8ducks for 23.60 blank per duck

Answers

Answer 1

Answer:

Step-by-step explanation:

23.60÷8= 2.95

Each duck will be 2.95

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Find the inverse of each function1) g (x)= 3+(x-1)^3
4) f (x)=x^3+2
5) f (n)= 5 square root of (-n+1/2)

Answers

to find the inverse
1. replace f(x) or g(x) or f(n) with y
2. switch places of x and y
3. solve for y
4. replace y with f⁻¹(x) or g⁻¹(x) or f⁻¹(n)

1.
g(x)=3+(x-1)^3
replace
y=3+(x-1)^3
switch
x=3+(y-1)^3
solve
x=3+(y-1)^3
subtract 3
x-3=(y-1)^3
cube root both sides
$\sqrt[3]{x-3}$ =y-1
add 1
$\sqrt[3]{x-3}$ +1=y
switch y with g⁻¹(x)
g⁻¹(x)= $\sqrt[3]{x-3}$ +1

4. f(x)=x^3+2
replace with y
y=x^3+2
switch x and y
x=y^3+2
solve for y
x=y^3+2
subtract 2
x-2=y^3
cube roo both sides
$\sqrt[3]{x-2}$ =y
replace with f⁻¹(x)
f⁻¹(x)= $\sqrt[3]{x-2}$

5.
f(n)=5 $√(-n+1/2)$
replace
y=5 $√(-n+1/2)$
switch n and y
n=5 $√(-y+1/2)$
solve for y
n=5 $√(-y+1/2)$
divide both sides by 5
n/5=n= $√(-y+1/2)$
square both sides
$(n^2)/(25)$ =-y+1/2
subtract 1/2 from both sides
$(n^2)/(25)$ - $(1)/(2)$ =-y
multiply both sides by -1
- $(n^2)/(25)$ + $(1)/(2)$ =y
replace with f⁻¹(n)
f⁻¹(n)=- $(n^2)/(25)$ + $(1)/(2)$

1. g⁻¹(x)= $\sqrt[3]{x-3}$ +1
4. f⁻¹(x)= $\sqrt[3]{x-2}$
5. f⁻¹(n)=- $(n^2)/(25)$ + $(1)/(2)$

7a – b = 15a, for a does anyone have a clue what this is

Answers

welp its kinda easy you are trying to get b so 7a-7a 15a-7a equals 8a

Im new here, Could anyone help me

Jason's cereal contains 1 decagram of sugar. He adds 4 more grams of sugar. How many total grams of sugar does his cereal contain?

Answers

1 decagram is equal to 10 grams so,
10+4=14
He has 14 grams of sugar in his cereal.

Answer:14 grams of sugar in his cereal

Step-by-step explanation:

10 = n +19
Inverse operation
Answer: 9=n

Answers

Answer:

n=-9

Step-by-step explanation:

subtract 19 to both sides

19-19=0

10-19=(-9)

n=-9

to verify add 19+(-9)=10

hope this helps :3

if it did pls mark brainliest

n = -9
10 = n + 19
n + 19 = 10
n + 19 - 19 = 10 - 19
n = -9

Which expression is equivalent to √-80a. -4 √5
b. -4 √5i
c. 4 √5i
d. 4 √5

Answers

To simplify √-80, we can take out "i" from the root by using the relation i = √-1. Further factoring out 80, we can simplify it, which will be shown as follows:

√-80 = √(-1)(16)(5) = 4i√5

Among the choices, the correct answer is C.

Answer:

Your answer would be c.

Step-by-step explanation:

Which set of ordered pairs (x, y) could represent a linear function?A = {(-6,3), (-3,0), (0, -3), (3,-5)}
B= Y(-1,2), (2, 1), (5,0), (8, -1)}
C = {(-4,-7), (-1, -3), (2.0), (5,3)}
D = {(-5, -8), (-2,-4), (1,1), (4,6)}