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LenKa [72]
2 years ago
15

Explain two ways you could solve 20 = 5(−3 + x

Mathematics
2 answers:
emmasim [6.3K]2 years ago
7 0

Answer:

7 is x

Step-by-step explanation:

1) Divide both sides by 5 to give

4=-3+x

x=4+3

x=7

2) Multiply 5 with the RHS (Right Hand Side) to give

20=-15+5x

20+15=5x

35=5x

x=7

ruslelena [56]2 years ago
3 0

I hoped this helped! Sorry about my messy handwriting!!!

Step-by-step explanation:

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It's D. the median for town A, 30, is less than the median for town B, 40.

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2 years ago
What is the scientific notation of 0.00165?
Ierofanga [76]

Answer:

The answer is 1.65*10^{-3}

Step-by-step explanation:

when writing scientific notation, there must be one number to the left of the decimal point.

To achieve this in this problem, you need to move the decimal point 3 times to the right.

because you are moving the point to the right, the exponent will be negative.

*rule of thumb: moving the decimal to the left will give you a positive exponent, moving to the right will give you a negative exponent*

therefore you answer should be written as:

1.65*10^{-3}

hope this helps :)

6 0
2 years ago
Write an iequality for -5(×+7)<-10 representing the solution for x​
vovikov84 [41]

Answer:

X<-5

Step-by-step explanation:

1) open the brackets

2) take -35 to the other side with -10

where it turns to be -5X<-10+35

3) work out to find -5X<25

4) divide both sides by -5

to find X<-5

3 0
2 years ago
WILL MARK AS BRAINLIEST PLEASE HELP!!!
neonofarm [45]

Step-by-step explanation:

2x = y-10

Rewrite as: 2x + 10 = y

Therefore:

2x+10 = y

2x +7 = 2y

Subtract the equations:

 2x + 10 = y

- 2x + 7 = 2y

______________

          3 = -y

Therefore y = -3

Substiture y = -3 into the second equation:

2x + 7 = 2(-3)

2x + 7 = -6

2x = -13

x= -6.5

Answer : (-6.5, -3)

3 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (8,1) and has a slope of 3/4
iris [78.8K]

Answer:

believe the answer is

y =  \frac{3}{4} x - 5

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
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