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Maslowich
3 years ago
6

Can someone help me out, please? Its really important

Mathematics
1 answer:
vova2212 [387]3 years ago
8 0

Answer:

3x^4+8x^3+9x^2+2x

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Create a function f(x) such that f(3)=20
svp [43]

Answer:

f(x) =  \frac{20}{3} x

Step-by-step explanation:

f(x) =  \frac{20}{3} x \:  ...  (required function)  \\ Plug \: x = 3 \\ f(3) =  \frac{20}{3}  \times 3 \\ f(3) = 20

5 0
3 years ago
The length of a rectangle is 16 cm less than quadruple the width. If the perimeter is 28 cm,
PilotLPTM [1.2K]
Width = x cm
Length = 4x - 16

Perimeter = x + x + 4x -16 + 4x - 16
28 = 10x -32

(+ 32 to both sides)

60 = 10x

6 = x


Width = 6cm

Length = (6x4) - 16
= 8cm
5 0
2 years ago
HELP ME PLZ I NEED HELP
german

Answer:

A

Step-by-step explanation:

\frac{12}{a} = \frac{9}{b} => 12b = 9a

12 * 1.5 = 9 * 2

18 = 18

This option works

5 0
3 years ago
Write a linear equation in standard form that crosses (4,-3) and (-2,9)
Goryan [66]
Y = -2x + 5 
That's the answer and you find it by finding the slope by using (4,-3) and (-2,9). You subtract -3 from 9 over 4 from -2. After you find the slope which would be -2 you use the equation y-y1 = slope(x - x1). You plug in any coordinates and find the answer. 

5 0
4 years ago
Use the properties of logarithms to write the following expression as one logarithm.
raketka [301]

Answer:

Step-by-step explanation:

hi! the log properties say that when logs are multiplied as log(xy), they can be expanded and added like log(x)+log(y). when logs are divided like log(x/y), they can be expanded as log(x)-log(y). when the log has an exponent like log(x^y), the exponent can be added to the front of the log like ylog(x). we can use these properties for this problem.

ln(x^3)+ln(y^2)-ln((x+1)^4)

ln(x^3*y^2)-ln((x+1)^4)

ln(\frac{(x^3y^2)}{((x+1)^4)})

6 0
3 years ago
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