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3 years ago

What do numbers represent I math

Mathematics

1 answer:

harkovskaia [24]3 years ago

5 0

Answer: to count, measure, and label, also they can represent a variety of things, such as, the cost, the time, etc

Step-by-step explanation: is this rlly a question?

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What is the volume of a cube that has a face diagonal of 5 centimeters

Marat540 [252]

Formula for volume of cube: V = a³
V = (5)³ = 5 × 5 × 5 = 125 cm³

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3 years ago

Is 18/36 equivalent to 1/2

Flura [38]

Yes it is equivalent :)

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3 years ago

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What is the circumference of a circle with a diameter of 13 inches? round to the nearest hundredth.

Kryger [21]

Answer:

40.84 to nearest hundredth.

Step-by-step explanation:

C = pi * d

= pi * 13

= 40.8407

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3 years ago

In high school Sam grew from 60 inches tall to 74 inches tall. What was Sam's change in height during high school? Write the cal

iVinArrow [24]

Answer:

Step-by-step explanation:

Sam grew from 60 inches tall to 74 inches tall

Sam change in height = 74 inches - 60 inches = 14 inches

The calculation that determines the change = Sam final high school height (74 inches) - Sam initial height ( 60 inches )

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3 years ago

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If y = 2x - 8 what is the minimum value of the product xy

Alja [10]

Answer:

the minimum value of product is -8

Step-by-step explanation:

We have been given the function y = 2x-8 and we have to find the minimum value of the xy.

Plugging the value of y in the product

$f(x)=x(2x-8)\\\\f(x)=2x^2-8x$

f(x) represents a upward parabola and we know that for a upward parabola, the minimum point is the vertex.

So in order to find the minimum value we find the y coordinate of the vertex of the parabola.

x-coordinate of the parabola is given by

$-\frac{b}{2a}\\\\=-\frac{-8}{2\cdot2}\\\\=2$

y -coordinate of the parabola is

$y=f(2)=2(2)^2-8(2)\\\\=8-16=-8$

Hence, the vertex is (2,-8)

Therefore, the minimum value of product is -8

6 0

3 years ago

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