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2 years ago

Attachment Mathswatch!!

Mathematics

2 answers:

Ostrovityanka [42]2 years ago

8 0

Answer:

y=1/2x+2

Step-by-step explanation:

Gradient is 1/2

Rise/run=1/2=1/2

y=1/2x+c

y intercept=2

y=1/2x+2

kolezko [41]2 years ago

3 0

Answer:

y=-1/2x+2

Step-by-step explanation:

Slope=-1/2

Y intercept=2

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10 is 25% of what number?

Zanzabum

Answer:

Step-by-step explanation:

25%= $\frac{1}{4}$

10×4=40

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2 years ago

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If f(x) = –5x – 4 and g(x) = –3x – 2, find (f – g)(x).

erica [24]

Answer:

C. (f – g)(x) = –2x – 2

Step-by-step explanation:

(f – g)(x) = f(x) – g(x)

= (–5x – 4) – (–3x – 2)

= –2x – 2

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2 years ago

if y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinates of x

svlad2 [7]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ X(\stackrel{x_1}{x}~,~\stackrel{y_1}{y})\qquad Z(\stackrel{x_2}{11}~,~\stackrel{y_2}{-5}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{11+x}{2}~~,~~\cfrac{-5+y}{2} \right)=\stackrel{\stackrel{midpoint}{y}}{(3,-1)}\implies \begin{cases} \cfrac{11+x}{2}=3\\[1em] 11+x=6\\ \boxed{x=-5}\\ \cline{1-1} \cfrac{-5+y}{2}=-1\\[1em] -5+y=-2\\ \boxed{y=3} \end{cases}$

7 0

3 years ago

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E = ( m V2)/2 rewrite this equation to solve for v<br><br><br><br> HELPP!!!!!

Vaselesa [24]

Answer: V 3

Step-by-step explanation:

6 0

2 years ago

While sailing, Jacob is 150 feet from a lighthouse. The angle of elevation from his feet on the boat (at sea level) to the top o

Vlada [557]

Answer:

The height of the lighthouse is approximately 166.6 feet.

Step-by-step explanation:

Let the height of the lighthouse be represented by s, then;

Tan 48° = (opposite) ÷ (adjacent)

Tan 48° = s ÷ 150

⇒ s = 150 × Tan 48°

= 150 × 1.1106

= 166.59

s ≅ 166.6 feet

Therefore, the height of the lighthouse is approximately 166.6 feet.

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2 years ago