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Sauron [17]
3 years ago
7

The credit remaining on a phone card is a linear function of the total calling time made with the card. The remaining credit aft

er 45 minutes of calls is $14.60, and the remaining credit after 67 minutes of calls is $11.96. What is the remaining credit after 81 minutes of calls
Mathematics
1 answer:
dolphi86 [110]3 years ago
5 0

If you need the answer so go to the google and search for problem

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. The area of a square is 80 square meters. Which best represents the length of one
andriy [413]

Answer:

8.9m

Step-by-step explanation:

area of square is side length squared so\sqrt{80}=8.944

3 0
3 years ago
2. Find the correlation coefficient AND best fit line, of the following data use the linear model
shtirl [24]

Ans? u9999y

Step-by-step explanation:

Chelsea is making a kite in the shape of a triangle. To determine if the triangle is a right triangle, Chelsea completed the following steps.

Step 1:

Find the side lengths of the triangle: 30 inches, 24 inches, 18 inches.

Step 2:

Substitute the values into the Pythagorean theorem: 18 squared + 24 squared = 30 squared.

Step 3:

Combine like terms: (18 + 24) squared = 30 squared.

Step 4:

Evaluate each side: 1764 not-equals 900.

Chelsea says the triangle is not a right triangle. Which best describes the accuracy of her explanation?

The triangle is actually a right triangle. In step 2, Chelsea incorrectly substituted the values into the Pythagorean theorem.

The triangle is not a right triangle, but in step 2 Chelsea incorrectly substituted the values into the Pythagorean theorem.

The triangle is actually a right triangle. In step 3, Chelsea incorrectly rewrote the expression on the left side of the equation.

The triangle is not a right triangle, but in step 3, Chelsea incorrectly rewrote the expression on the left side of the equation.

7 0
3 years ago
(14z - 10) and (17z + 4)". Find the measures of the angles.
Makovka662 [10]

Respuesta:

z=5,0

Explicación paso a paso:

-Probar con cada uno de los ángulos enteros

*17z+4=90°                                                    

17z=86                                                                          

    z=5,0                                                                        

*17z+4=270°                                                      

 17z=266                                                                    

     z=15,6                                                              

*17z+4=60°                                                          

17z=56                                                                        

   z=3,2                                                                          

*17z+4=45

 17z=41

    z=2,4

*17z+4=30°

17z=26  

   z=1,5

*17z+4=37°

 17z=33  

     z=1,9  

*17z+4=53°

 17z=49

     z=2,8

*17z+4=180°  

17z=176

    z=10,3  

*17z+4=360°

17z=356

   z=20,9

Comprobando:

14z-10=14(5,0)-10=70-10=60

4 0
3 years ago
What is the coefficient of 17x<br> ^5
Helga [31]
The coefficient is 17.
7 0
3 years ago
Read 2 more answers
What is the ratio 9 1/2 to 12 2/3
vivado [14]
_ 9.5:12.6 That is the answer, btw the 6 is repeating
3 0
4 years ago
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