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Norma-Jean [14]
2 years ago
7

Find the slope of the line passing through the points (-4, -3) and (8, -9).

Mathematics
2 answers:
deff fn [24]2 years ago
7 0

Answer: -6/12

Step-by-step explanation:

Use slope formula m= y2-y1/x2-x1, which would be -9-(-3)/8-(-4) = -6/12; X1= -4, Y1= -3, X2=8, Y2=-9

lana [24]2 years ago
5 0

Answer:

-1/2

Step-by-step explanation:

-9--3=-6

8--4= 12

-6/12

-1/2

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A is f(t)=-(t-4)^2+50

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2 years ago
10 years ago, there were 35 mountain lions and today there are 21. Find the percent of change.
charle [14.2K]

Answer:

40%

Step-by-step explanation:

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2 years ago
The area of a semicircle is 0.2512 square inches. What is the semicircle's radius?​
san4es73 [151]

Answer:

0.28277

I got this by plugging in 0.2512 for "A" ( A = π r² ) Then I solved the rest ( divide both sides by pie, then taking the square root from that.

Step-by-step explanation:

Cos Milky Said it.

7 0
3 years ago
let f(x)= p+ 8/x-q. the line x=4 is a vertical asymptote to the graph of f. what is the value of q and p, if the y intercept is
svlad2 [7]

Answer:

The value of q and p is 4 and -24  respectively.

Step-by-step explanation:

Being f(x)=\frac{p+8}{x-q} , the line x=4 is a vertical asymptote to the graph of f(x).  The line r is an asymptote of a function if the graph of the function is infinitely close to the line r. That is, an asymptote is a line to which a function approaches indefinitely, without ever touching it.

Being a rational function that which can be expressed as the quotient of two polynomials, a vertical asymptote occurs when the denominator is 0, that is, where the function is not defined. In this case:

x - q= 0

Solving:

x= q

Being the line x=4 the vertical asymptote, then

<u><em>4=q</em></u>

Then the function f (x) is:

f(x)=y=\frac{p+8}{x-4}

The y intercept is (0,4). This is, x= 0 and y=4. Replacing:

4=\frac{p+8}{0-4}

Solving:

4=\frac{p+8}{-4}

4*(-4)= p+8

-16= p+8

-16 - 8= p

<u><em>-24= p</em></u>

<u><em>The value of q and p is 4 and -24  respectively.</em></u>

7 0
3 years ago
PLEASE I BEG FOR HELP! Find mKNL A. 247 B. 184 C. 196 D. 264
fiasKO [112]

Answer:

D. 264°

Step-by-step explanation:

When a tangent and a secant, two secants, or two tangents intersect outside a circle then the measure of the angle formed is one-half the positive difference of the measures of the intercepted arcs. Therefore,

60° = 1/2[(18x - 6)° - (5x +17)°]

60° * 2 = (18x - 6 - 5x - 17)°

120° = (13x - 23)°

120 = 13x - 23

120 + 23 = 13x

143 = 13x

143/13 = x

11 = x

x = 11

(18x - 6)° = (18*11-6)°= (198 - 6)° = 192°

(5x +17)° = (5*11 +17)° =(55+17)° = 72°

m (arc KNL) = (18x - 6)° + (5x +17)° = 192° + 72°

m (arc KNL) = 264°

7 0
2 years ago
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