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3 years ago

Jemma wants to solve the following system using the elimination method:

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

3 0

Multiply the top by 6

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There is a bag filled with 6 blue and 5 red marbles.

adelina 88 [10]

Answer:

0.5041 = 50.41% probability of getting 2 of the same colour

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

What is the probability of getting 2 of the same colour?

Both blue or both red

Since they are replaced, we have, in each trial:

6 blue from a set of 6 + 5 = 11

5 red from a set of 6 + 5 = 11

Probability of both blue:

Each with 6/11 probability. So

$P = (\frac{6}{11})^2 = \frac{36}{121}$

Probability of both red:

Each with 5/11 probability. So

$P = (\frac{5}{11})^2 = \frac{25}{121}$

Total:

$p = \frac{36}{121} + \frac{25}{121} = \frac{61}{121} = 0.5041$

0.5041 = 50.41% probability of getting 2 of the same colour

6 0

3 years ago

sam thought of a number between ten and twenty then sam gave a clue when you count by twos and when you count by threes but not

tatuchka [14]

Sorry I do not know the answer to that

8 0

3 years ago

Consider vectors u and v, where u=(1,-1) and v=(1,1). What is the measure of the angle between the vectors? 0° 60° 90° 180°

galina1969 [7]

Answer:

HEY THERE!

Step-by-step explanation:

the correct answer for your question is 90°

5 0

3 years ago

Gavin drank 3/4 of a liter of orange juice from from a container, which was 3/8 of the orange that was originally in the contain

kow [346]

Answer:

2 liters of orange juice

Step-by-step explanation:

We know that Gaby drank 3/4 liters of juice

3/4 liters is the same as saying 0.75 liters

3/4 = 0.75

if 0.75 is 3/8 of the container we just have to divide it by 3 and multiply it by 8 and so we will get the liters of the container

(0.75/3) * 8 =

0.25 * 8 =

then initially in the container there were 2 liters of orange juice

3 0

3 years ago

the sides of a triangle are 3 whole 1 by 6 cm 4 whole 2 by 3 cm and 5 whole 2 by 3 cm. Find the total length of the three sides

Lyrx [107]

Answer:

$16\frac{2}{3}$ cm

Step-by-step explanation:

Given dimensions:

$3\frac{1}{6}$ cm by $4\frac{2}{3}$ cm by $5\frac{2}{3}$ cm

The total length:

it is the sum of all the sides;

$\frac{19}{6} + \frac{14}{3} + \frac{17}{3}$

LCM of the denominators = 6 ;

$\frac{38 + 28 + 34}{6}$ = $\frac{100}{6}$

= $\frac{50}{3}$

= $16\frac{2}{3}$ cm

5 0

3 years ago