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dezoksy [38]
3 years ago
7

An identity thief watches someone enter a four-digit PIN and manages to see that the first digit is 3. They also know that the s

econd digit is either 4 or 7. If the thief tries guessing the PIN, how many possibilities would there be?
a. 100 b. 162 c. 180 d. 200
Mathematics
2 answers:
galina1969 [7]3 years ago
8 0
3
4,7
1,2,3,4,5,6,7,8,9,0
1,2,3,4,5,6,7,8,9,0
You have 1 variable then 2 then 10 and another 10
1×2×10×10=200
WITCHER [35]3 years ago
3 0

Answer: it’s 200

Step-by-step explanation:

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-14(3a+6)=12(6-4a)+12 and steps please
Sunny_sXe [5.5K]

Answer:

In the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

Step-by-step explanation:

Given equation is -14(3a+6)=12(6-4a)+12

To simplify the given equation:

-14(3a+6)=12(6-4a)+12

Taking all terms to one side

-14(3a+6)-12(6-4a)-12=0

-[14(3a+6)+12(6-4a)+12]=0

Now dividing by negative sign on the above equation we get

14(3a+6)+12(6-4a)+12=0 (using distributive property)

42a+84+72-48a+12=0 ( adding the like terms )

-6a+168=0

-6a=-168

6a=168

a=\frac{168}{6}

Therefore a=28

Therefore in the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

8 0
3 years ago
4 hundreds 6 hundredths - 3 hundredths <br> help
Tresset [83]

Answer:

7 hundredths

Step-by-step explanation:

add 4 to 6 and take away 3

4 0
3 years ago
Read 2 more answers
Can someone help pls​
scZoUnD [109]

Answer:

8) 10 m 9) 26 in 10) 51 m 11) 50 ft 12) 19.4 cm 13) 177.9 m 14) 40 15) 12 16) 14.7 17) 12.1

Step-by-step explanation:

You may solve the problems by using the Pythagorean Theorem which states that c^2 = a^2 + b^2, or in other words, the hypotenuse squared is equal to the sum of the legs squared.

Hope this helps! :-)

3 0
3 years ago
A bage contains 5 blue marbles, 3 red marbles, and 2 yellow marbles. You select a marble at radom. What is p(yellow)
vodomira [7]
Total marbles = 5 + 3 + 2 = 10
Total yellow marbles = 2
P(yellow)  = 2/10 = 1/5

Answer: 1/5
7 0
4 years ago
How many pairs of triangles appear congruent?he triangles may overlap
olga_2 [115]
There are 4 pairs of overlapping triangles that I can see that are congruent. Two pairs share vertically opposite angles.
One more pair have right angles at the bottom of the rectangle. 
One other pair have right angles at the top of the rectangle. 
6 0
3 years ago
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