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serious [3.7K]
4 years ago
7

Slice the system of equations below 4×+y=16 and 2×+y=-2

Mathematics
1 answer:
BartSMP [9]4 years ago
5 0
Answer: x = 9, y = -14

Explanation:

4x + y = 16 
2x + y = -2<span>

</span>   4x + y = 16 
-  2x + y = -2
-------------------
   2x + 0 = 18
-------------------

2x = 18
x = 9         <<<<<  ¯\_(ツ)_/¯ For the value of x

Plug x = 9 into  2x + y = -2

2(9) + y = -2
12 + y = -2
y = -14         <<<<<  ¯\_(ツ)_/¯ For the value of y

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7+ [1 + (3×6+5)] ÷ 2​
Alex17521 [72]

Answer: 25

Step-by-step explanation:

Multiplication and Division always come before Addition and Subtraction unless they are in brackets, which has top priority. In this case, the order would be ( ) [ ] ÷ +

( ) :

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[ ] :

35 + 1 = 36

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Which describes the cross section of the square prism that passes through the vertices A, B, C, and D shown
sasho [114]

Answer:

first of all,

Step-by-step explanation:

In triangle ABC one side equal  and two sides equal  

Step-by-step explanation:

We are given a prism whose base is square with sides 8 in and height 12 in.

If we take cross section through vertices A, B and C

We will get a cross section as triangle.

In triangle ABC, sides are AB, BC and AC

AB is diagonal of top square whose side 8 in.

AC is face diagonal of front face.

BC is face diagonal of right face.

AC=BC≠AB

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Hope this helps!!

5 0
3 years ago
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Read 2 more answers
X + 2y = 200<br> x = y + 50
Simora [160]

Answer:

x = 100

y = 50

Step-by-step explanation:

if x = y + 50,

putting the value of x in first equation we get,

  • x + 2y = 200
  • y + 50 + 2y = 200
  • 3y = 200 - 50
  • y = 150 / 3
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putting the value of y in second equation,

  • x = y + 50
  • x = 50 + 50
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<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em>

8 0
3 years ago
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