2 years ago

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Mathematics

1 answer:

Mashutka [201]2 years ago

8 0

She does not have to bike any further as she has met her goal, yet if she wants she can continue

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30% of 44 is equal to 3% of 440 a. True or false?

lina2011 [118]

Answer:

True

Step-by-step explanation:

44 x 10 = 440

30% x 0.1 = 3

Therefore 30% of 44 is equal to 3% of 440

4 0

3 years ago

Plz help! Thank you so much!

Sergio [31]

Answer:

I dont have idea what I need to the to help you

Step-by-step explanation:

3 0

3 years ago

PLEASE HELP h(3) = 5x2^-x , Evaluate the function h (3)

Ksju [112]

H (x) = 5 x 2^-x

2^-x is the same as saying 1/2^x .

h (x) = 5 x 1/2^x

h (3) = 5 x 1/2^3
= 5 x 1/8
= 5/8

Therefore h (3) = 5/8

6 0

3 years ago

Let f(x)=4x+1 and g(x)3x+k find value of k if fog(x)=gof(x)

kogti [31]

Answer:

$\huge\boxed{k=\dfrac{2}{3}}$

Step-by-step explanation:

$f(x)=4x+1\\\\g(x)=3x+k\\\\(f\circ g)(x)=f\bigg(g(x)\bigg)=4(3x+k)+1=(4)(3x)+(4)(k)+1=12x+4k+1\\\\(g\circ f)(x)=g\bigg(f(x)\bigg)=3(4x+1)+k=(3)(4x)+(3)(1)+k=12x+3+k\\\\(f\circ g)(x)=(g\circ f)(x)\iff12x+4k+1=12x+3+k\qquad|\text{cancel}\ 12x\\\\4k+1=3+k\qquad|\text{subtract 1 from both sides}\\\\4k=2+k\qquad|\text{subtract}\ k\ \text{from both sides}\\\\3k=2\qquad|\text{divide both sides by 3}\\\\k=\dfrac{2}{3}$

5 0

3 years ago

R={(3,-2), (-3,0), (-1, 2), (1, 2)} Select all numbers that are in the domain.

Crazy boy [7]

Answer-

-3, -1, 1, 3

Step-by-step explanation:

the domain is the x variable.

hope this helps

6 0

3 years ago