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kramer
3 years ago
9

X=2y - 15 y= -2x x=2(-2x) - 15 what’s x?

Mathematics
2 answers:
kari74 [83]3 years ago
7 0

Answer:

X= -3

Y= 6

Step-by-step explanation:

That's the answer

Mnenie [13.5K]3 years ago
7 0

Answer:7100.4755

Step-by-step explanation:

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A box company is designing a new rectangular gift container. The marketing department has designed a box with a width 2 inches s
Sladkaya [172]
Volume of the box= <span>56 cubic inches
let x is the length, then
width =</span><span>2 inches shorter than its length = x - 2
</span>height =  <span>3 inches taller than its length = x+3
Volume = length x width x height
56 = x x (x-2) x (x+3)
56 = (x</span>² -2x)(x+3)
56 = x³ +3x² -2x² - 6x
56 = x³ + x² -6x
x³+x²-6x-56 = 0
using the rational root theorem and factoring the polynomial;
(x-4)(x² +5x +14) = 0
from here;
x-4 = 0
x = 4
So, length = 4 inches
width = x - 2 = 4 -2 = 2 inches
length = x + 3 = 4 + 3 = 7 inches
volume = l x w x h = 4 x 2 x 7 = 56
3 0
3 years ago
Name the vertical angles in the diagram below:​
SVETLANKA909090 [29]

Hey there!

The vertical angles in the diagram shown are 2 and 3, and 1 and 4, because they are formed by 2 intersecting lines and are across from eachother.

Hope it helps and have a good day!

7 0
3 years ago
The perimeter of a square is proportional to the length of its sides. This relationship can be expressed by the equation p=4s. W
stealth61 [152]
Constant of proportionality is the constant value of the two proportional quantities, in this problem p and s, where 4 is the factor of proportionality because it is constant or k.

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In the above problem, the number 4 is derived from the word square. We all know that a square has 4 sides of equal lengths, therefore, the perimeter is equivalent to the product of 4 and its lenght.
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Answer:

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Step-by-step explanation:

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What number is between 7 and 8
VashaNatasha [74]

Answer:

7 1/2

Step-by-step explanation:

5 0
3 years ago
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