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Gnom [1K]
2 years ago
6

Evaluate the function f(x) = -7x + 2 at f(-18).

Mathematics
1 answer:
enyata [817]2 years ago
7 0

Answer:

128

Step-by-step explanation:

-7x+2 = -18(-7)+2=126+2=128

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A survey asked 25 students about their favorite sport. A frequency table of their responses is below.
Maksim231197 [3]

Answer: The second one

Step-by-step explanation:

response/25=x/100 and then you solve for x

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2 years ago
Hpw to find exponential decay equation of radioaxtive subsrance
max2010maxim [7]
I believe you are referring to the half-life formula, which is used to calculate the half-life (when the substance drops to half of its original amount) of radioactive substances.  The equation is as follows: A = P(.5)^{t/h}

<em>A</em> is the remaining amount
<em>P</em> is the initial amount
<em>t</em> is the time that has passed
<em>h</em> is the half-life of the substance

When plugging values into the equation, make sure that <em>t </em>and <em>h </em>are both measured in the same unit (e.g. <em>t </em>days and <em>h </em>days), as well as <em>A </em>and <em>P</em>.
5 0
3 years ago
What is the surface area of a cylinder with a radius of 3ft and a height of 5ft
ycow [4]
The answer is 150.8. there is a cylindrical surface area calculator online if you have anymore related questions
4 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!! The coordinates of the vertices of quadrilateral JKLM are J(-3,2), K(4,-1), L(2,-5) and M(-5,-2). Find th
irinina [24]
Answer:
JKLM is a parallelogram
Explanation:
The slope m of a line through two points (x1,y1) and (x2,y2)is given by the formula:
m=Δy/Δx=y2-y1/x2-x1
So the slopes of the sides of our quadrilateral are:
mJK=(−1)−24−(−3)=−37
mKL=(−5)−(−1)2−4=2
mLM=(−2)−(−5)−5−2=−37
mMJ=2−(−2)(−3)−(−5)=2
So JK is parallel to LM and KL is parallel to MJ
So JKLM is a parallelogram.
5 0
2 years ago
NEED HELP FAST
Natasha_Volkova [10]
Your answer is C :) blessings
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3 years ago
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