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3 years ago

Whats 8 x 2 40 points

Mathematics

1 answer:

Sever21 [200]3 years ago

4 0

Answer:

Error hehehheheheh

Step-by-step explanation:

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Simplify: -2 1/3 - (-10 1/6) 1) -12 1/2 2) 12 1/2 3) 7 5/6 4) -7 5/6

marshall27 [118]

Answer:

- 5 16/22

Step-by-step explanation:

idk

7 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

3 years ago

HELPP

wolverine [178]

Answer:

It would\ be -7 F.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Stewart has a home-based business putting on children’s parties. He charges $60 to design the party and then $6.00 per child. Wr

Aleksandr [31]

Answer:

Step-by-step explanation:

numbers of students = n

party decoration charge = 60

per child cost = 6

so, therefore

f(n) = 60 + 6n

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7 0

3 years ago

Read 2 more answers

What is the constant of proportionality for the relationship shown in the table? x 2 4 6 8 y 1 2 3 4

Tamiku [17]

Answer:

$k = \frac{1}{2}$

Step-by-step explanation:

Given

x 2 4 6 8

y 1 2 3 4

Required

Determine the constant of proportionality (k)

The relationship between x and y is:

$y = kx$

When y = 1, x = 2;

So, we have:

$1 = k * 2$

$2 * k = 1$

Make k the subject

$k = \frac{1}{2}$

Hence, the constant of proportionality is 1/2

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3 years ago