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3 years ago

Please help me!!!! i cant see files so just tell me!

Mathematics

1 answer:

Serhud [2]3 years ago

7 0

Answer:

D) 98/280 = p/100

Step-by-step explanation:

Since p is the missing percentage, it has to be OVER 100, so C is eliminated.

Total:

182 + 98 = 280

Spotted sheep probability:

98/280 = 0.35 or 35%

To check:

$\frac{98}{280} =\frac{p}{100} \\\\280p=9800\\x=35$

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PLEASE HELP L has y-intercept (0,5) and is perpendicular to the line with equation y=1/3x+1

marin [14]

Answer:

y=-3x+5

Explanation:

Given a line L such that:

• L has y-intercept (0,5); and

• L is perpendicular to the line with equation y=(1/3)x+1.

We want to find the equation of the line in the slope-intercept form.

The slope-intercept form of the equation of a straight line is given as:

$\begin{equation} y=mx+b\text{ where }\begin{cases}m={slope} \\ b={y-intercept}\end{cases} \end{equation}$

Comparing the given line with the form above:

$y=\frac{1}{3}x+1\implies Slope,m=\frac{1}{3}$

Next, we find the slope of the perpendicular line L.

• Two lines are perpendicular if the product of their slopes is -1.

Let the slope of L = m1.

Since L and y=(1/3)x+1 are perpendicular, therefore:

$\begin{gathered} m_1\times\frac{1}{3}=-1 \\ \implies Slope\text{ of line L}=-3 \end{gathered}$

The y-intercept of L is at (0,5), therefore:

$y-intercept,b=5$

Substitute the slope, m=-3, and y-intercept, b=5 into the slope-intercept form.

$\begin{gathered} y=mx+b \\ y=-3x+5 \end{gathered}$

The equation of line L is:

$y=-3x+5$

7 0

1 year ago

The following is a linear sequence. 1, 4, 7, 10, 13...

jasenka [17]

We have

$a_n = 3n - 2$

We're asked for $a_{90}$

$a_{90} = 3(90) - 2 = 268$

Answer: C 268

8 0

4 years ago

The temperature in degrees Fahrenheit can be expressed by the function F(c)=9/5c+32 where c is the temperature in degrees Celsiu

grigory [225]

The problem above is simply asking for you to convert the measurement given to another form of unit. In this case, we are asked to convert from Celsius to Fahrenheit. To do this, we use the given conversion equation above.

F(c)=9(25)/5+32
F(c) = 77 degrees Fahrenheit

4 0

3 years ago

Simplify the following Square root 15 / Square root 3

Elina [12.6K]

Answer:

The answer is √5 .

Step-by-step explanation:

You have to rationalize the fraction in order to get rid of surd in the denorminator by multiplying √3 to both numerator amd denorminator :