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igor_vitrenko [27]
3 years ago
7

jill is thinking of a new password for her phone. She wants to use the numbers 7, 1, and 8. How many different passwords could s

he make with these numbers?
Mathematics
1 answer:
lara31 [8.8K]3 years ago
3 0
7 1 8  You can also calculate this using the Fundemental Counting Principle,                      just do 3*2*1 which is 6 passwords
7 8 1
8 1 7 
8 7 1
1 7 8
1 8 7
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Write 9 as a power of the base 3
malfutka [58]
9 = 3^2
Since 3 squared equals 9, that is how 9 as a power of the base 3 should be written. 
4 0
2 years ago
Which equation represents a line that passes through (-9, -3) and has a slope of -6?
eimsori [14]

Answer:

D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = - 6 and (a, b) = (- 9, - 3), so

y - (- 3) = - 6(x - (- 9)), that is

y + 3 = - 6(x + 9)

8 0
3 years ago
Read 2 more answers
(7a^3 -2a-2)+(-5a+3)
atroni [7]

Answer:

7a  3  −7a+1

Step-by-step explanation: I hope this help.

STEP

1

:

Equation at the end of step 1

 ((7a3 -  2a) -  2) +  (3 - 5a)

STEP

2

:

Polynomial Roots Calculator :

2.1    Find roots (zeroes) of :       F(a) = 7a3-7a+1

Polynomial Roots Calculator is a set of methods aimed at finding values of  a  for which   F(a)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  a  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  7  and the Trailing Constant is  1.

The factor(s) are:

of the Leading Coefficient :  1,7

of the Trailing Constant :  1

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        1.00      

     -1       7        -0.14        1.98      

     1       1        1.00        1.00      

     1       7        0.14        0.02      

Polynomial Roots Calculator found no rational roots

Final result :

 7a3 - 7a + 1

6 0
3 years ago
Read 2 more answers
8 - 2x = 5(x - 2) which step is not part of solving the problem?
RUDIKE [14]
C. 8 - 2x = 5x - 2         is the anwser
7 0
3 years ago
Read 2 more answers
Help with this asap!​
zmey [24]

Answer:

26?

Step-by-step explanation

because they are vertical? (i think the word) they are equal so set them equal to each other then solve for x

5 0
3 years ago
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