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Ilia_Sergeevich [38]
4 years ago
6

Lena tried to solve a system of linear equations algebraically and in the process found the equation 5 9. Lena thought something

was wrong, so she graphed the equations and found that were parallel lines. Explain what Lena's graph and equation could mean.
Mathematics
1 answer:
vova2212 [387]4 years ago
4 0
5.9÷76+67÷7+-8= -55 Hope this helps I tryed alll of my best
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Please help will give brainlyisttt
IRINA_888 [86]

Answer:

Either a or c

Step-by-step explanation:

Sorry I'm not entirely sure.

5 0
3 years ago
Read 2 more answers
Is this a function idk also what's the domain and range
masya89 [10]
This is a function since it passes the vertical line test. It is impossible to draw a single vertical line to have it pass through more than one point on the curve.

The domain is the set of numbers x such that x is between -3 and +3 excluding those endpoints. In other words, the domain is -3 < x < 3. We never actually get to either endpoint because of the vertical asymptotes.

The range is the set of all real numbers. It is possible to get any output we want depending on the specific input. 
3 0
4 years ago
The volume of a pyramid varies jointly as the height and the area of the base. If a pyramid has the measurements V=1144
Naddika [18.5K]

Answer:

  • 11040 m³
  • k ≈ 0.33
  • V = (1/3)Bh

Step-by-step explanation:

The given relation is ...

  V = kBh . . . . . for some base area B, height h, and constant of variation k

We are given length and width of the base so we presume it is a rectangle.

  B = l·w = 8·11 = 88 . . . . square meters

The given volume tells us the value of k:

  1144 = k(88)(39) . . . . . . cubic meters

  1144/3432 = k = 1/3 ≈ 0.33

The value of k is about 0.33.

__

Then the volume of the larger pyramid is ...

  V = (1/3)(15 m)(46 m)(48 m) = 11,040 m³

The general relationship is ...

  V = 1/3Bh

7 0
3 years ago
What is the value of x?
SSSSS [86.1K]
All angles in a triangle add up to 180

180 = 9 + 15 + 2x - 1 + 3x

180 = 24 - 1 + 2x + 3x

180 = 23 + 5x

180 - 23 = 5x

157 = 5x

Divide both sides by 5

X = 31.4 or 157/5
3 0
3 years ago
How much do I pay for the loan
Natali5045456 [20]
500 / 100 = 5          5 x 15 = 75        75 x 4 = 300     300 + 500 = 800
After the loan, you will pay $800. Hope this helps :)
4 0
3 years ago
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