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anyanavicka [17]
3 years ago
12

Caroline’s hair is 7 inches long and grows about ⅕ inch each month. Trinity’s hair is 10 inches long and grows about 1/10 inch e

ach month. How many months will it take for Caroline’s hair to be at least as long as Trinity’s hair?
A. 7x + 1/5 ≥ 10x + 1/10 C. 7 + 1/5x > 10 + 1/10x


B. 7 + 1/5x ≥ 10 + 1/10x D. 7 + 1/5x ≤ 10 + 1/10x
Mathematics
1 answer:
sashaice [31]3 years ago
7 0
B
I know this right away because notice how it says “EACH month.” When it includes each you have to have an “x” beside the number to make it each month. If you don’t have an x it will just be “a single month.”

Sorry if that’s confusing I’m bad at explaining but have a nice day:))
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Un microempresario realiza una inversión donde le pagan una rentabilidad del 5,36% mensual simple, él desea que esa inversión se
yarga [219]

Answer:

Deberá esperar 37.31 años para que esto ocurra.

Step-by-step explanation:

Este es un problema de interés simple.

La fórmula del interés simple viene dada por:

E = P*I*t

En el que E es la cantidad de interés ganado, P es el principal (la cantidad inicial de dinero), I es la tasa de interés (anual, como decimal) y t es el tiempo.

Después de t años, la cantidad total de dinero es:

T = E + P

5,36% mensual simple

Esto implica que I = 0.0536

Inversión se triplique ¿Cuánto tiempo deberá esperar para que esto ocurra?

Tiempo t para que la cantidad de interés sea lo doble de la cantidad inicial, o sea, E = 2P.

E = P*I*t

2P = P*I*t

It = 2

0.0536t = 2

t = \frac{2}{0.0536}

t = 37.31

Deberá esperar 37.31 años para que esto ocurra.

5 0
3 years ago
What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?
iragen [17]

Answer:

y = 2x + 2

Step-by-step explanation:

The general form

is;

y = mx + b

where m is the slope and b is the y-intercept

so we have;

y = mx + 2

To get m, substitute the point (-1,0)

So we have

0 = -m + 2

m = 2

So the equation is;

y = 2x + 2

4 0
3 years ago
739 rounded to the nearest hundred
aliya0001 [1]
700, hope that helped you! have a good day
7 0
3 years ago
Navigators locate an object by measuring its location clockwise direction from due north. The measure of the angle is called the
kotegsom [21]

Answer:

  • <em>Refer to attached.</em>

Part 1

  • Since bearing is taken from north, i.e. 90°, this will be represented by -45° on the units circle.

Part 2

  • The ordered pair is: (0.707, -0.707)

Part 3

  • sin (-45°) = -√2/2
  • cos (-45°) = √2/2
  • tan (-45°) = -1

5 0
3 years ago
I need help immediately!!!!!!!! How do I find parallel lines with no graph? Say you have y=x-10, what is parallel to that? It ma
Tanzania [10]

Parallel lines always have the same slope. If we use the example you gave, y = x - 10, the slope of the line is 1. We just have to find another line with a slope of 1. It doesn't matter what the y-intercept is, the slope just has to be the same. Some examples of parallel lines to y = x-10 are y = x, y = x + 5, or y = x - 5. Hope this helps!

8 0
4 years ago
Read 2 more answers
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