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3 years ago

Find the value of x plz :(

Mathematics

1 answer:

lutik1710 [3]3 years ago

6 0

Answer:

stop

Step-by-step explanation:

stop using this app, the chances of you actually getting a helpful response or even one at all are so slim, just pay an actual tutor at this point

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HELP PLEASE SOMEONE SOMBOBY ANYONE SMART I NEED THE NERDS PLEASE

11111nata11111 [884]

Answer:

G. 4/7

Step-by-step explanation:

They both equal to -4 using that value

4 0

3 years ago

A contractor has submitted bids on three state jobs: an office building, a theater, and a parking garage. State rules do not all

german

Answer:

The following are the answer to this question:

Step-by-step explanation:

In the given question the numeric value is missing which is defined in the attached file please fine it.

Calculating the probability of the distribution for x:

$\to f(x) = 0.19\ for \ x=14\\\\\to f(x) = 0.29 \ for\ x=7\\\\\to f(x) = 0.38\ for \ x=1\\\\\to f(x)=0.14 \ for \ x=0\\$

The formula for calculating the mean value:

$\bold{ E(X)= x \times f(x)}$

$=14 \times 0.19+7 \times 0.29+1 \times 0.38+0\times 0.14\\\\=2.66 + 2.03+0.38+ 0\\\\=5.07$

$\bold{E(X^2) = x^2 \times f(x)}$

$=14^2 \times 0.19+7^2 \times 0.29+1^2 \times 0.38+0^2 \times 0.14 \\\\=196 \times 0.19+ 49 \times 0.29+1 \times 0.38+0 \times 0.14\\\\= 37.24+ 14.21+ 0.38+0 \\\\=51.83$

use formula for calculating the Variance:

$\to \bold{\text{Variance}= E(X^2) -[E(X)]^2}$

$= 51.83 - (5.07)^2\\\\= 51.83 - 25.70\\\\=26.13$

calculating the value of standard deivation:

Standard Deivation (SD) = $\sqrt{Variance}$

$= \sqrt{26.13} \\\\=5.111$

6 0

4 years ago

How many solutions do the following equations have ? Please helppppp

Svetllana [295]

Answer:

a) no solution

b) no Solution

c) -8

d) -1

sorry if this is wrong this is my first time doing this stuff and im not that great at math, but I helped the best i could

Step-by-step explanation:

7 0

3 years ago

Help!! This assignment is due in one hour..

zubka84 [21]

I think it’s y=n+15

The common difference is 1

16+1= 17 17+1=18 and so on

3 0

3 years ago

Please help me with #1.

AnnZ [28]

Answer:

810 square meters

Step-by-step explanation:

I did 12 x 15 x 18 and got 3240

then I divided 3240 by 4 because there are 4 sides of it which gave me 810

Hope This helps!

6 0

4 years ago