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horsena [70]
3 years ago
15

What is the equation of the line through the origin and (7, 2)?​

Mathematics
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

y = 2/7x

Step-by-step explanation:

ap.ex

Dvinal [7]3 years ago
5 0

Answer:

Equation of line passing through origin and (7,2) is: y = \frac{7}{2}x

Step-by-step explanation:

The general form of equation of line is given by:

y = mx+b

When a line passes through origin it has no y-intercept so the equation will become

y = mx

Slope is given by the formula

m = \frac{y_2-y_1}{x_2-x_1}

Here,

(x1,y1) = (0,0)

(x2,y2) = (7,2)

Putting the values in the formula

m = \frac{7-0}{2-0} = \frac{7}{2}

Putting the value of slope in equation of line

y = \frac{7}{2}x

Hence,

Equation of line passing through origin and (7,2) is: y = \frac{7}{2}x

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Please help if possible thank you
Helga [31]

y =  \frac{3}{2}
5 0
4 years ago
The value of y is directly proportional to the value of x. If y =35 when x = 140, what is the value of y when x =70?
torisob [31]
17.5 because 140 divided by 35 is 17.5 and so is 70 divided by 35.
3 0
3 years ago
3. Are these ratios equivalent? 35:28 and 10:8 *
attashe74 [19]

Reduce each ratio to its minimum expression to find if they are equal.

35:28

\begin{gathered} \frac{35}{28}=\frac{7\cdot5}{7\cdot4} \\ =\frac{5}{4} \end{gathered}

10:8

\begin{gathered} \frac{10}{8}=\frac{2\cdot5}{2\cdot4} \\ =\frac{5}{4} \end{gathered}

Since both ratios reduce to 5:4, they are equivalent.

Another way to check a:b is equivalent to c:d, is that a*d = b*c

In this case, this will be true if 35 times 8 is equal to 10 times 28:

\begin{gathered} 35\cdot8=280 \\ 10\cdot28=280 \end{gathered}

Since both products are equal, then the ratios are equivalent.

4 0
1 year ago
What is the value of x and the measure of MNQ
serg [7]

Answer:

3x - 13 +58 = 90, so 3x +45 = 90

Then 3x = 90 - 45 = 45 and x= 45/3 = 15.

m∠MNQ = 3x-13 = 3(15) - 13

                             =  45-13

                             =   32

6 0
3 years ago
Factorise x^2 + x - 12
icang [17]

Answer:

(x+4)(x-3)

Step-by-step explanation:

I'm italian. I used a formula that we Italians call "somma e prodotto". Tell me if it's correct.

7 0
3 years ago
Read 2 more answers
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