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zysi [14]
3 years ago
14

If sin angle X = cos angle Y and m angle X=72 degrees, what is the measure of angle y

Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0

Answer:18

Step-by-step explanation:

Sin72=cosy

0.9511=cosy

Y=cos(inverse)0.9511

Y=18

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The range for the Kentucky temperatures is . The range for the Illinois temperatures is . The IQR for the Kentucky temperatures
natima [27]

The boxplot required to answer the questions is attached below :

Answer:

The range for the Kentucky temperature :

(58.3 - 52.2) = 6.1

The range for the Illinois temperature :

(55 - 49.9) = 5.1

The IQR for the Kentucky temperature :

(57.3 - 54.5) = 2.8

The IQR for the Illinois temperature :

(53.3 - 50.9) = 2.4

Step-by-step explanation:

Range = maximum - minimum

Maximum and minimum values are given by the values at the end and start of the whisker.

The range for the Kentucky temperature :

(58.3 - 52.2) = 6.1

The range for the Illinois temperature :

(55 - 49.9) = 5.1

IQR = Q3 - Q1

Q3 = Value at the end of the box

Q1 = value of start of box

The IQR for the Kentucky temperature :

(57.3 - 54.5) = 2.8

The IQR for the Illinois temperature :

(53.3 - 50.9) = 2.4

3 0
3 years ago
Write any two quadratic equations​.
Thepotemich [5.8K]

To find:

Any two quadratic equations​.

Solution:

The general form of a quadratic equation is:

ax^2+bx+c=0

Where, a,b and c are real number and a is non zero.

We know that a,b,c can take any values but a cannot be 0.

For a=1, b=1,c=1, we get

1x^2+1x+1=0

x^2+x+1=0

One quadratic equation is x^2+x+1=0.

For a=3,b=-1,c=5, we get

3x^2+(-1)x+5=0

3x^2-x+5=0

Therefore, the two quadratic equations are x^2+x+1=0 and 3x^2-x+5=0.

3 0
3 years ago
The function f(x) = x2 + 10x - 3 written in vertex form is f(x) = (x + 5)2 – 28. What are the coordinates of the vertex?
alina1380 [7]

Answer:

<h2>(-5, -28)</h2>

Step-by-step explanation:

The vertex form of a quadratic function <em>f(x) = ax² + bx + c</em>:

f(x) = a(x - h)² + k

(h, k) - coordinates of a vertex

We have <em>f(x) = x² + 10x - 3</em> in the vertex form <em>f(x) = (x + 5)² - 28</em>.

f(x) = (x - (-5))² + (-28) → h = -5, k = -28

6 0
3 years ago
How do you solve the photo below
VikaD [51]

Answer:

6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Two times a number is at least 42
pantera1 [17]

Answer:21

Step-by-step explanation:2x21=42

4 0
3 years ago
Read 2 more answers
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