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777dan777 [17]
3 years ago
12

Need some help plz I’m not a math person

Mathematics
2 answers:
Hoochie [10]3 years ago
8 0
They are adding 2 then 4 then 6 then you add 8 then 10 then 12

5—-20
6— 30
7 —- 42
ohaa [14]3 years ago
3 0
20, 30, 42
You just multiply the input by 0,1,2,3,4,5,6 and the output is the answer :)
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I need some help, please.
abruzzese [7]

so if 12 hours is 84 dollars, 84÷12 is 7. so is 112÷16 and 98÷ 4.

so every 1 hour is 7 dollars.

I think the answer you're looking for is 7 and im sorry if its wrong i tried

7 0
3 years ago
If x < -3, then (x+31 = ?
mixer [17]

Answer:

answer≤27

Step-by-step explanation:

then the answer for x could be -4 or lower so -4+31 is 27 so the answer would be any number less than or equal to 27

6 0
3 years ago
You invest $5000 in an account to save for college.
anyanavicka [17]

Answer:

5000 multiplied by 0.05 multiplied by 4

Step-by-step explanation:

you should get 1000. :D next you add 1000 to the orginal 5000 to get 6000!

7 0
2 years ago
BRAINLIEST ASAP! PLEASE HELP ME :)
Margaret [11]

Answer:

\large \boxed{\text{3.0 mi/h}}

Step-by-step explanation:

            Let x = the current of the river

Then 21 + x  = the speed going downstream (with the current)

  a nd 21 - x  = the speed going upstream (against the current)

Distance = speed × time

           d = st

            t = d/s

Time going downstream = time going upstream

\begin{array}{rcll}\dfrac{2.4}{21+ x}& = & \dfrac{1.8}{21 - x} &\\\\2.4& = &(21 + x) \dfrac{1.8}{21 - x} &\text{Multiplied each side by (21 + x)}\\\\2.4(21 - x)& = & 1.8(21 + x) &\text{Multiplied each side by (21 - x)}\\50.4 - 2.4x&=& 37.8 + 1.8x&\text{Removed parentheses}\\50.4 & = & 37.8 + 4.2x & \text{Added 2.4x to each side}\\\end{array}\\

\begin{array}{rcll}12.6 & = & 4.2x & \text{Subtracted 37.8 from each side}\\x & = &\dfrac{12.6}{4.2}&\text{Divided each side by 4.2}\\\\ & = &\mathbf{3.0}& \text{Simplified}\\\\\end{array}\\\text{The current is $\large \boxed{\textbf{3.0 mi/h}}$}

Check:

\begin{array}{rcl}\dfrac{2.4}{21+ 3}& = & \dfrac{1.8}{21 - 3}\\\\\dfrac{2.4}{24}& = & \dfrac{1.8}{18}\\\\0.10 & = & 0.10\\\end{array}

OK

4 0
3 years ago
What equation is equal to 8-2x=12? <br> A)2x-8=-12<br> B)2x-8=12<br> C)x-4=6<br> D)2x=20
Whitepunk [10]
I think it’s a i’m not sure
7 0
3 years ago
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