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3 years ago

Fiona was thinking of a number. Fiona subtracts 11 from it and gets an answer of 33.9. What was the original number?

Mathematics

2 answers:

telo118 [61]3 years ago

8 0

Answer:

44.9

Step-by-step explanation:

33.9+11=44.9

44.9-11=33.9

KatRina [158]3 years ago

5 0

Answer: 44.9

Step-by-step explanation:

33.9+11 = 44.9

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P (6,6) y=2/3x

matrenka [14]

Answer:

$y = -\frac{3}{2}x+15$

Step-by-step explanation:

Given:

Given point P(6, 6)

The equation of the line.

$y = \frac{2}{3}x$

We need to find the equation of the line perpendicular to the given line that contains P

Solution:

The equation of the line.

$y = \frac{2}{3}x$

Now, we compare the given equation by standard form $y = mx +c$

So, slope of the line $m_{1} = \frac{2}{3}$ , and

y-intercept $c=0$

We know that the slope of the perpendicular line $m_{1}\times m_{2} = -1$

$m_{2}=-\frac{1}{m_{1}}$

$m_{2}=-\frac{1}{\frac{2}{3} }$

$m_{2}=-\frac{3}{2}$

So, the slope of the perpendicular line $m_{2}=-\frac{3}{2}$

From the above statement, line passes through the point P(6, 6).

Using slope intercept formula to know y-intercept.

$y=mx+c$

Substitute point $P(x_{1}, y_{1})=P(6, 6)$ and $m = m_{2}=-\frac{3}{2}$

$6=-\frac{3}{2}\times 6 +c$

$6=-3\times 3 +c$

$c=6+9$

$c=15$

So, the y-intercept of the perpendicular line $c=15$

Using point slope formula.

$y=mx+c$

Substitute $m = m_{2}=-\frac{3}{2}$ and $c=15$ in above equation.

$y = -\frac{3}{2}x+15$

Therefore: the equation of the perpendicular line $y = -\frac{3}{2}x+15$

8 0

3 years ago

Solve 2x + 3y = C, for y

natta225 [31]

Answer:

y= $\frac{c-2x}{3}$

Step-by-step explanation:

2x+3y=C

isolate y

3y=C-2x

y= $\frac{c-2x}{3}$

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3 years ago

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Vlad spent 20 minutes on his history homework and then completely solved x math problems that each took 2 minutes to complete. W

Veronika [31]

To solve you first need to pick out the most important information,
~Spent 20 minutes
~Each prob takes 2 minutes
Lets have y be the total time spent, and x the number of probs
(y/2) = x
Hope this helped!! ^-^

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3 years ago

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C minus the quotient of 6 and 3.

alex41 [277]

Answer:

6/3 - c

Step-by-step explanation:

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Answer:

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