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o-na [289]
3 years ago
15

2x+3y= -14 y=6x+22 x=

Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
X=-4 , you just had to substitute y into the equation

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Please help me asap its the end of the year and i need to get this in
Mademuasel [1]

Answer:

it would be 200 units

Step-by-step explanation:

if the length is twice the width and the perimeter only being 60 units, you would have 20 as your length and 10 as your width (20+20+10+10=60). Then if you multiply 20 and 10 you get 200

4 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B%20lnx%20%7D%20" id="TexFormula1" title=" \sqrt[4]{ lnx } " alt=" \sqrt[4]
Kamila [148]

Use the power rule for differentiation:

\dfrac{\text{d}}{\text{d}x} (f(x))^k = k(f(x))^{k-1}f'(x)

You can use this formula if you remember that a root is just a rational exponential:

\sqrt[4]\ln(x) = (\ln(x))^{\frac{1}{4}}

So, remembering that the derivative of the logarithm is 1/x, you have

\dfrac{\text{d}}{\text{d}x} (\ln(x))^{\frac{1}{4}} = \frac{1}{4}(\ln(x))^{\frac{1}{4}-1}\dfrac{1}{x}

Which you can rewrite as

\dfrac{1}{4}(\ln(x))^{\frac{1}{4}-1}\dfrac{1}{x} =\dfrac{1}{4}(\ln(x))^{\frac{-3}{4}}\dfrac{1}{x} =\dfrac{1}{4}\dfrac{1}{\sqrt[4]{\ln(x))^3}}\dfrac{1}{x} = \dfrac{1}{4x\sqrt[4]{\ln(x))^3}}

3 0
2 years ago
In the figure below, F is between E and G, and G is between F and H. IF EH=9, FH = 7, and EG=6, find FG.
shutvik [7]

Answer:

EH = 9

FH = 7

EG = 6

EF = EH - FH

EF = 9 -7

EF = 2

FG = EG -EF

FG = 6 -2

FG = 4

Step-by-step explanation:

3 0
3 years ago
Question<br> Find the multiplicative inverse of 0.13.
maks197457 [2]

Answer:

13

Step-by-step explanation:

13

desde

s

s

s

s

eejejjejee

6 0
3 years ago
Solve system of equation by substitutions? y= 1<br><img src="https://tex.z-dn.net/?f=y%20%3D%20x%20-%208%20" id="TexFormula1" ti
Bezzdna [24]
1=x-8
add 8 to both sides
9=x

checking that it works
1=9-8
1=1
so 9=x
5 0
2 years ago
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