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4 years ago

Please answer asap!! rlly need the answer, will be marked as brainlist

Mathematics

1 answer:

Korolek [52]4 years ago

7 0

I dont know how to say it but what i do know that the pattern in plus 2, plus 3, and so on

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A line passes through (-9,-5) and (2,-4)

zlopas [31]

The point-slope form of a line:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (-9, -5) and (2, -4). Substitute:

$m=\dfrac{-4-(-5)}{2-(-9)}=\dfrac{1}{11}\\\\y-(-5)=\dfrac{1}{11}(x-(-9))\\\\\boxed{y+5=\dfrac{1}{11}(x+9)}\leftarrow\boxed{\text{point-slope form}}$

The standard form of a line:

$Ax+By=C$

$y+5=\dfrac{1}{11}(x+9)$ multiply both sides by 11

$11y+55=1(x+9)$

$11y+55=x+9$ subtract 9 from both sides

$11y+46=x$ subtract 11y from both sides

$46=x-11y$

$\boxed{x-11y=46}\leftarrow\boxed{\text{standard form}}$

5 0

3 years ago

Nicole is making 1,000bowls for people who donate to the library book sale she needa piece of ribon that is 0.75 meter long for

puteri [66]

Answer: Nicole needs 750 meters of ribbon.

Step-by-step explanation:

Given : The length of ribbon required for each bow = 0.75 meter

The number of bows Nicole needs to make = 1,000

Now , the total length of ribbon is required here = (number of bows Nicole needs to make) x (length of ribbon required for each bow)

= (1000) x (0.75)

= 750 meters

Hence, the total length of ribbon is required here = 750 meters

i.e. Nicole needs 750 meters of ribbon.

8 0

3 years ago

Find the slope of the line passing through the points (2,5) and (0,-4).

Volgvan

$\bf (\stackrel{x_1}{2}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{0}~,~\stackrel{y_2}{-4}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-4-5}{0-2}\implies \cfrac{-9}{-2}\implies \cfrac{9}{2}\implies 4\frac{1}{2}$

5 0

4 years ago

What is the square inches

Len [333]

Answer:

8*8+12*3=100 is the answer

5 0

3 years ago

a hiking path is represented by the equation y=3/8x on a coordinate map. The county would like to create a parallel path for bik

stepladder [879]

Answer:

The equation of the bike path on a coordinate map is represented by $y = \frac{3}{8}\cdot x +1$ .

Step-by-step explanation:

From Analytical Geometry, we know that resultant parallel line is a translated version of parent line. Two lines are parallel to each other when they share the same slope. The resultant line can be construted from slope-point form:

$y-y_{o} = m_{\parallel}\cdot (x-x_{o})$

Where:

$x_{o}$ , $y_{o}$ - Components of known point, dimensionless.

$m_{\parallel}$ - Slope of the parallel line, dimensionless.

In addition, a line has also this form:

$y = m\cdot x + b$

Where:

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

$m$ - Slope, dimensionless.

$b$ - y-Intercept, dimensionless.

Given that parent function is $y = \frac{3}{8}\cdot x$ , the slope of the resulting line is $m_{\parallel} = \frac{3}{8}$ . Now, if $x_{o} = 16$ and $y_{o} = 7$ , we obtain the equation of the line:

$y-7 = \frac{3}{8}\cdot (x-16)$

$y = \frac{3}{8}\cdot x +1$

The equation of the bike path on a coordinate map is represented by $y = \frac{3}{8}\cdot x +1$ .

3 0

4 years ago