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JulijaS [17]
3 years ago
14

The number of feet y in a measure varies directly as the number of meters x. Write a direct variation equation that can be used

to convert feet to meters, if 4 feet is about 1.25 meters.
Mathematics
1 answer:
Verizon [17]3 years ago
4 0

Answer:

Step-by-step explanation:

“y varies directly as x”

y = kx

Plug in (4, 1.25) and solve for k:

1.25 = 4k

k = 1.25/4 = 0.3125

The equation becomes

y = 0.3125x

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Please help!!!!!!!!!!!!!!!! 100pts,
Helga [31]

QUESTION:

The code for a lock consists of 5 digits (0-9). The last number cannot be 0 or 1. How many different codes are possible.

ANSWER:

Since in this particular scenario, the order of the numbers matter, we can use the Permutation Formula:–

  • P(n,r) = n!/(n−r)! where n is the number of numbers in the set and r is the subset.

Since there are 10 digits to choose from, we can assume that n = 10.

Similarly, since there are 5 numbers that need to be chosen out of the ten, we can assume that r = 5.

Now, plug these values into the formula and solve:

= 10!(10−5)!

= 10!5!

= 10⋅9⋅8⋅7⋅6

= 30240.

3 0
2 years ago
Solve the following system. x-y=2. 3x+z=11. y-2z=-3
dexar [7]
For the 1st one we need to solve x. x-y=2 step1: x-y+y=2+y answer: x=y+2
5 0
3 years ago
The tables below show the values of f (x) and g (x) for different values of x:
dimaraw [331]
<span>2(3)× = 3×+1 is equal when f(x) = g(x).
f(x) is equal to g(x) when x = 0.
Therefore, the solution to the equation </span><span>2(3)×=3×+1 is x = 0.</span>
4 0
3 years ago
The roster form of The set of odd natural numbers greater than or equal to 5 and less than or equal to 11 .
Lunna [17]

Answer:

{5, 7, 9, 11}

Step-by-step explanation:

Roster form just means list the elements of the set in the brackets.

It says the elements are greater than or equal to five and less than or equal to 11. So we start at 5 and end at 11.

We list {5, 7, 9, 11} because these elements follow the rule that they must be odd natural numbers. Natural numbers are the numbers you can count starting from 0 like {0, 1, 2, 3, ...}.

4 0
3 years ago
PLS HELP THIS IS HARD ANYONE PLS
drek231 [11]
I think it’s B (0, 0) (5, -3), (4, 1).
8 0
3 years ago
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