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Hunter-Best [27]
3 years ago
9

Help please I really need it

Mathematics
1 answer:
KatRina [158]3 years ago
8 0

First write the equation 8 + 12 > x because according to the triangle property, the sum of any 2 sides have to be greater than the third side. This means that the difference of any two sides should be smaller than the third side.


So, the answer would be 4 < x < 20.



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Sindrei [870]

Answer:

Ok

Step-by-step explanation:

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4 0
3 years ago
Hey its really easy but help me pls
natita [175]

Answer:

D) 26/48

Step-by-step explanation:

/ = division sign

26/48 also means 26 divided by 48.

Simple math.

5 0
3 years ago
Read 2 more answers
Solve the system of equations below.
Ostrovityanka [42]
C - no solution
you take the second solution and times the entire equation by -1
then simply
and you get 0x + 0y = 20
5 0
3 years ago
Read 2 more answers
June bought ​ 3 1 2 312 ​ gallons of white paint at $17.50 per gallon and ​ 1 3 4 134 ​gallons of blue paint at $19.00 per gallo
algol [13]
312* 17.5= 5460.00

134*19=2546

2546+5460= $8,006.00
5 0
3 years ago
What is the focus of the parabola given the equation y=x^2+4x-1
IrinaK [193]
Let's first rewrite it in vertex form.
Start by completing the square.
y = x² + 4x + 4 - 4 - 1
y = (x + 2)² - 5
(x + 2)² = y + 5

Now, 4a = 1; a = \frac{1}{4}

So, the vertex form is (x + 2)² = 4(\frac{1}{4})(y + 5)
So, we know that the vertex is at (-2, -5).
Since it's a concave up parabola, we just have to change the y-value to find the focus.

∴ F(-2, -5 + \frac{1}{4})
F(-2, \frac{-19}{4})
3 0
3 years ago
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