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Vsevolod [243]
3 years ago
8

HELP ASAP PLEASE!11!

Mathematics
2 answers:
Sonbull [250]3 years ago
7 0
4 is the value that would make the sentence true
vlabodo [156]3 years ago
3 0

Answer:

Answer is 4

Step-by-step explanation:

8+(3x4) = (2x2) + (4x4)

8+12 = 4+16

20=20

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Step by step explanation
fredd [130]

Answer:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Eleanor placed some marbles in a bag for an experiment. She reaches into the bag and grabs a marble. Eleanor writes down the col
rodikova [14]

Answer:

Hi I have this same question but I'm torn between certain and very likely it is on of those options.

Step-by-step explanation:

6 0
3 years ago
Which is a perfect square?A:72B:81C:90D:99
erik [133]

Solution:

A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.

Hence, the number that can be expressed as a product of an integer by itself is;

81=9^2=9\times9

Therefore, the perfect square is 81.

OPTION B is correct.

5 0
1 year ago
Help me answer these questions
Reil [10]

Answer:

See below.

Step-by-step explanation:

1.  x = e^(x/y)   Taking logs:

log x =  x/y

x = y log x

Differentiating:

1 = dy/dx log x +  y * 1/x

dy/dx log x = (1 - y/x)

dy/dx =  (1 - y/x) / log x

dy/dx =  ((x - y)/ x) / log x

dy/dx = (x - y) / x log x)

2.  y^x = e ^(y - x)

Taking logs:

x log y = y - x   --------------(A)

y = x + x logy    --------------(B)

dy/dx = 1 + x * 1/y * dy/dx + 1*logy

dy/dx - dy/dx * x/y = 1 + log y

dy/dx ( (x - y) y))  = 1 + log y

dy/dx = y(1 + log y) / (y - x)

Using (A) and (B) :-

dy/dx =  x(1 + logy)(1 + logy) / x logy          The x's cancel, so:

dy/dx = (1 + logy)^2 / log y

Sorry I have to go right now..

The rest of the answers are  on the re-post of these questions

8 0
3 years ago
Solve the problem:
stepan [7]

volume of the box is 675 cubic inches

A machine produces open boxes using square sheets of plastic.

It is a square sheet so length and width are same

Lets assume length as x so width is also x

The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet.

After turning up the sides the height of the box becomes 3 inches

We know the volume of a box formula

Volume = Length * width * height

We know length is  x , width is x  and height = 3

So V = x * x * 3

Given volume = 675 cubic inches

675 = x * x * 3

675 = x^2* 3

Divide by 3 on both sides

225 = x^2

Now we take square root on both sides

x = 15

the length of one side of the open box is 15 inches.



5 0
4 years ago
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