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steposvetlana [31]
3 years ago
8

Solve 3.5x + 10 < -30

Mathematics
2 answers:
kozerog [31]3 years ago
7 0
Yes the answer above is correct but to explain it

3.5×+10 <-30 subtract 10 from both sides so this moves the 10 to the other side to get
3.5x<-30-10 then 3.5×<-40
then you want to move the 3.5 by dividing it to both sides so you just have the x to get x < -40÷3.5 then x <-11.43
I know this correct.
Lerok [7]3 years ago
3 0
K easy 1 change 10 to -10 add it to -30 and get -40 divid -40 by 3.5 and get 
x<-11 (if im worng sorry i am in pre algebra not algebra but i am good at math not fractions wet)
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If you know the pythagorean theorem, then you can always find the distance between two points in the plane.
telo118 [61]
The answer to this question is true

8 0
3 years ago
Read 2 more answers
A fertilizer company manufactures 10-pound bags of fertilizer with a standard deviation of 0.24 pounds per bag. The bag weights
Ksju [112]

Answer:

the probability that a sample of 4 bags will have a mean weight less than 9.8 pounds is 0.05

Step-by-step explanation:

Given the data in the question;

μ_x = 10 pound bags

standard deviation s_x = 0.24 pounds

sample size n = 4

The bag weights are normally distributed so;

p( x' less than 9.8 ) will be;

p(  (x'-μ_x' / s_x')   <   (9.8-μ_x' / s_x')  )

we know that;

μ_x' = μ_x = 10

and s_x' = s_x/√n = 0.24/√4

so; we substitute

p(  z  <  ( (9.8 - 10) / (0.24/√4)  )

p(  z  <  -0.2 / 0.12   )

p(  z  <  -1.67   )

{ From z-table }

⇒ p(  z  <  -1.67   ) = 0.0475 ≈ 0.05

Therefore, the probability that a sample of 4 bags will have a mean weight less than 9.8 pounds is 0.05

3 0
3 years ago
Simplify the expression 6 + 3(2x - 4(3x - 2)].​
I am Lyosha [343]

Answer:

-30x + 30

Step-by-step explanation:

6 + 3 × [2x - 12x + 8]

6 + (-30x) + 24

-30x + 24

hope its correct if not sorry

8 0
4 years ago
Simplify this: log√24+ log6​
Kitty [74]

simplifying log\sqrt{24}+log6 we get log(12\sqrt{6})

Step-by-step explanation:

We need to simplify: log\sqrt{24}+log6

Solving:

Applying the rule:

log a + log b = log(ab)

log\sqrt{24}+log6\\=log(6\sqrt{24})\\\sqrt{24} = \sqrt{2*2*2*3} =\sqrt{2^2*6} =\sqrt{2^2} \sqrt{6}=2\sqrt{6}\\  Putting\,\,value:\\=log(6*2\sqrt{6})\\=log(12\sqrt{6})

So, simplifying log\sqrt{24}+log6 we get log(12\sqrt{6})

Keywords: Simplifying Logarithms

Learn more about Simplifying Logarithms at:

  • brainly.com/question/11921476
  • brainly.com/question/10633485
  • brainly.com/question/5758530

#learnwithBrainly

3 0
4 years ago
Help me find the error <br> plz i beg
Annette [7]

Answer:

you have to divide by 4 not subtracted.  

Step-by-step explanation:

5 0
3 years ago
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