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padilas [110]
3 years ago
8

Jenny has $2.40 deducted from her monthly allowance every time she forgets to do a chore. If she forgets three times in one mont

h, what will be the change in Jennys total allowance?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
3 0

Answer: the change is $7.20

Step-by-step explanation:

each time she forgets she loses $2.40

if she forgets 3 times that’s $2.40 multiplied by 3 times.

$2.40x3=$7.20

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Expand the expression (3-2y)^6 using binomial theorem
Nitella [24]

She should have added 2 to both sides of the equation instead of subtracting 2.

2x -2 = 14

Add 2 to both sides:

2x = 16

Divide both sides by 2:

x = 8

5 0
4 years ago
The function f(x) is given by the set of ordered pairs. {(1,0), (–10,2), (0,6), (3,17), (–2,–1)} Which equation is true?
harkovskaia [24]

The correct equation matches the set of ordered pairs of functions:

<u><em>C.f (0) = 6 </em></u>

<h3>Further explanation </h3>

Set A to set B is said to be a function if each member of set A pairs is exactly one member of set B

So, one value of x is only assigned to one value of y

or <em>it has only one relationship for each input value </em>

A function can be expressed in the form of a cartesian diagram, the set of ordered pairs, or arrow diagram

If y is a function of x, then y = f (x)

where x is the independent variable and y is the dependent variable

x is the domain and y is the result area or range

A function can be write as ordered pair

Ordered pairs because we write the input first, and then the output

Can be described in form

<h3>(input, output) </h3>

<em>or </em>

\large{\boxed{\bold{(x,f (x))}}

So A function can be formed as a set of ordered pairs:

For example a set of ordered pairs

  • (2,4), (3,5), (4,6)

input values ​​(as domain) 2,3,4

output values ​​(as range) 4,5,6.

We complete the questions  with answer choices :

The function f (x) is given by the set of ordered pairs. {(1,0), (–10,2), (0,6), (3,17), (–2, –1)}:Which equation is true?

f(-10)=1

f(2)=-10

f(0)=6

f(1)=-10

Let see  the answer choices :

  • f (-10) = 1

values ​​x = -10, f (x) = y = 1, ordered pairs (-10,1)

  • f (2) = - 10

values ​​x = 2, f (x) = y = -10, ordered pairs (2, -10)

  • f (0) = 6

value x = 0, f (x) = y = 6, ordered pairs (0.6)

  • f (1) = - 10

values ​​x = 1, f (x) = y = -10, ordered pairs (1, -10)

So the answer choices that correspond to the set of ordered pairs of functions above are choices C.f (0) = 6

<h3>Learn more </h3>

F (x) = x2 + 1 g (x) = 5 - x

brainly.com/question/2723982

the inverse of the function f (x) = 2x-10

brainly.com/question/628130

domain of the function

brainly.com/question/4135536

Keywords: domain, function, the set of ordered pairs, input, output

3 0
4 years ago
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Factor 4m - 10m^3<br> PLZ HELP
vazorg [7]

Answer:

2m(2-5m^2)

Step-by-step explanation:

removing the common factors (2 and m), leave you with 2m multiplied by (2-m^2)

6 0
3 years ago
On every three hamburgers that McDonalds makes, they use 9 pickles. How many pickles would they use on 100 burgers?
SpyIntel [72]

Answer:

300 pickles

Step-by-step explanation:

9/3=3, 3*100=300

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3 years ago
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Plz help. 3 yd+ 10 ft+ 17 in=
Phoenix [80]
The easiest thing to do is to convert it all to the smallest units.
3 yard = 108 inches
10 ft = 120 inches
17 inch
108 +120 + 17 = 245 inches
8 0
3 years ago
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