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VikaD [51]
3 years ago
8

Which expression is equivalent to 1/4y−1/2?

Mathematics
1 answer:
Ivan3 years ago
5 0

Answer:

-0. 25

Step-by-step explanation:

I looked it up with a fraction calculator

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Among all pairs of numbers with a sum of 215, find the pair whose product is maximum. Write your answers as fractions reduced to
valentina_108 [34]

Answer:

Step-by-step explanation:

This is calculus, but I don't get fractions in the end. To maximize or minimize any function, you need to find the derivative of it, set it equal to 0, then solve for the critical values.

Our given equation is

x + y = 215 and we want to maximize the product, xy. Therefore,

y = 215 - x so its product in terms of x is

x(215-x) which is

215x -x^2.  The derivative of this is

215 - 2x. Set it equal to 0 to maximize it.

215 - 2x = 0 so

-2x = -215 and

x = 107.5.

Sub this in to solve for y:

y + 107.5 = 215 and

y = 107.5

The product is 11556.25, not that you need it.

6 0
3 years ago
120/100 simplified if it can be
exis [7]

Answer:

6/5

Step-by-step explanation:

120/100 =

12/10 =

6/5

8 0
3 years ago
Read 2 more answers
The number square root of 3 goes on forever with no repeating pattern therefore it is rational?
vova2212 [387]

Answer:

False

Step-by-step explanation:

A number that can expressed as \frac{p}{q},

Where, p and q are integers such that q ≠ 0, is called a rational number.

Also, a decimal number with repeating pattern is a rational number,

( for eg : 0.333.... = \frac{3}{9} )

Since,

√3 = 1.73205080757.....

∴ There is no repeating pattern

Thus, √3 is not a rational number.

Given statement is FALSE.

8 0
4 years ago
Solve for x , 4-3x /2=5
Elan Coil [88]

Answer:

x= -1/3

Step-by-step explanation:

You take out 2 by multiplying 2/1 in both sides

then u have 4-3x=5

You subtract 4 from 5 and you have

-3x=1

divide and the answer is x= -1/3

3 0
3 years ago
Oque apresenta caracteristicas cultural<br>​
Svet_ta [14]

Answer:

iniciações, tradições, história, valores e princípios, propósito, símbolos e limites.

Step-by-step explanation:

Brainliest PLSSS

8 0
3 years ago
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