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Karo-lina-s [1.5K]
3 years ago
5

What is the value of y? ​

Mathematics
2 answers:
olganol [36]3 years ago
5 0

Answer:

26

Step-by-step explanation:

We know that the entire angle measures 66 degrees.

Therefore, angle y plus 40 degrees must equal 66.

In an equation:

y+40=66

To solve for y, subtract 40 from both sides:

y=26\textdegree

So, the measure of angle y is 26 degrees.

And we're done!

svlad2 [7]3 years ago
5 0

Answer:

26°

Step-by-step explanation:

The angle with 66° which is shown with a red line is the sum of y and 40° so to find the value of y

we subtract 40 from 66 which gives us result as 26°.

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Sladkaya [172]

Answer:

The null hypothesis is H_0: \mu = 2.5.

The alternative hypothesis is H_1: \mu > 2.5

Step-by-step explanation:

Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years.

At the null hypothesis, we test if the mean is of 2.5 years, that is:

H_0: \mu = 2.5

A study was then done to see if the mean time has increased in the new century.

At the alternative hypothesis, we test if the mean has increased, that is, if it is above 2.5 years. So

H_1: \mu > 2.5

8 0
3 years ago
The total surface area of a cone whose radius is 2 r and slant height 2l is
vampirchik [111]

Answer:

A=4\pi r(l+r)

Step-by-step explanation:

The total surface area of a cone is given by :

A=\pi rl+\pi r^2\\\\=\pi r(l+r)

Put r = 2r and l = 2l in the above formula

A=\pi \times 2r(2l+2r)\\\\A=2\pi r(2l+2r)\\\\=2\pi r \times 2(l+r)\\\\=4\pi r(l+r)

Hence, the total surface area of the cone is 4\pi r(l+r).

7 0
2 years ago
Plzzzzzzzzzzz answerrrrrrrrrrrrrrrr i need it asap
saul85 [17]

Answer: 120

%

=

1.2

If Maxine is correct, then she spent  

1.2

times the hours she did homework than last week.

15

⋅

1.2

=

18.0

=

18

15 hours

⋅

1.2

=

18.0 hours

=

18 hours

This means that Maxine is correct.

HOPE THIS HELPS

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3 years ago
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SVETLANKA909090 [29]

Answer:

A

Step-by-step explanation:

8 0
2 years ago
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51: Y = 3: 5 value of Y​
ivann1987 [24]

Answer:Y=25:3

Step-by-step explanation:

7 0
2 years ago
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