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marta [7]
3 years ago
7

Maria and her husband are each starting a saving plan. Maria will initially set aside $50 and then add $30.65 every week to the

savings. The amount A (in dollars) saved this way is given by the function A=50+30.65N, where N
is the number of weeks she has been saving.
Her husband will not set an initial amount aside but will add $60.75 to the savings every week. The amount B (in dollars) saved using this plan is given by the function B=60.75N. Let T
be total amount (in dollars) saved using both plans combined. Write an equation relating T to
N. Simplify your answer as much as possible.
Mathematics
1 answer:
Anton [14]3 years ago
3 0
Im pretty sure the answer is t = 50 + 91.40n
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En cierto en la ciudad de londres la temperatura a las tres de la mañana era de -4°, una hora despues la temperatura aumenta 3°,
Feliz [49]

Answer:

<em>La temperatura a las diez de la mañana fue +2°</em>

Step-by-step explanation:

<u>Tasa de Cambio de Funciones</u>

Algunas funciones modelan el estado de una variable respecto al tiempo. La variación de ese estado en cierto intervalo se llama tasa de cambio.

En nuestro problema, tenemos información de los cambios de la temperatura en la ciudad de Londres. Hagamos la secuencia según la historia nos la cuenta:

A las tres de la mañana, la temperatura era -4°. Una hora después la temperatura aumentó 3°, por lo tanto:

A las cuatro de la mañana, la temperatura era -4°+3°=-1°. Dos horas después la temperatura desciende 5° (se obvia el signo). Por lo tanto:

A las seis de la mañana, la temperatura era -1°-5°=-6°

Las cinco horas siguientes, la temperatura aumenta 2° por hora. Queremos saber la temperatura a las diez de la mañana, es decir, cuatro horas luego de la última calculada.

Si aumenta 2° por hora, en 4 horas aumentó 4*2°=8°. Finalmente, la temperatura a las diez de la mañana fue -6°+8° = +2°

5 0
3 years ago
Sketch a graph of the following inequality and the choose the correct description of the graph: x + y - 5 ≥ 0
maxonik [38]

Answer:

Slope -1, y intercept +5.

Bold line, shaded above

Step-by-step explanation:

x + y - 5 ≥ 0

y ≥ -x + 5

3 0
3 years ago
Y=2x+10 find y if x = -2
Alexxandr [17]

Answer:

the answer will be y = 6

hope this helps :)

4 0
4 years ago
Read 2 more answers
A parking garage charges a flat rate for the first hour plus $1.25 for each additional hour of parking. It costs $8.00 to park i
Akimi4 [234]

Find the flat rate:

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8.00 -5.00 = 3

The flat rate is $3

The equation would be:

D. Y= 1.25x + 3

4 0
3 years ago
Find a2 and a3 for the geometric sequence 4, a2, a3, 108.
LekaFEV [45]

9514 1404 393

Answer:

  a2 = 12

  a3 = 36

Step-by-step explanation:

Terms of a geometric sequence have a common ratio. If we call that ratio r, then we have ...

  a2 = 4r

  a3 = (a2)r = 4r^2

  108 = (a3)r = 4r^3

  27 = r^3 . . . . . . . . . . . divide by 4

  3 = r . . . . . . . . . . cube root

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  a2 = 4(3) = 12

  a3 = 12(3) = 36

3 0
3 years ago
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