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irakobra [83]
3 years ago
6

Show the work please and thanks

Mathematics
1 answer:
GalinKa [24]3 years ago
3 0

Answer:

I don't really know how to show the work for this one but the answer should be 13 because angle CA is 8 too if Angles CA were to be rotated on to the X line BC it would like be almost about the same size as Anglesey are whatever and that what it would be like a few inches or whatever a few inches longer I guess

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A television costs $450. During a special sale, it’s marked 1\3 off. What’s the sales price of the tv?
Darina [25.2K]

Answer:

150

Step-by-step explanation:

4 0
3 years ago
What is the perimeter of a lawn that is 25 feet long and 20 feet wide?
Inessa [10]

Answer:

Hey

Step-by-step explanation:

500 feet total is your answer because if you multiply the two numbers you et 500

7 0
3 years ago
A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike sympto
polet [3.4K]

Answer:

A (52,2%, 55,8%)

Step-by-step explanation:

To get the confidence interval, we have to add the margin of error to the point estimator.

The middle of the interval is 54%, and the ME is 1.8%. Don't forget that this means ±1.8%!

54 - 1.8 = 52.2%

54 + 1.8 = 55.8%

So our confidence interval is (52,2%, 55,8%) and the answer is A.

6 0
3 years ago
A company employs two shifts of workers. Each shift produces a type of gasket where the thickness is the critical dimension. The
AURORKA [14]

Answer:

(−0.103371 ; 0.063371) ;

No ;

( -0.0463642, 0.0063642)

Step-by-step explanation:

Shift 1:

Sample size, n1 = 30

Mean, m1 = 10.53 mm ; Standard deviation, s1 = 0.14mm

Shift 2:

Sample size, n2 = 25

Mean, m2 = 10.55 ; Standard deviation, s2 = 0.17

Mean difference ; μ1 - μ2

Zcritical at 95% confidence interval = 1.96

Using the relation :

(m1 - m2) ± Zcritical * (s1²/n1 + s2²/n2)

(10.53-10.55) ± 1.96*sqrt(0.14^2/30 + 0.17^2/25)

Lower boundary :

-0.02 - 0.0833710 = −0.103371

Upper boundary :

-0.02 + 0.0833710 = 0.063371

(−0.103371 ; 0.063371)

B.)

We cannot conclude that gasket from shift 2 are on average wider Than gasket from shift 1, since the interval contains 0.

C.)

For sample size :

n1 = 300 ; n2 = 250

(10.53-10.55) ± 1.96*sqrt(0.14^2/300 + 0.17^2/250)

Lower boundary :

-0.02 - 0.0263642 = −0.0463642

Upper boundary :

-0.02 + 0.0263642 = 0.0063642

( -0.0463642, 0.0063642)

7 0
3 years ago
Y=1/4x+5<br> y=-x<br>what are the x and y values, I think I'm supposed to use substitute​
I am Lyosha [343]

Answer:

the answer are x=4y-20

and x represents the independent variable and y represents the dependent variable

5 0
3 years ago
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