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Alik [6]
2 years ago
15

A board that is 6.5 feet long has a section cut off that is 3.8 feet long. How much of the board is left?

Mathematics
1 answer:
insens350 [35]2 years ago
5 0

I am not too sure but i think it is 2.7 feet.

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Determine the slope and vertical intercept of the following linear function below
Sedaia [141]

to get the slope of it, we simply need two points off the table, say (-4,-114) and (2,48).  Recall that the y-intercept, where the graph <u>intercepts</u> the y-axis, when that happens x = 0, so is right there on the table already.

\bf \begin{array}{rrll} x&y\\ \cline{1-2} -4&-114\\ -2&-60\\ 0&-6&\leftarrow y-intercept\\ 2&48\\ 4&102 \end{array}~\hfill (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-114})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{48})

\bf slope\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{48-(-114)}{2-(-4)}\implies \cfrac{48+114}{2+4}\implies \cfrac{162}{6}\implies 27 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \left(\stackrel{slope}{27}~~,~~\stackrel{y-intercept}{-6} \right)~\hfill

3 0
3 years ago
The general form for a compound interest function is B(t)=P(1+r/n)^nt . Assuming that n=1 , rewrite the compound interest equati
Vesnalui [34]
The formula B(t)=P(1+\frac{r}{n})^{nt}, for n=1 becomes B(t)=P(1+\frac{r}{1})^{1\cdot t}=P(1+r)^t.

Comparing B(t)=P(1+r)^t with B(t)=900(1.185)^t, we see that 

P=900, and 1+r=1.185, which means that r=0.185.


r=0.185 can be written as 18.5%, as a percentage.


Answer: 18.5%
3 0
3 years ago
7th grade help me please :))
goldfiish [28.3K]

Answer:

-1/2 is the work

Step-by-step explanation:

hope this helped

7 0
3 years ago
A line has a rise of 6 and a slope of 1/20. What is the run?<br> 30<br> 90<br> 120
MrRissso [65]

Answer:

120

Step-by-step explanation:

6/120 = 1/6

6 divided by what would simplify to 1/6?

120

6 0
3 years ago
For a circle with a diameter of 6 meters, what is the measurement of a central angle (in degrees) subtended by an arc with a len
Sholpan [36]

Answer:

\boxed{\boxed{\theta=150^{\circ}}}

Step-by-step explanation:

We know that,

\text{Arc length}=r\cdot \theta

where,

r = radius,

θ = central angle in radian.

Given,

diameter = 6 m, so radius = 3 m.

\text{Arc length}=\dfrac{5}{2}\pi

Putting the values,

\Rightarrow \dfrac{5}{2}\pi=3\theta

\Rightarrow \theta=\dfrac{5}{2\times 3}\pi

\Rightarrow \theta=\dfrac{5}{6}\pi=\dfrac{5}{6}\times 180^{\circ}=150^{\circ}


3 0
3 years ago
Read 2 more answers
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