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RideAnS [48]
4 years ago
11

Evauate 15 divide by r minus 1 when r = 5

Mathematics
2 answers:
kiruha [24]4 years ago
8 0
The Answer is 2 because 15 divided by r (5) is 3 and 3 minus 1 is 2
Alik [6]4 years ago
4 0
15 divided by 5 equals 3

3 minus 1 equals 2

so your answer would be 2 :)
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2. If p(x) = 7x-9 and g(x) = x2 +8, what is r(x) = (p * 2)(x)?​
Naddika [18.5K]

Answer:

r(x) = 14x - 18

Step-by-step explanation:

(p×2)(x) = 2×p(x) = 2×(7x - 9) = 14x - 18

6 0
3 years ago
The frequency table shows the number of t-shirts each person in a class owns. Which histogram is displayed correctly from the fr
ASHA 777 [7]

Answer:

I think its option 1

Step-by-step explanation:

4 0
3 years ago
F(x)=(x-6)e^-3x find the interval in which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema
Over [174]
\bf f(x)=(x-6)e^{-3x}\\\\
-----------------------------\\\\
\cfrac{dy}{dx}=1\cdot e^{-3x}+(x-6)-3e^{-3x}\implies \cfrac{dy}{dx}=e^{-3x}[1-3(x-6)]
\\\\\\
\cfrac{dy}{dx}=e^{-3x}(19-3x)\implies \cfrac{dy}{dx}=\cfrac{19-3x}{e^{3x}}

set the derivative to 0, solve for "x" to get any critical points
keep in mind, setting the denominator to 0, also gives us critical points, however, in this case, the denominator will never be 0, so... no critical points from there

there's only 1 critical point anyway, and do a first-derivative test on it, check a number before it and after it, to see what sign the derivative has, and thus, whether the graph is going up or down, to check for any extrema
5 0
3 years ago
What is the length of BC in the right triangle below?
Verdich [7]

Answer:

<h2>BC = 39</h2>

Step-by-step explanation:

Use the Pythagorean theorem:

hypotenuse^2=leg^2+leg^2

We have

leg=AC=36,\ leg=AB=15, hypotenuse=BC

Substitute:

BC^2=36^2+15^2\\\\BC^2=1296+225\\\\BC^2=1521\to BC=\sqrt{1521}\\\\BC=39

7 0
4 years ago
GIVING BRAINLIEST!<br><br> Solve for y: 3x - y = 14<br><br> Thank you~
ValentinkaMS [17]
To solve y, we need to make y the only value on the left hand side of the equation:

3x - 3x - y = 14 \\  3x - 3x - y = 14 - 3x \\  - y = 14 - 3x \\ y =  - (14 - 3x) \\ y =  - 14 + 3x
Therefore the value of y = -14+3x.

Hope it helps!
8 0
3 years ago
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