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dem82 [27]
3 years ago
12

What is the value of x in the equation below?

Mathematics
2 answers:
11111nata11111 [884]3 years ago
5 0

Answer:

3

Step-by-step explanation:

4x+6=18 /-6

4x=12 /÷4

x=3

svp [43]3 years ago
3 0

Answer:

3

Step-by-step explanation:

because 4 times 3=12

then you add 6 to make 18!

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write an equation in point-slope form of the line that passes through the point (-3,6) and has a slope of 5
RSB [31]

Answer:

y=5x + 21

Step-by-step explanation:

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5 0
3 years ago
A student scored 66 points on his Psychology 101 midterm. If the average of his midterm and final must be between 78 and 90 incl
Paul [167]

Answer:

range of scores on final exam student get  B is 90 to 100

Step-by-step explanation:

given data

Psychology 101 score = 66

average of his midterm = between 78 and 90

maximum = 100 points

to find out

range of scores on final exam student get  B

solution

we consider here lowest marks need in final = x

so average at two marks should be

equation is  

average marks = 0.5 × ( mid term marks + final marks )      .................1

put here value

78 = 0.5 ×  ( 66 + x )

x = 90

and

90 = 0.5 ×  ( 66 + x )

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so range 90 to 114

but maximum marks is 100 so

range of scores on final exam student get  B is 90 to 100

3 0
3 years ago
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