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Diano4ka-milaya [45]
3 years ago
12

Which equation represents a proportional relationship? I need the answer for BOTH questions.

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0

Answer:

y =kx

Step-by-step explanation:

The equation that represents a proportional relationship or a line, is y=kx wher k is the constant of proportionality

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jeka57 [31]

Answer: what what! Confused

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Consider the equation 30÷x=6.
8090 [49]
Part A : 30 - x - x - x - x - x - x = 0

^ since 30 divided by 5 is 6, that answer is the same as doing 5 + 5 + 5 + 5 + 5 + 5

- pls comment & correct me if i did smth wrong :’)
7 0
3 years ago
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Shana ran 6miles in 1 week. this is one third of what she ran in the month. let m represent the number of miles shana ran in a l
Slav-nsk [51]
Let m be the distance (in miles) she runs in a month
and w be the distance (in miles) she runs in a week

since the total distance she run in a week is one third of what she run in a month, in equation form
w = m/3

to calculate the distance she run  in a month,
m = 3w
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m = 18 miles in a month
6 0
3 years ago
Miguel invests money in an account paying simple interest. He invests $170 and no money is added or removed from the investment.
stiv31 [10]

~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$185.30\\ P=\textit{original amount deposited}\dotfill & \$170\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &1 \end{cases} \\\\\\ 185.30=170[1+(\frac{r}{100})(1)]\implies \cfrac{185.30}{170}=1+\cfrac{r}{100}\implies \cfrac{109}{100}=\cfrac{100+r}{100} \\\\\\ 109=100+r\implies \stackrel{\%}{9}=r

7 0
2 years ago
Pleaseee someone help me in this question ihave bben eating for half an hour and no one helped me.
pav-90 [236]
Cross Multiply by 'x - 5'
Hence
y(x - 5) = 4 -3x
xy - 5y = 4 - 3x

Move all the terms containing an 'x' to one side of the equals and all the others to the opposite side.
xy + 3x = 4 + 5y
Factor out 'x'
x(y + 3) = 4 + 5y
'Cross' divide by 'y + 3'
x = ( 4 + 5y) / (y + 3 )

'x' is now the subject.
8 0
3 years ago
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