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Darya [45]
3 years ago
14

Pls help!!solve for x y=2x+48solve for yy=9x+13

Mathematics
2 answers:
8090 [49]3 years ago
7 0
Wait is it a system of equation or you just want the expression of X and Y
natali 33 [55]3 years ago
4 0
Y = 2x + 48
-1 (y = 9x + 13)
---------------------
y = 2x + 48
-y = -9x -13
-------------------
0 = -7x + 35
+7x = +7x
--------------------
7x = 35

x = 5


y = 2x + 48
y = 2(5) + 48
y = 10 + 48
y = 58


x is 5
y is 58
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What is the volume of the geometric solid produced by the triangle below
Dmitrij [34]

Answer:

The volume of the geometric solid produced is 391 cubic cm ⇒ A

Step-by-step explanation:

<em>When a </em><em>right triangle is rotated about its vertical leg 360°</em><em>, then it formed </em><em>a cone</em><em> its radius is the horizontal leg of the triangle and its height is the vertical lege of the triangle.</em>

The rule of the volume of the cone is V = \frac{1}{3} π r² h, where

  • r is the radius of its base
  • h is the length of its height

∵ Triangle XYZ is rotated 360° about the vertical side YZ

∴ It formed a cone with a radius = XZ and a height = YZ

∵ \frac{YZ}{XZ}=tan(60)

∵ YX = 6√3

∴ \frac{6\sqrt{3}}{XZ}=tan(60)

∵ tan(60) = √3

∴ \frac{6\sqrt{3}}{XZ} = √3

→ By using cross multiplication

∴ 6√3 = XZ(√3)

→ Divide both sides by √3

∴ 6 = XZ

∵ XZ = r and YZ = h

∴ r = 6 and h = 6√3

→ By using the rule of the cone above

∵ V = \frac{1}{3} (π) (6)² (6√3)

∴ V ≅ 391 cm³

∴ The volume of the geometric solid produced is 391 cubic cm

4 0
3 years ago
This is so confusing D: Please help
just olya [345]
4 treats x=4 yesssssss i think thats it
7 0
3 years ago
The function f(x) = x2 has been translated 9 units up and 4 units to the right to form the function g(x). Which represents g(x)?
Alenkinab [10]

For this case, the parent function is given by:

f (x) = x ^ 2

We apply the following transformations:


Vertical translations:

Suppose that k> 0

To graph y = f (x) + k, move the graph of k units upwards:

For k = 9 we have:

h (x) = x ^ 2 + 9


Horizontal translations:

Suppose that h> 0

To graph y = f (x-h), move the graph of h units to the right

For h = 4 we have:

g (x) = (x-4) ^ 2 + 9

Answer:

The function g (x) is given by:

g (x) = (x-4) ^ 2 + 9

7 0
3 years ago
Read 2 more answers
Help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
yaroslaw [1]

Answer:

The answer is 4z^2 + 7z

Step-by-step explanation:

7z + 4z^2 +6 - 6

So, just combine like term which is 6 - 6 = 0

So, the remaining is 4z^2 + 7z that cannot be simplified anymore

7 0
2 years ago
find a number such that if 8 is subtracted from 9 times the number , the result is 6 more than twice the number​
zheka24 [161]

Answer:

x=2

Step-by-step explanation:

let the number be x

9x-8=6+2x

9x-2x=6+8

7x=14

x=14/7

x=2

8 0
3 years ago
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