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alex41 [277]
2 years ago
9

What is the GCF of 100 and 20​

Mathematics
2 answers:
GarryVolchara [31]2 years ago
7 0
The GCF of 100 and 20 is 20
malfutka [58]2 years ago
6 0

Answer:

20

Step-by-step explanation:

20 is the greatest factor because:

20*5=100

20*1=20

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tamaranim1 [39]

Answer:

  • The function is injective but nor surjective

Step-by-step explanation:

<u>We see that:</u>

  • f(x) = x³

<u>For any x₁ and x₂ ∈ N, </u>

  • f(x) = x₁³ = x₂³ ⇒ x₁ = x₂, both are natural numbers

It it confirmed one-to-one, hence it is injective

<u>Check the surjectivity:</u>

f(x) = y ∈ N

  • x³ = y
  • y = ∛x

<u>Let y = 2, then:</u>

  • 2 = x³
  • x = ∛2 ∉ N

Since x is not natural, the function is not surjective

6 0
2 years ago
Read 2 more answers
For all the values of x,<br> f(x)=x²+3 g(x)=2x-1 <br> a) find fg(2) <br> b) find gf(2)
erik [133]

Answer:

12 and 13

Step-by-step explanation:

(a)

To evaluate f(g(2)), evaluate g(2) then use the value obtained to evaluate f(x)

g(2) = 2(2) - 1 = 4 - 1 = 3, then

f(3) = 3² + 3 = 9 + 3 = 12

--------------------------------------------

(b)

To evaluate g(f(2)), evaluate f(2) the use the value obtained to evaluate g(x)

f(2) = 2² + 3 = 4 + 3 = 7, then

g(7) = 2(7) - 1 = 14 - 1 = 13

5 0
3 years ago
What is the answer to 5(n-7)=2(n+14) work
pickupchik [31]

Answer:

n = 21

Step-by-step explanation:

5(n-7)=2(n+14)

Distribute

5n -35 = 2n+28

Subtract 2n from each side

5n-2n -35 = 2n-2n +28

3n-35 =28

Add 35 to each side

3n-35+35 = 28+35

3n = 63

Divide by 3

3n/3 = 63/3

n =21

5 0
3 years ago
Read 2 more answers
Jenna has 8 pairs of jeans. Three of them are blue.Jenna bought two more pairs of jeans. If both of them are blue, what percenta
vovikov84 [41]

Answer:62.5%

Step-by-step explanation:You do 5/8 and then divide it and you will get a decimal and move the number 0.625 back to the tens which will get you 6.25%

7 0
3 years ago
a tune up automotive facility marks up its parts by 45%. suppose that the facility charges its customers 2.32 for each spark plu
V125BC [204]

Answer:

$1.6

Step-by-step explanation:

The price of $2.32 already includes the 45% mark up hence taking the original cost to be x, it means the cost of $2.32 is 145% of the original cost

Using the concept of cross multiplication we say that if

1.45 is equivalent to $2.32

1 is equivalent to x

x=\frac {2.32}{1.45}=1.6

Therefore, the company incurs $1.6 for each plug

4 0
3 years ago
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