a decimal number less than 1 ever be greater than the whole number? Give examples to suppo
masya89 [10]
No. Let's say we use 10 and 0.38. 1 X 10 is 10, so if anything is lower than 1, it will be lower than 10. Therefore, 0.38 X 10 is 3.8. This is less than the whole number, 10. Hope this is clear enough.
6 0
3 years ago
Is the product of 3⅝ x ⅔ greater than or less than 3⅝? explain without multiplying
almond37 [142]
So the question is
number times 2/3 is greater than or less than the sasme number
so let's say x
x times 2/3 is greater than or less than x
since 2/3 is less than 1, 2/3 is a fraction,
 anything times a fraction will become smaller

therefor
3 and 5/8 times 2/3 is less than 3 and 5/8

the answer is LESS THAN

3 0
3 years ago
Read 2 more answers
Anna is no more than 3 years older than 2 times Jamie’s age. Jamie is at least 14 and Anna is at most 35. Which system of linear
Afina-wow [57]
A < 3 + 2j
j >= 14 
a <= 35
6 0
3 years ago
Read 2 more answers
A ball is thrown from a height of 38 meters with an initial downward velocity of 3 m/s
ANTONII [103]
<h2>Hello!</h2>

The answer is:

The ball will hit the ground after t=2.47s

<h2>Why?</h2>

Since we are given a quadratic function, we can calculate the roots (zeroes) using the quadratic formula.  We must take into consideration that we are talking about time, it means that we should only consider positive values.

So,

\frac{-b+-\sqrt{b^{2} -4ac} }{2a}

We are given the function:

h=-5t^{2}-3t+38

Where,

a=-5\\b=-3\\c=38

Then, substituting it into the quadratic equation, we have:

\frac{-b+-\sqrt{b^{2} -4ac} }{2a}=\frac{-(-3)+-\sqrt{(-3)^{2} -4*-5*38} }{2*-5}\\\\\frac{-(-3)+-\sqrt{(-3)^{2} -4*-5*38} }{2*-5}=\frac{3+-\sqrt{9+760} }{-10}\\\\\frac{3+-\sqrt{9+760} }{-10}=\frac{3+-\sqrt{769} }{-10}=\frac{3+-27.731}{-10}\\\\t1=\frac{3+27.731}{-10}=-3.073s\\\\t2=\frac{3-27.731}{-10}=2.473s

Since negative time does not exists, the ball will hit the ground after:

t=2.473s=2.47s

Have a nice day!

4 0
3 years ago
Read 2 more answers
(-3 * 10 to the power of 4) * (2 * 10 to the power of -3)
gayaneshka [121]
-3*10= -30 to the 4th power is 810,000
10 to the -3 power is -1000 * 2 is -2000

810,000 * -2000 = -1,620,000,000
8 0
3 years ago
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