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yan [13]
4 years ago
15

the digits 3,4,5,6,7,and 8 are randomly arranged to form a 3 digit number not repeating. find the probability that the number is

even and greater than 800.
Mathematics
1 answer:
nadezda [96]4 years ago
7 0
The answer would be 212,I can't completely explain why because I did it the long way which took me over an hour to do.
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Francesca has already walked 3 kilometers this week, plus she plans to walk 4 kilometers during each trip to school. Write an eq
Umnica [9.8K]
12 kilometers meters long
6 0
3 years ago
Matt saves 7 dollars every week in order to buy a guitar. Write an equation, using x for the independent variable and y for the
ANEK [815]

Answer:

y = 7x

y = $133

Step-by-step explanation:

x = independent variable

y = dependent variable

y = 7x

Where,

y = total amount saved

x = number of weeks

7 = constant

When x = 19

y = 7x

y = 7 * 19

y = 133

y = $133

5 0
3 years ago
Given tan(A)=5 and tan(B)=9, find the value of tan(A−B).
user100 [1]

Answer:

tan= 4

Step-by-step explanation:

This is actually very easy, basically u have 5 - 9.

So you have positive nine and a negative sign, which is used for subtraction, so in the integers rule, positive- negative= negative

so its 4.

I HOPE ITS RIGHT, IM 11

5 0
3 years ago
Solve the system of equations: x – 4y = –8 and –3x + 12y = 24.
ale4655 [162]
It should be C
Because when u multiply ( -3)*(x-4y= -8)

It’ll equal to -3x+12y=24 which is the same equation to the other one.
When the equations r the same, it means everything on the line is the solution for this system of equation.
4 0
3 years ago
Read 2 more answers
What is the value of x?<br> 6<br> 8<br> 10<br> 12
siniylev [52]

Answer:

8

Step-by-step explanation:

The sum of the internal angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 5, hence

sum = 180° × 3 = 540°

Each exterior angle plus interior angle = 180°

Subtract each exterior angle from 180 for corresponding interior angle.

180 - 59 = 121, 180 - 77 = 103, 180 - 66 = 114, 180 - 62 = 118

Sum the 4 interior angles and subtract from 540 for 5 th interior angle

5 th = 540° - (121 + 103 + 114 + 118)° = 540° - 456° = 84°

The 5 th interior angle and 12x sum to 180 ( same reason as above )

Hence

12x + 84 = 180 ( subtract 84 from both sides )

12x = 96 ( divide both sides by 12 )

x = 8

3 0
4 years ago
Read 2 more answers
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