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3 years ago

4/5 of Sarah's pens are equal to 1/5 of matts pens

Mathematics

1 answer:

azamat3 years ago

7 0

Ok so whats the question

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A council of three people is to be chosen from a group of 4 lawyers, one artist, and 3 teachers

padilas [110]

Answer: 0.2857

<u>Step-by-step explanation:</u>

At least one teacher means exactly 1 or exactly 2 or exactly 3 teachers. Find the probability of each and add them up.

$\text{One teacher}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{5\ others}{7\ people}\times \dfrac{4\ others}{6\ people}=\dfrac{5}{28}=0.1786\\\\\\\text{Two teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{5\ others}{6\ people}=\dfrac{5}{56}=0.0893\\\\\\\text{Three teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{1\ teacher}{6\ people}=\dfrac{1}{56}=0.0179$

One teacher + Two teachers + Three teachers = 0.2857

4 0

2 years ago

What is the volume to the composite figure.

yarga [219]

Answer:

462 $cm^{3}$

Step-by-step explanation:

Rectangular Prism: 7 x 8 x 6 = 336

Triangular Prism: (0.5 x 7 x 6) x 6 = 126

336 + 126 = 462

5 0

2 years ago

What is the midpoint of GH if the coordinates of G and H are (2,5) and (-6,3)

spayn [35]

Mid point of x:
{2-(-6)} : 2
8 : 2
4

mid point of y:
(5-3) : 2
2 : 2
1

so (4,1)

7 0

2 years ago

I need help w number 5 pls !!

OleMash [197]

Answer:

Step-by-step explanation:

the parameter of B figure is

12+9+9+5

as we know the scale factor is 7/2

so the parameter of A figure is

35×7/2

122.5

5 0

2 years ago

Chile I don’t know this

jolli1 [7]

The answer is 39 degrees

6 0

2 years ago