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Ne4ueva [31]
3 years ago
6

The amount that Susan charges per hour for babysitting is a directly proportional to the number of children she is watching. She

charges $4.50 for three kids. How much would she charge for 5?
Mathematics
1 answer:
pychu [463]3 years ago
8 0

Answer:

$7.50

Step-by-step explanation:

set it up as a proportion:

amount she charges/number of kids= x/number of kids

4.50/3=x/5

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Which algebraic properties was applied to the expression a + (b + c) = (a + b) + c?
andrew11 [14]

Answer:

the Associative Property

Step-by-step explanation:

Notice that the ORDER doesn't change -- a, b, c on both sides.  But the GROUPING changes.

Example:

3 + (4 + 5) = (3 + 4) + 5

3 + 9 = 7 + 5

12 = 12

Subtraction does NOT behave this way!

8 - (7 - 1) = 8 - 6 = 2

(8 - 7) - 1 = 1 - 1 = 0

It matters who you associate with!  :-)

5 0
3 years ago
What’s all input for f(x)=3
defon

Answer:

all inputs are equal to <u>3</u>

Step-by-step explanation:

f(x) = 3 \\  =  3 \times 1\\  = 3  \times  {x}^{0}  \\ anything \: raised \: to \: 0 \: is \: 1 \\

\\  substituting \: any \: value \\  \: of \: x \: in \: f(x) \\ f(3) = 3 \times  {3}^{0}  \\  = 3 \times 1 \\ =  3 \\

\\ similarly \: all \: values \: of \: x \: will \\ give \: 3

8 0
3 years ago
4xy + y = w<br><br> solve for y<br><br> pls show work
Soloha48 [4]

Answer:

y = w/4x+1

Step-by-step explanation:

4 0
2 years ago
During a recent test in his Business Skills class, Lionel typed 207 words in 5 minutes .
maks197457 [2]
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4 years ago
A right rectangular prism is 6.5 cm by 14 cm by 5 cm. What is the surface area of the prism?
irina1246 [14]

Answer:

387

Step-by-step explanation:

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2(14*6.5+14*5+6.5*5) = 387

3 0
3 years ago
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