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3 years ago

Help with some homework please

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

8 0

Sorry I don’t get this one anymore ???

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Calculate the median of 5,10,12,4,6,11,13,15

Firlakuza [10]

The median would be 10.5

7 0

3 years ago

Sara has 20 sweets.

nalin [4]

Answer:

The probability that the two sweet will not be same type is $\frac{111}{190}$

Step-by-step explanation:

P(two sweets not same) = 1 - P( two sweets will be same)

There are 3 possible outcomes where two sweets will be same.

1. it can be two liquor-ice, 2. it can be 2 mint and 3. it can be two humbug

P(two liquor-ice) $=\frac{12}{20} \times\frac{11}{19}= \frac{33}{95}$

P(two mint) $=\frac{5}{20} \times \frac{4}{19} =\frac{1}{19}$

P(tow humbug) $=\frac{3}{20} \times\frac{2}{19} =\frac{3}{190}$

Now we have:

P(two sweets not same) = 1 - P( two sweets will be same)

$=1- \left(\frac{33}{95}+ \frac{1}{19}+ \frac{3}{190} \right)$

$1-\frac{79}{190}$

$=\frac{111}{190}$

Therefore, the probability that the two sweet will not be same type is $\frac{111}{190}$

3 0

3 years ago

Which sum or difference is equivalent to the following expression 3x-2/9

aleksandr82 [10.1K]

Answer:

The answer is the first one 1/3X-2/9

Step-by-step explanation:

The answer is the first one because when you apply the distributive property with the 9 division, you get the exact same number as the first option

(3x-2)÷9== (3÷9)X-(2÷9)---> 1/3X-2/9

7 0

3 years ago

Drag the tiles to the correct boxes to complete the pairs.

sergeinik [125]

Answer:

A. 6.32455 inch

B. 71.565°

C. 36.87°

Step-by-step explanation:

A. to find slant height we shall use Pythagoras theorem:

AC^2 = AB^2 + BC^2

AC^2 = 2^2 + 6^2

AC = 6.32455 inch ......... that's the slant height of the cone

B. here we have to find angle A, its where the line segment lies on the base

we use sin cos tan formula

opposite/ adjacent = tan (A)

A = tan^-1(6/2)

=71.565°

C. we have to find the angle where opposite both slant height meets, that's angle C.

as its a right angle triangle we can find half of C° = ( 180° - 90° - 71.565° ) =18.43494882°

So C angle shall be = 18.43494882° * 2

=36.87°

5 0

2 years ago

What is the rate of change of y with respect to x for this function?

d1i1m1o1n [39]

Answer:

Rate of change = -0.2

Step-by-step explanation:

Given:

(-3, 3.6) and (5, 2)

Required:

Rate of change

Solution:

Formula for rate of change = change in y/change in x = $\frac{y_2 - y_1}{x_2 - x_1}$

Let,

(-3, 3.6) = (x_1, y_1)

(5, 2) = (x_2, y_2)

Plug in the values into the equation:

Rate of change = $\frac{2 - 3.6}{5 -(-3)}$

Rate of change = $\frac{-1.6}{8}$ = -0.2

8 0

3 years ago