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3 years ago

Slovenia for y 3/11 = 6/y Y=

Mathematics

2 answers:

aivan3 [116]3 years ago

6 0

Answer:

$y = 22$

Step-by-step explanation:

hope this helps

grigory [225]3 years ago

3 0

So the right answer is 22.

Look at the attached picture

Hope it will help you

good luck on your assignment

~pragya

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The ratio of students who wear glasses to the total number of students in the class is 2:5 if there are 14 students who wear gla

vazorg [7]

Answer:

35 students in the class.

Step-by-step explanation:

If there are 5 students in the class, then 2 of them would wear glasses and 3 of them wouldn't. (Equation 1)

Now, there are 14 students how are wearing glasses.

We just times the whole Equation 1 by 7.

If there are 5 x 7 = 35 students in the class, then 2 x 7 = 14 of them would wear glasses and 3 x 7 = 21 of them wouldn't.

So, there are 35 students.

8 0

2 years ago

If AC = x + 5 and AB = 3x - 1... what is the length of BC?

Hatshy [7]

If B is the midpoint of AC, then |AB| = |AC|.
|AB| = 3x + 2
|BC| = 5x - 10
Therefore we have the equation:
3x + 2 = 5x - 10 |subtract 2 from both sides
3x = 5x - 12 |subtract 5x from both sides
-2x = -12 |divide both sides by (-2)
x = 6

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4 0

3 years ago

7. License Plate Laws The Chapter Problem involved passenger cars in Connecticut and passenger cars in New York, but here we con

sergejj [24]

Yes it is true that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars because null hypothesis is rejected.

Given among 2049 Connecticut passenger cars, 239 had only rear license plates. Among 334 Connecticut trucks, 45 had only rear license plates.

let $p_{1}$ be the probability that commercial cars have rear license plates and $p_{2}$ be the probability that connected trucks have rear license plates.

Cars Trucks Total

Total 2049 334 2383

x 239 45 284

p 0.1166 0.1347 0.1191

α=0.05

Hypothesis will be :

$H_{0}:p_{1} =p_{2}$

$H_{1} :p_{1} < p_{2}$

It is a left tailed test at 0.05 significance.

Standard errors of p= $\sqrt{p(1-p)/n}$

= $\sqrt{(0.1191*0.8809)/2383}$

= $\sqrt{0.1049/2383}$

=0.0066

Test statistic Z=p difference/standard error

=(0.1166-0.1347)/0.0066

=-0.0181/0.0061

=-2.967

p value=0.001505<5%

Since p is less than 5% we reject null hypothesis.

We cannot calculate standard deviation so we cannot calculate confidence interval.

Hence there is statistical evidence at 5% significance level to support that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

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2 years ago

Write two numbers that multiply to the value on top and add to the value on bottom.

Marizza181 [45]

Answer:

Step-by-step explanation:

6 0

3 years ago

Help plz math related questions 4 of them

Soloha48 [4]

Simple...

you have:

1.) x-3y when x=-4 and y=9

-->>> (plug it in)

-4-3(9)

-4-27

-31

2.) a-|b| when a=-7.6 and b=-8.9

-->>>(plug it in)

-7.6-|-8.9|

-16.5

3.) 3(8x-y) when x=-4 and y=9

-->>(plug it in)

3(8(-4)-9)

3(-32-9)

3(-41)

-123

4.)

$\frac{9c}{d}$ when c=2 and d= $\frac{1}{3}$

$\frac{9(2)}{ \frac{1}{3} }$

$\frac{18}{ \frac{1}{3} }$

54

Thus, your answer.

6 0

3 years ago