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kenny6666 [7]
3 years ago
5

Need help explain it to me I really don’t get it

Mathematics
1 answer:
baherus [9]3 years ago
4 0

imma tell you this i honestly dont know either i never did thi in middle school

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> Which expression is equivalent to 1/3b - 7
LiRa [457]

Answer:

option 2

Step-by-step explanation:

1/3(b-21)= 1/3b - 7

1/3 of -21 is -7

7 0
3 years ago
Read 2 more answers
Help!!!!! There are 103 students taking IB math courses this year. If there are 29 students in first hour, what
m_a_m_a [10]

Answer:

28.2%

Step-by-step explanation:

To get the answer you need to do the following:

Divide 29/103(to get the decimal fraction)

Then you multiply by 100 ;you will get 28.15555 and this rounded of to one decimal place it becomes 28.2%.

29/103*100

7 0
4 years ago
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Provide a formula that can be used to determine whether a point in a circle that is centered about (0,0) with a diameter of 12
fomenos

Answer:

x² + y² = 36

Step-by-step explanation:

The formula for the circle is

x² + y² = 36

If the point is on the circle it will equal 36 when plugged into the formula

Point(6, 0)

6² + 0 = 36

36 = 36    on the circle

point (5, 1)

5² + 1² = ?

25 + 1 = 26

26 ≠ 36      not on the circle

7 0
3 years ago
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Solve the equation. Check the solution. -2/x+4 =4/x+3
jasenka [17]

Answer:B

Step-by-step explanation:

Looked it up

4 0
3 years ago
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The amount of money in a savings account increased from $2,900 to $3,625. What was the percent of increase in the amount of mone
antoniya [11.8K]

Answer:

Step-by-step explanation:

The increase is $725.

   $725

-------------- * 100% = 25% = "percentage increase in the amount saved"

 $2900

4 0
3 years ago
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