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iogann1982 [59]
3 years ago
15

During a cold night in Chicago, the temperature each day at midnight was -6.5 degrees, -10.7 degrees, -2.3 degrees, -4.5 degrees

and -6 degrees. What was the average midnight temperature for the week?
Mathematics
1 answer:
galina1969 [7]3 years ago
6 0

Answer:

The answer is -3.71666

Step-by-step explanation:

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F(x)=2x and g(x)=square root of x what is the domain of f(g(x))?
Dmitriy789 [7]

Answer:

x\ge 0

Step-by-step explanation:

The given functions are:

f(x)=2x


and


g(x)=\sqrt{x}


Now,

f(g(x))=f(\sqrt{x} )


f(g(x))=2\sqrt{x}

The domain refers to values of x for which f(g(x))=2\sqrt{x} is defined.


The  expression under the radical sign must not be negative.

The domain is

x\ge 0

5 0
3 years ago
Which factor do 64x^2+48x+9 and 64x^2 - 9 have in common?
erastovalidia [21]
<span>(8x +3) (8x-3)
</span>share the same terms
8 0
3 years ago
Giving brainliest to best answer
Sergio [31]

Answer:

One unit to the right.

Step-by-step explanation:

I entered both equations into desmos and rootx - 1 is one unit to the right.

Desmos is a great tool for graphing

6 0
3 years ago
The volume of the pyramid shown in the figure is cubic centimeters. If the slant height of the pyramid increases by 4 centimeter
Nostrana [21]

Answer:

Part a) The volume of the original pyramid is 15\ cm^{3}

Part b) The volume of the pyramid increases by  6\ cm^{3}

Step-by-step explanation:

<u><em>The complete question is</em></u>

Part 1) The volume of the pyramid shown in the figure is 9,15,21, or 63 cubic centimeters?. Part 2) If the slant height of the pyramid increases by 4 centimeters and its height increases by 2 centimeters, the volume of the pyramid increases by 6,9,12 or 21 cubic centimeters?

we know that

The volume of the pyramid is equal to

V=\frac{1}{3}Bh

where

B is the area of the base

h is the height of pyramid

see the attached figure to better understand the problem

Step 1

Find the volume of the original pyramid

the area of the base B is equal to

B=3^{2}=9\ cm^{2}\\h=5\ cm

substitute

V=\frac{1}{3}(9)(5)=15\ cm^{3}

Step 2

Find the volume of the new pyramid

B=9\ cm^{2} -------> the area of the base is the same

h=5+2=7\ cm ------> the height increase by

substitute

V=\frac{1}{3}(9)(7)=21\ cm^{3}

Subtract the original volume from the new volume

21\ cm^{3}-15\ cm^{3}=6\ cm^{3}

5 0
3 years ago
What are the rate of changes for
astraxan [27]
<span>39 & 16.5 = -22.5
30 & 12.4 = -17.6
28 & 10.4 = -17.6
19 & 10.3 = -8.7
23 & 11.2 = -11.8
if the values are y values you will subtract them from each other to get the numerical value and because they all go from a larger number to a smaller number the rate is a negative. if they were from a smaller value to a larger value teh rates of change would be positive.
</span>
3 0
3 years ago
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