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beks73 [17]
3 years ago
9

Whoever can answer this word problem first gets Brainiest!

Mathematics
2 answers:
suter [353]3 years ago
7 0

Answer:

150

Step-by-step explanation:

zhenek [66]3 years ago
4 0

Answer:

150 meters

Step-by-step explanation:

Look at the attachment

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Simultaneously x-2y=0 40-y=14​
harkovskaia [24]

Answer:

x = 52, y = 26

Step-by-step explanation:

x - 2y = 0

40 - y = 14​

(40 - 40) - y = 14​ - 40

- y = -26

y = 26

x - 2(26) = 0

x - 52 = 0

x (- 52 + 52) = 0 + 52

x = 52

7 0
3 years ago
Factor x3 + 2x2 + x completely
NARA [144]

Answer:

x(x+1)²

Step-by-step explanation:

x is a common factor to all terms so the first step is to factor it out:

... x(x² +2x +1)

The quadratic factor is recognizable as the square (x+1)², so the factoring is ...

... x(x +1)²

3 0
3 years ago
Read 2 more answers
Stella wants to buy a remote control helicopter. The one she wants costs $120.
aalyn [17]

.45 * 120 = 54

.072 * 54 = 3.888

54 + 3.888 = 57.888= $57.89

5 0
2 years ago
Read 2 more answers
The vertex of the parabola below is at the point (-4,-2) wich of the equations below could be the one for this parabola
MrRissso [65]

The parabola with with a vertex at (-4,-2) represents any member of parabolas with the equation y(x)=a(x+4)^2-2 where a is any real number with the exception that  a\neq 0.

The reason any equation  of the form y(x)=a(x+4)^2-2 works is that there are an infinite number of parabolas with a vertex at (-4,-2). All of these parabolas are formed by applying some transformation that involves a vertical translation of -2 and a horizontal translation of -4 on the parabola y=x^2. The different variations are archived by varying the constant a.  When a is negative, the parabolas will face downwards. When a is negative, the parabolas will be face downwards.

6 0
3 years ago
Read 2 more answers
13. Jody is supplying his food truck for the week. He buys 32 pounds of pork and 50 pounds of chicken for a total of $185. He re
larisa [96]

Answer:

Pork is $1.75 per pound (x=1.75)

Chicken is $2.58 per pound (y=2.58)

Step-by-step explanation:

<u>Key skills needed for this problem: Linear Equations, Systems, Elimination</u>

1) Use x and y for the pork and the chicken and you will get 2 equations:

  • 32x + 50y = 185
  • 8x + 20y = 65.6

We can use elimination in this system.

2) To use elimination, we can multiply the 2nd equation by -4:

-4(8x + 20y) = 65.6(-4) becomes -32x-80y = -262.40

3) Next add both equations:

32x + 50y = 185

+

-32x - 80y = -262.4

-----------------------------

-30y = -77.4

y = $2.58

4) Next we can substitute the y value into one of the equations. I like the first one so I used that one ---> 32x + 50(2.58) = 185

50(2.58) is equal to 129 so ---> 32x + 129 = 185

                                                           -129     -129

                                                   ------------------------

                                                    32x = 56

                                       Divide by 32 and get x= $1.75

5) Therefore, It is $1.75 per pound of pork, and $2.58 per pound of beef.

<em>Hope you understood and have a nice day!! :D</em>

4 0
3 years ago
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