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Maru [420]
3 years ago
7

What expression is equivalent to 4 to the power of 4 times 4 to the power of -9

Mathematics
2 answers:
rodikova [14]3 years ago
7 0

Answer:

i tried but i got D

Step-by-step explanation:

zvonat [6]3 years ago
4 0

Answer:

idk this stuff yet

Step-by-step explanation:

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What is the range of y=4[x+2]
julia-pushkina [17]

Answer:

(-∞,∞)

Step-by-step explanation:

This function is a line, with a positive slope, that never ends, so the range is negative infinity to positive infinity (non-inclusive).

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A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?
lara [203]

Answer:

y=7x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

we have the points (2,14) and (4,28)

Find out the constant of proportionality k

k=y/x                      

For (2,14) ----> k=14/2=7

For (4,28) ----> k=28/4=7

so                              

the value of k=7            

therefore                                          

The equation  is                                                    

y=7x                

3 0
3 years ago
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Which of the following triangles are impossible to draw? Choose all that apply.
Luda [366]
<span>These triangles are impossible:

a triangle with sides of 3 inches, 4 inches, and 8 inches
(the longest side is greater than the sum of the other 2 sides)

an obtuse equilateral triangle
(all angles in an </span><span>equilateral triangle are acute)

</span>
<span>a triangle with two right angles
The angles of ALL triangles must sum exactly to 180 degrees.  Two right angles sum to 180 degrees so the third angle would have to be zero degrees.



</span>
8 0
3 years ago
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A babysitter earns the same amount per hour. She earned $36 for 3 hours of babysitting. Which equation describes the relationshi
Brilliant_brown [7]

Answer:

y= 12x

Step-by-step explanation:

36/3=12

12× x =y

________________________

6 0
3 years ago
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