2 years ago

X−2y=−1

Mathematics

1 answer:

nikitadnepr [17]2 years ago

6 0

they're just intersecting.

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1. -7-(-2) *

Morgarella [4.7K]

1. -7-(-2)
= -7+2= -5

2. 5-(-3)
= 5+3=8

3. -6-4
= -6+(-4)= -10

4. -3-(-3)
= -3+3= 0

8 0

3 years ago

in a five character password the first two characters must be digits and the last three characters must be letters if no charact

Vilka [71]

Answer:

1,404,000 unique passwords are possible.

Step-by-step explanation:

The order in which the letters and the digits are is important(AB is a different password than BA), which means that the permutations formula is used to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

In this question:

2 digits from a set of 10(there are 10 possible digits, 0-9).

3 characters from a set of 26. So

$P_{10,2}P_{26,3} = \frac{10!}{8!} \times \frac{26!}{23!} = 10*9*26*25*24 = 1404000$

1,404,000 unique passwords are possible.

5 0

3 years ago

Which choice is equivalent to the product below? square root 2 3 6

Butoxors [25]

Answer:

Step-by-step explanation:

Pull terms out from of the radical,assuming positive real numbers .

3 0

3 years ago

Given the definitions of f(x) and g(x) below, find the value of (g o f)(0).

Mamont248 [21]

Answer:

its 3

so its

(4x+4)^2-2(4x+4)-5

so first you have to do

(4x+4)(4x+4)

the answer is 16x^2+32x+16

and then you do -2(4x+4) and then you add them so then its

16x^2+32x+16-8x-8-5

and then you just add like terms so its

16x^2+24x+3

and then you insert 0 for x

so the answer is 3

Step-by-step explanation:

7 0

3 years ago

PLSS HELP ILL MARK BRAINLEST AND ILL GIVE 90 POINTS

Zigmanuir [339]

Answer:

umm? u forgot to add the composite figure lol

Step-by-step explanation:

5 0

3 years ago

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