3 years ago

PLEASE HELP I NEED THE ANSWER IN LIKE TWO MINUTES IF YOU CAN HELP PLEASE HELPP

Mathematics

2 answers:

ella [17]3 years ago

8 0

Assumed the pens where equally priced

mylen [45]3 years ago

7 0

Answer:

I am pretty sure that the answer is He assumed the pens are equally priced

Step-by-step explanation:

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The ratio of surface areas of two similar solids is equal to the square of the

Elena-2011 [213]

Ratios between their corresponding edge lengths is B, false

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4 years ago

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If x+y = z and y−z=x which of the following must be equal to z?

umka21 [38]

<u>ANSWER</u>

<u>EXPLANATION</u>

We have two equations:

The first one is

$x + y = z...(1)$

The second equation is

$y - z = x...(2)$

Let us make z the subject of this second equation:

$\implies \: -x +y = z...(3)$

We now add equation (1) and (3) to get:

$(-x + x) + (y + y) = z + z$

We simplify to get:

$0+2y= 2z$

$2y= 2z$

Divide throu by 2.

$\frac{2y}{2} = \frac{2z}{2}$

$y= z$

$\therefore \: z = y$

The correct answer is C

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4 years ago

How would you replace 27/50 with the nearest half or whole number without using a number line?

irina1246 [14]

25/50 = 1/2 soooooooooooooooooooooooooooooooooo

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3 years ago

You guys are Smart, Answer me this. But I need It fast-

miss Akunina [59]

Answer:

E = 58

F = 32

G = 90

Step-by-step explanation:

3x + 31 + 5x -13 + 90 = 180

3x + 31 + 5x -13 = 90

8x = 90 - 31 + 13

8x = 72

x = 72 / 8

x = 9

E = 3(9) + 31 = 27+31 = 58

F = 5(9)-13 = 45 - 13 = 32

G = 90

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3 years ago

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nevsk [136]

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Step-by-step explanation:

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3 years ago