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fgiga [73]
3 years ago
14

Which of the following is the slope of the line passing through each pair of points?

Mathematics
1 answer:
AlladinOne [14]3 years ago
3 0
Teehee gacha but look it up on quizlet or what the person above me said
You might be interested in
Evidencia de aprendizaje Se desea obtener 80 kilogramos de café molido mezclando café arábico de S/18 el kilogramo y café torrad
SIZIF [17.4K]

Answer:

50kg de café torrado

30kg de café arábico

Step-by-step explanation:

Queremos obtener un total de 80kg de café molido.

Se utilizarán:

Café arábico, que cuesta $18 el kg

Café torrado, que cuesta $10 el kg

Queremos que el precio, por kilo, de la mezcla de 80kg sea $13.

Ok, primero debemos definir las variables:

Definamos:

x = cantidad de café arábico usado

y = cantidad de café torrado usado.

Entonces, como la mezcla deberá tener 80kg en total, tenemos:

x + y = 80kg

Y el costo total de esta mezcla será:

x*$18 + y*$10

Si lo dividimos por el peso total, tendremos el costo por kilo, que es:

(x*$18 + y*$10)/80kg

Y queremos que esto sea igual a $13, entonces tenemos la ecuación

(x*$18 + y*$10)/80kg = $13

Ok, ahora tenemos dos ecuaciones, es decir, tenemos un sistema de ecuaciones:

x + y = 80kg

(x*$18 + y*$10) = $13*80kg

(donde reescribimos levemente la segunda ecuación)

Ok, para resolver este sistema trataremos de reemplazar variables, para ello, el primer paso es aislar una de las variables en una de las ecuaciones.

Aislemos x en la primera:

x = 80kg - y

Ahora reemplazamos esto en la otra ecuación:

(x*$18 + y*$10) = $13*80kg

(( 80kg - y)*$18 + y*$10) = $13*80kg

Ahora podemos resolver esto para la variable y:

$18*80kg - $18*y + $10*y = $13*80kg

$18*80kg - $13*80kg = $18*y - $10*y

($18 - $13)*80kg = ($18 - $10)*y

$5*80kg = $8*y

($5*80kg)/$8 = y

50kg = y

Se usan 50kg de café torrado.

y como:

x + y = 80kg

x = 80kg - y

x = 80kg - 50kg = 30kg

Entonces los 30kg restantes serán de café arábico.

y la estrategia utilizada fue el remplazo de variables.

6 0
3 years ago
The total cost ,c, of renting a Canoe for n hours can be represented by a system of equations. Write the system of equations tha
Brut [27]

Answer:  \left \{ {{c=28} \atop {c=3n+13}} \right.

Step-by-step explanation:

<h3> The missing data is: " The cost of renting a conoe to use on River Y costs $28. The cost of renting a conoe to use on River Z costs $3 per hour plus a $13 deposit".</h3>

Let's find the first equation.

You know that the cost of renting a conoe to use on River Y costs $28. This is:

c=28

To find the second equation you need to remember the Slope-Intercept form of a Linear equation. This is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Since the cost of renting a conoe to use on River Z costs $3 per hour plus a $13 deposit, you can identify that:

m=3\\b=13

Therefore,  the equation that represents this situation is:

c=3n+13

So, the System of equations that could be used to find the total cost "c" of renting a canoe for "n" hours, is:

\left \{ {{c=28} \atop {c=3n+13}} \right.

8 0
3 years ago
Find the unknown side of the right triangle. Round to the nearest thousandths. One side is 9yd, the other side is 12 yd.
lakkis [162]
You haven't told us whether 9 and 12 are the two legs of the triangle, or whether the 12yd is the longest side.

<u>If the 9 and the 12 are the two legs, then</u>:
C² = A² + B²
C² = 81 + 144
C² = 225
C = <u>15 yd</u>

<u>If the 12 is the longest side, then</u>:
(12)² = (9)² + B²
B² = (12)² - (9)² = 144 - 81 = 63
B = √63 = <u>7.937</u>yd  (rounded)
7 0
3 years ago
Find the quotient 22,080 ÷ 24?
Nikolay [14]

Answer:920

Step-by-step explanation:

plug it in a calculator

4 0
3 years ago
Read 2 more answers
1. What is m<br> A 51<br><br> B 129<br><br> C 134<br><br> D 141
iren2701 [21]
Answer
D
Explanation
5 0
3 years ago
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