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RSB [31]
3 years ago
15

F+ 20 = -1 Solve the equation and check your solution

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:

f=-21

Step-by-step explanation:

-21+20=-1

f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.

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3 years ago
Is π^2 greater or less than 7.2?
STatiana [176]

Answer:

less than

Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
Sentence.
Zarrin [17]

Answer:

25

Step-by-step explanation:

We need to set up a system of equations, then solve for the number of board markers.

Let r represent red pens, let b represent board markers.

She has 41 items, so our first equation is r+b=41.

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.55r+1.5b=46.3

Let's use substitution.

r+b=41

r=41-b

.55r+1.5b=46.3

.55(41-b)+1.5b=46.3

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22.55+.95b=46.3

.95b=23.75

b=25

He bought 25 board markers.

6 0
3 years ago
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Answer:

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Step-by-step explanation:

Comment if you want steps.

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Write an inequality to represent the following statement.
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