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3 years ago

Im terrible at this can somone help plz

Mathematics

1 answer:

arsen [322]3 years ago

7 0

One answer is 6/10 ths; i hope this helps (;

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There is a bag filled with 4 blue, 3 red and 5 green marbles.

Vsevolod [243]

<h2>The chances of receiving two greens are 5/31.</h2>

Given a bag containing four blue, three red, and five green marbles, the total result is:

Total number of balls = 4 + 3 + 5 = 12

If green is chosen first, the chances of picking a green are 5/12.

The probability that the second stone is green is 4/11 if it is picked and not replaced (4 greens remaining)

The chance of earning two greens is 5/12 4/11.

The chance of getting two greens is 20/132.

The chance of earning two greens is 5/31.

<h3>As a result, the chance of getting two greens is 5/31.</h3>

7 0

2 years ago

A good-quality measuring tape can be off by 0.49 cm over a distance of 23 m. What is the percent uncertainty?33% Part (a) If 44

V125BC [204]

Step-by-step explanation:

First:

(Error/Total )x 100%

(0.49/23) x100%= 2.13%

Second:

(Absolute uncertainty/mean) x100%

(3/44)x100%= 6.81%

8 0

3 years ago

I need this fast guys. This is due tomorrow help a fellow comrade out

gavmur [86]

So whats the answer. please help me I got a test of this

3 0

3 years ago

Which equation shows the value of -2/5 - -9/15

Alika [10]

Answer:

D) 3/15

Step-by-step explanation:

(-2/5) - (-9/15) = (-6/15) - (-9/15) = (-6/15) + (9/15) = 3/15

6 0

3 years ago

Please help ASAP!!!!!!!!!!!

Effectus [21]

Answer:

x = 3.76 ft

Step-by-step explanation:

To find the missing side, "x", solve using proportions.

In similar polygons, the 'new' polygon was created by multiplying every side of the 'old' polygon by the same number. Every side was multiply by the scale factor, "k", which tells you how much a polygon grew (k>1) or shrunk (0<k<1).

Therefore, if you divided the pairs of corresponding sides, they would be equal.

From the diagram, you can tell that the following sides correspond:

CB ~ GF

AB ~ EF

Use the proportion

$\frac{EF}{AB} = \frac{GF}{CB}$

$\frac{x}{6ft} = \frac{3.3ft}{5ft}$ Substitute values from diagram

$6ft*\frac{x}{6ft} = 6ft*\frac{3.3ft}{5ft}$ Multiply both sides by 6 ft

$x = \frac{6ft*3.3ft}{5ft}$ "x" is isolated. Multiply fraction by combining into numerator

$x = \frac{19.8ft}{5ft}$ Solved numerator. Divide for decimal answer.

$x = 3.76ft$

The value of 'x' is 3.76 ft.

4 0

3 years ago