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3 years ago

Determine the unknown side of the similar triangle. A) 2 B) 3 D) 5

Mathematics

2 answers:

nirvana33 [79]3 years ago

5 0

I think it is C so it would be 4

irga5000 [103]3 years ago

4 0

The answer would be c. 4

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The graph shows the volume of water in a sink x minutes after the faucet is turned on.

zepelin [54]

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2 years ago

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Find the slope of the line

tatuchka [14]

Answer:

The slope is 0.84

Step-by-step explanation:

View solution from above uploaded photos

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3 years ago

Can you please explain?

Elina [12.6K]

Okay, so what you need to figure out is that how many years in between 21 1/4 and 37 there are based on the amount the tree grows a year. So, 1 3/4 times 9 is 15.75, and this added to 21 1/4 is 37. This means that it will take the tree 9 years to grow from 21 1/4 ft to 37 ft.

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3 years ago

Draw the graph of the line that is perpendicular to Y= 4X +1 and goes through the point (2, 3)

spayn [35]

Given:

$\begin{gathered} y=4x+1 \\ \text{ point }(2,3) \end{gathered}$

To find:

Draw a graph of a line that is perpendicular to the given line and passing through a given point.

Explanation:

As we know that relation between two slopes of perpendicular slopes of lines:

$m_1.m_2=-1$

Slope of given line y = 4x + 1 is:

$m_2=4$

So, the slope of line perpendicular to given line is:

$m_2=-\frac{1}{4}$

Also, so line equation that is perpendicular to given line is:

$y=-\frac{1}{4}x+c...........(i)$

Also, the required line is passing thorugh given point (2, 3), i.e.,

$\begin{gathered} 3=-\frac{1}{4}(2)+c \\ c=3+\frac{1}{2} \\ c=\frac{7}{2} \end{gathered}$

So, line equation that is perpendicular to given line is:

$y=-\frac{1}{4}x+\frac{7}{2}$

The required graph of line is:

8 0

2 years ago

Combine like terms.<br><img src="https://tex.z-dn.net/?f=-w%2B4w%2B12" id="TexFormula1" title="-w+4w+12" alt="-w+4w+12" align="a

Jlenok [28]

Answer: Yes; you do combine "-w" and "4w" ; because they are both "like terms" ; that is, they are both terms with the SAME first degree single variable in the entire expression.

So, to combine them:
-w + 4w = -1w + 4w = 3w ;

and we can simplify the entire expression:

" -w + 4w + 12 " ;
____________________________________
to: " 3w + 12 " .
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Hope this explanation helps!

6 0

3 years ago