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zhuklara [117]
3 years ago
9

I have no idea how to work out these problems please help

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

I would say the one that says if 300 lunches were served then 40 more students chose pizza over salad. It is either that or the one on top i can't see the graph clearly enough.

Step-by-step explanation:

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Jay is 3 years less than 4 times Nelly’s age ( n ). Which expression represents Jay’s age?
NeX [460]

Answer:

9

Step-by-step explanation: 3x4= 12  -3=9

6 0
3 years ago
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1. Evaluate the function f(x)=3x-1 using the domain of -2, 0, 3, and 5. Results are to be shown in a table.
IceJOKER [234]

Answer:

See explanation

Step-by-step explanation:

You are given the function f(x)=3x-1

The domain of the function are all possible values of variable x, so you can find f(x) for x=-2, 0, 3, 5:

f(-2)=3\cdot (-2)-1=-6-1=-7\\ \\f(0)=3\cdot 0-1=0-1=-1\\ \\f(3)=3\cdot 3-1=9-1=8\\ \\f(5)=3\cdot 5-1=15-1=14

The table is

\begin{array}{cc}x&f(x)\\-2&-7\\0&-1\\3&8\\5&14\end{array}

The inverse function f^{-1}(x) has the domain which is the range of the function f(x) (all possible values of f(x)), so the domain of inverse function is {-7,-1,8,14}

6 0
3 years ago
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What are the possible values of x in x2 + 3x + 3 = 0?
Leto [7]

Answer:

Step-by-step explanation:

5 0
3 years ago
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Complete the steps to find the value of x
vampirchik [111]
72, 96, 84, 12

72 + (7x+24) = 180
7x + 96 = 180
7x = 84
x = 12
3 0
3 years ago
Whats 9+12 i need help please help me
Anuta_ua [19.1K]

Answer:

21

Step-by-step explanation:

bc

1

12

9

+--

21

4 0
3 years ago
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