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svetoff [14.1K]
4 years ago
8

an internet passcode consists of a digit followed by a letter, followed by another digit. Assuming the digits are 0-9, how many

different passcode are possible?
Mathematics
1 answer:
anyanavicka [17]4 years ago
8 0
There are 10 single-digits (0 through 9) and 26 letters (A through Z)

For the first slot there are 10 choices which represents selecting a single digit
For the second slot there are 26 choices because we choose a single letter here.
Finally there are another 10 choices for the third slot (assuming repeats are allowed)

Multiply the values out: 10*26*10 = 260*10 = 2600

Answer: 2600
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Regina writes the expression y + 9 · ¼. Which expression is equivalent to the one Regina writes?
Alika [10]

Answer:

Regina writes the expression y +9.3/4

Using The commutative property

a + b = b + a

= 9.3/4  + y

= (9.3/4) + y

Step-by-step explanation:

Regina writes the expression y +9.3/4

Using The commutative property

a + b = b + a

= 9.1/4  + y

= (9.1/4) + y

5 0
2 years ago
How many 12 ounces cans of soda equal 108 ounces?
Savatey [412]

Answer:

9 Sodas

Step-by-step explanation:

Because 12 times 9 equals 108

6 0
3 years ago
Read 2 more answers
QUESTIONS The average price of wheat per metric ton in 2012 was $30575. Demand in millions of metric tons) in 2012 was 672. The
soldi70 [24.7K]

Answer:<u> -0.9 ; inelastic</u>

Explanation:  

Given:

The average price of wheat per metric ton in 2012 = $305.75

Demand (in millions of metric tons) in 2012 = 672

The average price of wheat per metric ton in 2013 =  $291.56

Demand (in millions of metric tons) in 2013 = 700

We will compute the elasticity using the following formula:

ε = \frac{\frac{(Q_{2} - Q_{1})}{\frac{(Q_{2} +Q_{1})}{2}}}{\frac{(P_{2} - P_{1})}{\frac{(P_{2} +P_{1})}{2}}}

ε = \frac{\Delta Q}{\Delta P}

Now , we'll first compute  \Delta Q

i.e.  \frac{\Delta Q}{\Delta P} = \frac{(700 - 672)}{\frac{(700 +672)}{2}}

\Delta Q = 0.04081

Similarly for  \Delta P

i.e. \Delta P = \frac{(291.56 - 305.75)}{\frac{(261.56 +305.75)}{2}}

\Delta P = -0.0475

ε = \frac{0.04081}{-0.0475}

ε = -0.859 \simeq -0.9

\because we know that ;

If, ε > 1 ⇒ Elastic

ε < 1 ⇒ Inelastic

ε = 1 ⇒ unit elastic

<u><em>\because Here , ε = -0.859 \simeq -0.9 </em></u>

<u><em>Therefore ε is inelastic.</em></u>

6 0
4 years ago
What is the slope of the line that passes<br> through the points (-3,-2) and (2,-4)?
wlad13 [49]
The slope of the line that passes through the points is y=8/5x
8 0
3 years ago
Read 2 more answers
The point (-2,3) is the solution to a system of two linear equations. Which of the following can be one of the
Fynjy0 [20]

Answer:

We conclude that The point (-2, 3) satisfies the equation y = -x+1.

Hence, option B i.e. y = -x+1 is one of the equations of a system of two linear equations.

Step-by-step explanation:

Given

  • The point (-2, 3)

<u>Checking option A</u>

Given the equation

y = 3x-2

substitute x = -2 and y = 3

3 = 3(-2) - 2

3 = -6 - 2

3 = -8

FALSE!

L.H.S ≠ R.H.S

Thus,

The point (-2, 3) does not satisfy the equation y = 3x-2.

<u>Checking option B</u>

Given the equation

y = -x+1

substitute x = -2 and y = 3

3 = -(-2)+1

3 = 2+1

3 = 3

TRUE!

L.H.S = R.H.S

Thus,

The point (-2, 3) satisfies the equation y = -x+1.

<u>Checking option C</u>

Given the equation

y=x-1

substitute x = -2 and y = 3

3 = -2-1

3 = -3

FALSE!

L.H.S ≠ R.H.S

Thus,

The point (-2, 3) does not satisfy the equation y=x-1.

<u>Checking option D</u>

Given the equation

y=2x+3

substitute x = -2 and y = 3

3 = 2(-2)+3

3 = -4+3

3 = -1

FALSE!

L.H.S ≠ R.H.S

Thus,

The point (-2, 3) does not satisfy the equation y=2x+3.

Conclusion:

Thus, we conclude that The point (-2, 3) satisfies the equation y = -x+1.

Hence, option B i.e. y = -x+1 is one of the equations of a system of two linear equations.

4 0
3 years ago
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