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Gnom [1K]
3 years ago
12

How many 3-digit hexadecimals start with a letter (A-F) or end with a numeral (0-9) (or both)? Explain.

Mathematics
1 answer:
shepuryov [24]3 years ago
8 0

Answer: 960

Step-by-step explanation:

The first digit can be filled by letter A to F= 6 ways

The second digit will be filled by letter A to F or numeral 0-9= 6+10= 16 ways

The third digit will be filled by number 0 to 9= 10 ways

So total 3 digit hexadecimals are= 6 x 16 x 10 = 960

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I need working out and answers for the following:
LenaWriter [7]
A. 4x - 3 = 2x + 7
4x - 2x = 7 + 3
2x = 10
x = 5

B. 2x + 6 = 7x - 14
2x - 7x = - 14 - 6
-5x = -20
x = 4

C. 2( x + 3) = x - 4
2x + 6 = x - 4
2x - x = -4 - 6
x = -10

D.4 ( 5x - 2) = 2( 9x + 3)
20x - 8 = 18x + 6
20x - 18x = 6 + 8
2x = 14
x = 7

E.4x - 1/2 = x - 7
4x - x = -7 + 1/2
3x = (-14 + 1)/2
3x = -13/2
x = -13/6

F. 3x + 2 = 2x + 13/3
3x - 2x = 13/3 - 2
x = (13 - 6)/3
x = 7/3


Hope This Helps You!
4 0
3 years ago
How do you solve this? Show work and answer
Naddik [55]

Let's solve your equation step-by-step.

2b+1=16−3b

Step 1: Simplify both sides of the equation.

2b+1=16−3b

2b+1=16+−3b

2b+1=−3b+16

Step 2: Add 3b to both sides.

2b+1+3b=−3b+16+3b

5b+1=16

Step 3: Subtract 1 from both sides.

5b+1−1=16−1

5b=15

Step 4: Divide both sides by 5.

5b/5=15/5

<em>answer: b=3</em>

6 0
3 years ago
Read 2 more answers
Yeaaaaaaaaaa help plzzzzzzzzzz
Tju [1.3M]

Answer:

See Explanation

Step-by-step explanation:

Given

The attached graph

Required

Point on the line

The options are not given. So, I will provide general answers.

To do this, we simply write out the coordinates that lie on the line.

Some of them are:

(0.5,3)

(1.25,8)

(1.5,10)

8 0
3 years ago
Find length,width and area<br><br>plus bonus<br><br>please show work ​
stira [4]

A square with the same perimeter as a rectangle will have larger area.

However, 42 is not divisible by 4, so we can do 10 by 11.

Length = 11, Width = 10, Area = 110

42 / 4 = 10.5

Length and Width = 10.5, Area = 110.25

3 0
3 years ago
Find the slope please
sesenic [268]

Answer:

The slope is -4 over -5

Step-by-step explanation:

Your equation should be y2-y1 over x2-x1. At first you will get -8 over -10 then you simplify and get -4 over -5

3 0
3 years ago
Read 2 more answers
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