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ratelena [41]
4 years ago
8

A, B & C form the vertices of a triangle, where

Mathematics
1 answer:
Brrunno [24]4 years ago
6 0

Answer:

60.6°

Step-by-step explanation:

Tan ACB = opp/adj

= 10.3/5.8

ACB = 60.61584287 = 60.6

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I need help with direct variation equations
OLEGan [10]
4)
a) you got it correct
b) y = 70x
c) Yes
d) f(6) = 70(6) = 420
e) f(x) = 210
    70x = 210
        x = 210/70
        x = 3
f) continuous
g) 
Domain: <span>The set of </span>all possible input values<span> (commonly the "x" variable), which produce a valid output from a particular function.
</span> (-∞ , ∞)

Range: <span>The range is the set of </span>all possible output values<span> (commonly the variable y, or sometimes expressed as </span><span><span>f(x)</span><span>f(x)</span></span><span>), which result from using a particular function.
</span>(-∞ , ∞)

5)
a) y = -5x
b) Yes, go thru (0,0)
and Yes, constant rate is -5
c) Yes
d)
f(11) = -5(11) = -55
e)f(x) = -45
-5x = -45
    x = 9
3 0
3 years ago
Sin²A-cos²A=2sin²A-1​
svet-max [94.6K]

Step-by-step explanation:

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4 0
2 years ago
Find the slope and the y-intercept of the line.<br> y = -1/4x + 9
oksano4ka [1.4K]

Answer: The slope of the line is -1/4 and the y intersect of the line is 9. Hope this helps!

Step-by-step explanation:

8 0
3 years ago
The president of a computer company must decide whether to place the company's new laptop on the market now or wait another year
Elanso [62]

Answer:

The president should release the new laptop now

Step-by-step explanation:

The profit if the new laptop is released now and no competitive device enters the market = $120,409.00

The profit if the new laptop is released now and a competitive device enters the market = $29,698

The profit if the new laptop is released in a years time and no competitive device enters the market = $84,742.00

The loss if the new laptop is released in a years time and a competitive device enters the market = $59,396.00

The chance that a competitive device will enter the market = 22%

∴ The chance that a competitive device will not enter the market = 1 - 22% = 78%

The expected increase in profit the company can make, compared to next year, if the new laptop is released and no competitive device enters the market = ($120,409.00 - $84,742.00) × 78% = $27,820.26

The expected increase in profit the company can make, compared to next year, if the new laptop is released and a competitive device enters the market = ($29,698.00 - $59,396.00)×0.22 = ($6,533.56) loss

Therefore, to maximize the expected profit over the next year, the president should release the new laptop now to make an expected profit of $27,820.26 over the next year.

5 0
3 years ago
Write an equation for each slope following the formula: y=mx+b
Mrrafil [7]
A) y = 5/3x - 9
B) y = -x + 3
C) y = -2/7x + 1
D) y = 5x + 4
4 0
3 years ago
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