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horrorfan [7]
3 years ago
15

Please help me with math, 12&13 please. GOD BLESS

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
1. the answer is C
2. the answer is D
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Y varies directly as x and k = 5 <br> Y=kx<br><br>Find y when x = 5​
SpyIntel [72]

Answer:

y = 25

Step-by-step explanation:

Given y = kx and k = 5 then

y = 5x ← equation of variation

When x = 5 , then

y = 5 × 5 = 25

5 0
3 years ago
Please Help!!
vekshin1

The function p(x) = x^3 is a polynomial. Here the “variable”, x, is being raised to some constant power. The function f(x)=3^x is an exponential function (the variable is the exponent).

Exponential functions tend to get very big very quickly, and though they start out smaller than polynomial functions, they will always eventually become bigger. Notice that the two functions meet at x = 2 and x = 4.

5 0
3 years ago
Can someone please help me with this!! I don't know how to do this
otez555 [7]

Answer:

length: 37

width: 11

Step-by-step explanation:

2(4x-7)+2x=96

8x-14+2x=96

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3 0
3 years ago
PLEASE HELP<br> Given f(x)= (x-5)/3 SOLVE FOR f^-1(3)
professor190 [17]
As you already know, to get the inverse of any expression, we start off by doing a quick switcharoo on the variables, and then solve for "y", so let's do so,

\bf \stackrel{f(x)}{y}=\cfrac{x-5}{3}\qquad inverse\implies \boxed{x}=\cfrac{\boxed{y}-5}{3}&#10;\\\\\\&#10;3x=y-5\implies 3x+5=\stackrel{f^{-1}(x)}{y}\\\\&#10;-------------------------------\\\\&#10;3(3)+5=f^{-1}(3)\implies 14=f^{-1}(3)
7 0
3 years ago
What are the coordinates of the centroid of a triangle with vertices X(-4,0), Y(-1,4) and Z (2,2)?
wlad13 [49]
(-1,2)
This should help for future problems
<span>https://www.mathportal.org/calculators/analytic-geometry/triangle-calculator.php</span>
8 0
3 years ago
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