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2 years ago

Is 300 greater than 1/2?

Mathematics

2 answers:

Katen [24]2 years ago

8 0

Answer:

Yes, 300 is greater than 1/2

seropon [69]2 years ago

7 0

Answer:

yes

Step-by-step explanation:

1/2 is half of 1.

300 is 300 times greater than 1, so 300 is 600 times greater than 1/2.

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Joan is sky diving from 3,5000 feet Before opening her parachute she descends at a rate of 80 feet per second what will be her h

netineya [11]

Step-by-step explanation:

This should give you an idea the acceleration here is 9.81 because gravity and the equation is a kinematic equation

3 0

3 years ago

You have to prove it! EVEN IF YOU KNOW ONE OF THEM PLZZZ HELPPP!:( .

natita [175]

Answer:

xi.) 1 = 1

xii.) 1 + 1 = 2

Step-by-step explanation:

see explanation in attached picture,

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7 0

3 years ago

What is the range of 220,2100,260,5160.

IrinaVladis [17]

Answer:

range is the biggest number minus the smallest number

Step-by-step explanation:

so 5160-220=4940

7 0

3 years ago

Read 2 more answers

Which expression is a sum of cubes?

erik [133]

we know that

A polynomial in the form $a^{3} +b^{3}$ is called a sum of cubes

Let's verify each case to determine the solution

case A) $-64x^{6} y^{12} +125x^{16} y^{3}$

we know that

$-64=-4^{3}$

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{16}=x^{15} *x=x*(x^{5})^{3}$ -------> is not a perfect cube

$y^{3}= (y)^{3}$

therefore

the case A) is not a sum of cubes

case B) $-32x^{6} y^{12} +125x^{16} y^{3}$

we know that

$-32=-2^{5}$ -------> is not a perfect cube

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{16}=x^{15} *x=x*(x^{5})^{3}$ -------> is not a perfect cube

$y^{3}= (y)^{3}$

therefore

the case B) is not a sum of cubes

case C) $32x^{6} y^{12} +125x^{9} y^{3}$

we know that

$32=2^{5}$ -------> is not a perfect cube

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{9}=(x^{3})^{3}$

$y^{3}= (y)^{3}$

therefore

the case C) is not a sum of cubes

case A) $64x^{6} y^{12} +125x^{9} y^{3}$

we know that

$64=4^{3}$

$x^{6}= (x^{2})^{3}$

$y^{12}= (y^{4})^{3}$

$125=5^{3}$

$x^{9}=(x^{3})^{3}$

$y^{3}= (y)^{3}$

Substitute

$4^{3}(x^{2})^{3}(y^{4})^{3} +5^{3}(x^{3})^{3}(y)^{3}$

$(4x^{2}y^{4})^{3} +(5x^{3}y)^{3}$

therefore

the answer is

$64x^{6} y^{12} +125x^{9} y^{3}$ is a sum of cubes

6 0

3 years ago

Read 2 more answers

Kayla went over the allotted cell phone minutes this month by 42 minutes. Her regular bill is $39.95, but this month is was $54.

Nimfa-mama [501]

$\frac{\text{ over time minutes }}{\text{ cost for overtime minute}} = \frac{42}{14.7}$

The ratio of overtime minutes to the cost of those minutes is 42 : 14.7

Solution:

Kayla went over the allotted cell phone minutes this month by 42 minutes

Therefore,

over time minutes = 42 minutes

Her regular bill is $39.95, but this month is was $54.65

Regular bill = $ 39.95

This month bill = $ 54.65

Therefore, cost for overtime minute is given by:

cost for overtime minute = This month bill - regular bill

cost for overtime minute = $ 54.65 - $ 39.95

cost for overtime minute = 14.7

Thus ratio of over time minutes to cost of those minutes is given by:

$\frac{\text{ over time minutes }}{\text{ cost for overtime minute}} = \frac{42}{14.7}$

Thus the required ratio is found

8 0

3 years ago