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zepelin [54]
3 years ago
12

−28 = 7b Solve for b Tell what you did to find b

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
Divide both sides by -27 and the you will get b =
Lapatulllka [165]3 years ago
6 0

Answer:

b= -4

Step-by-step explanation:

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PLS HELP ME d + 7 2d-5 10d+ 1 Write and simplify an expression
tester [92]

answer: D = 1

Isolate the variable by dividing each side by factors that don't contain the variable.  7 (2d - 1) + 5 (2 - 3d) = 2d

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HELP PLEASE!!! Which of the following is not a true statement about solving two-step equations?
tensa zangetsu [6.8K]
C= two step equations require all number to be whole number in order to solve.

Here is an example that disproves that:
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  <u>      -8     -8</u>
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A boy leaves on a bicycle trip at the rate of 8 mph. One hour later the father, realizing that his son forgot his camping
KatRina [158]

Answer:

40 mph

Step-by-step explanation:

One hour includes 60 minutes

8/60=0.13(3 repeating)

You only need 15 minutes of time

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3 years ago
Use the frequency table to find the mean number of working TV sets in students' homes. (picture attached)
LenaWriter [7]

The correct option is :  2

<u><em>Explanation</em></u>

For finding the mean number of working TV sets, we need to <u>divide the total number of TV sets by the total frequency</u>.

Now for finding the total number of TV sets, first we will <u>multiply each number of TV sets by it's frequency and then sum up all the results</u>.

So, the total number of TV sets

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and total frequency =1+8+9+4+3= 25

Thus, the mean number of working TV sets = \frac{50}{25}=2

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3 years ago
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