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3 years ago

10

Hallar 2 numeros tales que 3 veses el segundo menos 6 veses el primero da por resultado 9; al mismo tiempo que 12 veses el prime

ro menos 6 veses el segundo da por resultado 18. Necesito las ecuaciones y el resultado por favor

1 answer:

Ksivusya [100]3 years ago

5 0

This is confusion question can someone help to solve it.

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Evan randomly selects 30 marbles from a bag. His data is given in the table.

Igoryamba

The probability of selecting a yellow marble is #of yellow marbles/total # of marbles= 6/30 or .2 or 20%

If there are 300 marbles in the bag, a good estimate for the total number of red marbles in the bag is 90.

9/30=.3 = the percentage of red marbles
.3(300) = 90

3 0

2 years ago

Which of the lines is perpendicular to the line shown in the graph

Nitella [24]

Answer:

The line passing through (-8, 10) and (-1, 4).

Step-by-step explanation:

Two lines are perpendicular if the product of their slopes is -1. The slope of the line in the picture is $7\over 6$ , so we should find a line with slope of $-6\over 7$ .

Note that the slope of the line in the last option is $-7\over 6$ .

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3 years ago

What is 948 divided by 1,000

lana [24]

948 divided by 1,000 is 0.948

4 0

3 years ago

Illusion [34]

$\frac{-1}{3} + \frac{-3}{5}$
You need to use the equation for adding fractions, which is $\frac{a}{b} + \frac{c}{d} =(ad+bc)/bd$

In this case, a=-1, b=3, c=-3, d=5.

$
 \frac{(-1*5)+(3*-3)}{(3*5)}$

simplify

answer: $\frac{-14}{15}$

3 0

3 years ago

Read 2 more answers

A bag contains 42 red, 45 green, 20 yellow, and 32 purple candies, you pick one candy at random, find the probability that it is

Gnesinka [82]

Answer:

P (green/yellow) = 65/139

Step-by-step explanation:

42 + 45 + 20 + 32 = 139 possibilities

45 + 20 = 65 desired outcomes

65/139

Hope this helps!

3 0

3 years ago