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weqwewe [10]
3 years ago
9

¿Como encontrar los dos puntos de una gráfica?

Mathematics
1 answer:
blagie [28]3 years ago
4 0
Si estas haciendo una linea recta vas a necesitar dos puntos. Los encuentras poniendo un numero por x en la formula para que te de un numero, y. Y te va dar (x, y). Lo haces otravez con otro valor de x y ese te va dar (x2, y2). Y luego los conectas con una linea.
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At an ice cream store, a family ordered 1 banana split and 2 hot fudge sundaes, paying a total of $11 for their order. The next
Vladimir [108]

Answer:

$5 and $3

Step-by-step explanation:

Cost of banana split = b

Cost of hot fudge sundae = s

  • b + 2s = 11
  • 4b + 3s = 29

<u>From the first equation we get: </u>

  • b = 11 - 2s

<u>Replacing in the second equation:</u>

  • 4(11 - 2s) + 3s = 29
  • 44 - 8s + 3s = 29
  • 44 - 29 = 5s
  • 15 = 5s
  • s = 15/5
  • s = 3

Then

  • b = 11 - 2*3 = 11 - 6 = 5

So banana split costs $5 and hot fudge sundae costs $3

8 0
3 years ago
What is 50/45 simplified
icang [17]

Answer:

10/9 is the simplified fraction for 50/45.

Step-by-step explanation:

3 0
3 years ago
line p contains points A(-7,-9) and B(4,0) line q is parallel to line p line r is perpendicular to line q what is the slope of l
igomit [66]
Use the slope formula (y2-y1)/(x2-x1)
(0+9)/(4+7)=9/11
Since q is parallel to r the slope will be the same. 9/11 is the slope of line r
4 0
3 years ago
A drug used to relieve anxiety and nervousness has a half-life of 16 hours. if a doctor prescribes one 2.8-milligram every 24 ho
dlinn [17]

After 24 hours, 35.4% of the initial dosage remains on the body.

<h3>What percentage of the last dosage remains?</h3>

The exponential decay is written as:

f(x) = A*e^{-k*x}

Where A is the initial value, in this case 2.8mg.

k is the constant of decay, given by the logarithm of 2 over the half life, in this case, is:

k = ln(2)/16h

Replacing all that in the above formula, and evaluating in x = 24 hours we get:

f(24h) = 2.8mg*e^{-24h*ln(2)/16h} = 0.9899 mg

The percentage of the initial dosage that remains is:

P = \frac{0.9899mg}{2.8mg}*100\% = 35.4\%

If you want to learn more about exponential decays:

brainly.com/question/11464095

#SPJ1

8 0
2 years ago
(18x3-3x2++x-1)/(x2-4)
Gwar [14]
18x^5-3x^4+x^3-x^2-72x^3+12x^2-4x+4, and then you will combine like terms to be :

18x^5-3x^4-71x^3+11x^2-4x+4
4 0
3 years ago
Read 2 more answers
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