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Evgen [1.6K]
3 years ago
14

Please help I have 5 minutes

Mathematics
1 answer:
aleksley [76]3 years ago
3 0

Answer:

-21.1 and 24.1

Step-by-step explanation:

-8.2*4 + 3.9*3=-21.1

5.1*3 - (-2.2*4)=24.1

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Which table shows a function that is decreasing only over the interval (-1,1)
Vinil7 [7]

Answer:

The solution is the table 1 (see the attached figure)

Step-by-step explanation:

we know tat

Table 1

In the interval (-2.-1) -----> increase

In the interval (-1.1) -----> decrease

In the interval (1,2) -----> increase

Table 2

In the interval (-2.2) -----> decrease

Table 3

In the interval (-2.-1) -----> decrease

In the interval (-1.1) -----> increase

In the interval (1,2) -----> decrease

Table 4

In the interval (-2.2) -----> increase

therefore

The solution is the Table 1

4 0
4 years ago
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How do I count by twelfths
Korvikt [17]

12,  x 1 = 12

12 x 2 =24  

12 x 3 = 36

12 x 4 =48

12 x 5= 60  

12 x 6 =72  

 

12 x 7 = 84

 

12 x 8= 96

12 x 9= 108  

12 x 10 = 120  

 

12 x 11=132

12x 12= 144

hope this helps

8 0
3 years ago
the lighting for a billboard is provided by solar energy. if 4 energy panels generate 10 watts of power, how many panels are nee
viktelen [127]
10/4
To get then watts per panel
550 / the Watts per panel to get the number of panels need

Always round this up if necessary
3 0
3 years ago
What is the value of the expression below when w=8 x=4?
vodka [1.7K]
W=8
X=4
9w +5x mean just substitute the corresponding values listed above in this equation
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6 0
2 years ago
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Identify the diameter of Q given that a= 169 pie in2
Kaylis [27]

Answer:

the diameter will be D=26 in.

Step-by-step explanation:

The area of a circle is given by:

A=\pi R^{2} (1)

Where:

  • A is the area
  • R is the radius of the circle

Now, we know that A = 169 π in²

So, we just need to use equation 1 to find R.

169\pi = \pi R^{2}

R=\sqrt{169}

R=13 \: in

Therefore, the diameter will be D=2*R=26 in.

I hope it helps you!

4 0
3 years ago
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