2 years ago

Part A: If (7^2)^x = 1, what is the value of x? Explain your answer.

1 answer:

3 0

For part a x=0 because anything to the power of 0 is 1
For part b any number could be x, because 7^0 is one and 1 to the power of anything will be 1
Hope this helps!

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Pwease help me anyone. thanks :-) :-) :-) :-) :-) :-) :-) :-)!!!!

adell [148]

A)
$x+3$

b)
$x(x+3)=340\\
x^2+3x-340=0$

c)
$x(x+3)=340\\ x^2+3x-340=0\\
\Delta=3^2-4\cdot1\cdot(-340)=9+1360=1369\\\sqrt{\Delta}=37\\
x_1=\dfrac{-3-37}{2}=-20\\
x_2=\dfrac{-3+37}{2}=17$

It's 17.

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2 years ago

Rapheal paid $624 for a camera during a 60% off sale. What was the cameras regular rice?

Nostrana [21]

$1040.00
______________________________________________
Raphael paid $624

624/.60= 1040.00

4 0

2 years ago

I don't want the answer, but I want to know how you got that answer.

anastassius [24]

Answer:

n = 5

Step-by-step explanation:

$4n+5n+15=5n+7n\\\\9n+15=12n\\\\9n+15-15=12n-15\\\\-3n=-15\\\\\frac{-3n=-15}{-3}\\\\ \boxed{n=5}$

Hope this helps.

8 0

2 years ago

The sum of two numbers is 42 and the difference is 16

mamaluj [8]

The answer for this one is 29 and 13. Hope it help!

4 0

2 years ago

Which correctly uses bar notation to represent the repeating decimal

ioda

Answer:

2nd one..

Step-by-step explanation:

but although all are wrongmm barnotation is not used

6 0

3 years ago