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3 years ago

I am so lonely someone help me plz

Mathematics

2 answers:

SashulF [63]3 years ago

8 0

Answer: you are important

Step-by-step explanation: jus remember that when you feel alone, there’s always at least 1 person who cares about you. You matter! You are loved! You are beautiful! Go look in the mirror and tell yourself you are beautiful, you are important, and you are loved! Keep pushing thru

Blizzard [7]3 years ago

6 0

Answer:

Step-by-step explanation:

lol

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Alicia has 7 paintings she wants to hang side by side on her wall.

melisa1 [442]

The question is an illustration of permutation and combinations.

The number of ways she can choose 4 out of the 7 paintings is 35
The number of ways she can arrange 4 out of the 7 paintings is 840

The given parameters are:

$\mathbf{n = 7}$

$\mathbf{r = 4}$

(a) Choose 4 of 7 paintings

Choosing 4 of 7 paintings implies combination.

So, we have:

$\mathbf{^nC_r = \frac{n!}{(n - r)!r!}}$

Substitute values for n and r

$\mathbf{^7C_4 = \frac{7!}{(7 - 4)!4!}}$

$\mathbf{^7C_4 = \frac{7!}{3!4!}}$

Expand

$\mathbf{^7C_4 = \frac{7 \times 6 \times 5 \times 4!}{3 \times 2 \times 1 \times 4 !}}$

$\mathbf{^7C_4 = 35}$

Hence, the number of ways she can choose 4 out of the 7 paintings is 35

(b) Arrange 4 of 7 paintings

Arranging 4 of 7 paintings implies permutation.

So, we have:

$\mathbf{^nP_r = \frac{n!}{(n - r)!}}$

Substitute values for n and r

$\mathbf{^7P_4 = \frac{7!}{(7 - 4)!}}$

$\mathbf{^7P_4 = \frac{7!}{3!}}$

Expand

$\mathbf{^7P_4 = \frac{7 \times 6 \times 5 \times 4 \times 3!}{3!}}$

$\mathbf{^7P_4 = 840}$

Hence, the number of ways she can arrange 4 out of the 7 paintings is 840

Read more about permutation and combinations at:

brainly.com/question/15301090

8 0

3 years ago

How do you find the missing base of an exponent? Example: <img src="https://tex.z-dn.net/?f=%20%20%7B%3F%7D%5E%7B3%20%7D%20%2

iVinArrow [24]

Well ? Multiplied by it self would be the answer so ?=5

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3 years ago

6248 divided by 38 Quotient: Remainder:

AlekseyPX

Quotient: 164
Remainder: 8/19

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4 years ago

Differences in linear and quadratic equations

BabaBlast [244]

Answer:

linear equation has two variables doesn't involve any power

quadratic equation involves one of the variables raised to the second power.

Step-by-step explanation:

A linear equation in two variables doesn't involve any power higher than one for either variable. It has the general form Ax + By + C = 0, where A, B and C are constants. ... A quadratic equation, on the other hand, involves one of the variables raised to the second power.

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3 years ago

Write the equation of the line that passes through the point (-3, -1) with a slope of -2/3

svp [43]

-1=-2/3(-3) + b

-1=2 + b

b=-3

Y= -2/3x -3

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3 years ago