3 years ago

chickens cutlets are on sale for $3.48 per pound how much will it cost o buy 3.5 pounds of chicken cutlets?

Mathematics

2 answers:

Daniel [21]3 years ago

8 0

12.18 you multiply the 3.48 times 3.5

Norma-Jean [14]3 years ago

7 0

The answer is $12.80 because you have to multiply 3.48 by 3.5

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(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate

Anon25 [30]

Answer:

The margin of error (E) $=0.49$

Step-by-step explanation:

Given,

mean $\bar{x}=6.88$

standard deviation $\sigma=1.90$

sample size $n=41$

$90\% \quad \text{confidence interval}$

Critical value $=\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]$

$=1-0.90$

$\Rightarrow \alpha=0.1$

Critical value $=\frac{z_{0.1}}{2}$

$=z_{0.05}$

$=1.645$

The margin of error (E) $=\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }$

$=1.645\times\frac{1.90}{\sqrt{41} }$

$=0.49$

Hence, The margin of error (E) $=0.49$

Complete question is attached in below.

7 0

3 years ago

hjlf

4x - 3y + 20 = 0....4x - 3y = -21

4x - 3y = -21.....multiply by -2
5x - 6y = -25
----------------
-8x + 6y = 42 (result of multiplying by -2)
5x - 6y = -25
---------------add
-3x = 17
x = -17/3

this system of equations has 1 solution

4 0

3 years ago

(5x-12)+(3x+30)+(48)

skelet666 [1.2K]

Answer:

8x+66

Step-by-step explanation:

8 0

2 years ago

C + 25 - 19 = 100 uggghh

larisa86 [58]

Answer:

c=6

Step-by-step explanation:

c+25-19=100

isolate variable...

c+25-19+19=100+19

c+25=119

c+25-25=119-25

c=6

6 0

2 years ago

Read 2 more answers

(1 pt) Which answer best describes the solution to the equation 3m – 9 = 9 + 3m?

seropon [69]

3m-9=9+3m
add 9 to both sides
3m=18+3m
minus 3m both sides
0=18
false
no solution

the best discription would be an empty solution set

3 0

2 years ago