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Answer:

800 different sets of digits.

Step-by-step explanation:

Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5. These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.

For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way, ²P₁.

So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is ⁴P₁ × ¹⁰P₁ × ¹⁰P₁ × ²P₁ = 4 × 10 × 10 × 2 = 800 different sets of digits

800 different sets of 4 digit PIN could be made.

So, ways of choosing 1 out of 4 digits = 4 P 1 = 4

So, ways of choosing 1 out of 10 digits = 10 P 1 = 10

So, ways of choosing 1 out of 10 digits = 10 P 1 = 10

So, ways of choosing 1 out of 2 digits = 2 P 1 = 2

Hence, total number of ways = 4 x 10 x 10 x 2 = 800 ways

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Answer:

536 cm is equal to 53.6 dm

Step-by-step explanation:

Answer:

=

Step-by-step explanation:

Answer:

C: this statement is true

Step-by-step explanation:

Axioms and postulates are statements that are accepted as true because they have been proven using logic and deductive reasoning.

============

A: this statement is false. Axioms and postulates are statements that are accepted as true without proof.

B: this statement is false. Axioms and postulates are statements that have not been shown to be true or false.

C: this statement is true.

D: this statement is false. Axioms and postulates are statements that are discarded as false because they have been disproved

Answer:

they did not meet their goal

Step-by-step explanation:

Answer:

-5 > -7

Step-by-step explanation:

Answer: greater than

Step-by-step explanation:

since the two are both negative get the absolute value of each number.

-5=5

-7=7

Which ever one is bigger that is smaller.

-5 would be more than -7

Answer:

23

Step-by-step explanation:

Answer:

23

Step-by-step explanation:

Replace all Xs with 3

Answer:

Step-by-specific "yes" or "no" responses to the surveystep explanation:

Answer:

Step-by-step explanation:

-5x - 4 = 1

-5x - 4 = 1

-5x = 5

x = -1

Answer:

x=39/2 or 19.5

Step-by-step explanation:

Answer:

l=9 feet

Step-by-step explanation:

area of rectangle=l*w

3=1/3 l

length=9 feet

Answer:

-60

Step-by-step explanation:

Im smart

Answer:

MY=80

Step-by-step explanation:

MX=MY ( since M is the midpoint)

2x+10=3x-5

10+5=3x-2x

15=x

MX+MY=MX

2x+10+3x-5=MY

2(15)+10+3(15)-5=MY

MY=80

Answer:

B) Irrational numbers

Step-by-step explanation:

The given number is [tex]70[/tex].

We know the number which doesn't have any fractional part or decimal part is an integer. Here, there is no fractional part with the number 70, so this is an integer.

This is one of counting numbers from the set of [tex]\{ 1,2,3,4,5,...\}[/tex], so this is a natural number.

Also, this belongs to the set of whole numbers [tex]\{0,1,2,3,...\}[/tex].

But, [tex]70[/tex] can be written in the form of  [tex]\frac {p}{q}[/tex] as [tex]70= \frac {70}{1}[/tex] where [tex]p=70[/tex] , [tex]q=1[/tex] are integers and [tex]q \neq 0[/tex], so this is a rational number.

We know that any number that belongs to the rational number is not an irrational number.

Hence, [tex]70[/tex] does not belong to the set of irrational numbers.

So, option [tex](B)[/tex] is correct.

Answer:

the correct answer is b

Step-by-step explanation:

i took the test

Answer:

t(n) = 2n² + n - 3

Step-by-step explanation:

Given sequence:

Find the formula for nth term t(n)

Sequence is neither arithmetic nor geometric, analyzing:

First level difference

Second level difference

As there are two levels, the formula should be in the form of:

Trying the formula with the known terms:

Going back to previous equations to find remaining coefficients:

So the formula becomes:

t(n) = 2n² + n - 3

Answer:

2835x^5.

Step-by-step explanation:

By Binomial Theorem, T(r+1) = nCr * a^(r+1) * b^r.

Term 5 = 7C4 * x^5 * 3^4

= 35 * x^5 * 3^4

= 2835x^5.

Answer:

112

Step-by-step explanation:

Answer:

your answer should be B)-112

Step-by-step explanation:

here is the graph for 1 y = -x - 7 2

Answer:

Slope: [tex]-1[/tex]

y-intercept: [tex](0,72)[/tex]

Step-by-step explanation:

[tex]1y=-x-72[/tex]

Look down below for graph.

Hope this helps!

Answer:

(f - g)(x) = 2x - 3

Step-by-step explanation:

If you want the difference between functions f and g, combine the terms within parentheses as follows:

(f - g)(x) = (3x - 1) - (x +2)

             = 3x - 1 - x - 2

Combining like terms, we get:

(f - g)(x) = 2x - 3

Answer:

x

[tex] {x}^{2} - 3 [/tex]

Answer:

6

Step-by-step explanation:

Answer:

The space shuttle landed on Monday morning at 9:01 a.m.

I hope this helps.

Answer:

X would represent 11 (choice A.)

Answer:

When we have a rectangle of width W and length L, the area of this rectangle can be calculated as:

A = W*L

In this case we have:

W = x

L = 10/x.

Then the area of the rectangle will be:

A = W*L = x*(10/x) = 10

So the value of x cancels in the equation, which means that we can not find the value of x.

Now, as L = 10/x we can find some restrictions:

if x = 0, we would have L = 10/0

So we can not have x = 0.

And as W = x, this represents a positive measure, we also have that x can not be a negative number.

So the relation:

W = x

L = 10/x

Gives us all the possible combinations of width and length such that the area of the rectangle is exactly 10 square units.

Answer:

third graph

Step-by-step explanation:

Answer:

10.3

Step-by-step explanation:

105.6-95.3=10.3

When adding with a number and a negative, you can change the problem to a subtraction problem!!! If the negative is more than the positive, the number will become negative too!!! P.S. Please mark me Brainlist.

Thank you!!!

Answer:

It's D

Step-by-step explanation: