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Mariulka [41]
3 years ago
14

Giving brainliest ! *easy*

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
ANSWER IS 108 DEGREES
madreJ [45]3 years ago
5 0

pi = 180

3(180)             540

--------    =        -------

5                        5

Answer is 108 degrees

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If we reject the null​ hypothesis, can we claim to have proved that the null hypothesis is​ false? why or why​ not?
sp2606 [1]
Yes, you can claim that the null hypothesis. But you must pay attention the p-value. If the p-value is higher than the significant value the null hypothesis can't be rejected.
7 0
3 years ago
In a thunderstorm, the wind velocity in meters per second can be described by the function v(p) = 5.7 √998 - p, where p is the a
nataly862011 [7]

Answer:

923.1927 millibars

Step-by-step explanation:

The wind velocity is given by the function:

v(p)=5.7\sqrt{(998-p}

#We make p the subject of the formula:

v(p)=5.7\sqrt{(998-p}\\\\v=5.7\sqrt{(998-p}\\\\\frac{v}{5.7}=\sqrt{(998-p}\\\\\frac{v^2}{5.7^2}=998-p\\\\p=998-\frac{v^2}{5.7^2}

#Substitute the given values in the function above to solve for p;

p=998-\frac{v^2}{5.7^2}\\\\=998-\frac{49.3^2}{5.7^2}\\\\=923.1927\ millibars

Hence, the air pressure is 923.1927 millibars.

7 0
3 years ago
Which of the following expressions are equivalent to -x/y
ira [324]

Answer:

-z/e

Step-by-step explanation:

-x/y = -z/e

8 0
3 years ago
Solve the compound inequality.<br> 5 &lt; 2x - 1 &lt; 9<br><br> Show your work
ASHA 777 [7]

Answer:

3<x<5

Step-by-step explanation:

5<2x-1<9

Add 1 on all the sides because of the inverse operation.

Which is 6<2x<10

The divide 2 on all sides to isolate x.

Which is 3<x<5.

4 0
3 years ago
Simplify the expression:<br> (1 2/7)(-4 1/5)
stealth61 [152]

Answer:

-27/5 or -5 2/5

Step-by-step explanation:

Simplify

1 2/7 to 9/7

-4 1/5 to -21/5

multiply together

(9)(-21)/(7)(5)

-189/35

u can simplify by diving by 5 to get

-27/5

4 0
3 years ago
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