3 years ago

Pls help me with this — show work pls

Mathematics

1 answer:

lianna [129]3 years ago

7 0

Answer:

Step-by-step explanation:

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What is the value of n when 7n – 18 = 5n + 6?

kirill [66]

Answer:

n=12

Step-by-step explanation:

7n-18 =5n+6

+18 to both sides

7n=5n+24

-5n from both sides

2n=24

divide by 2

n=12

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3 years ago

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What’s the Y and X Intercept <br> 5x+10y=10

vfiekz [6]

Answer:

X intercept =6

Y intercept =3

Step-by-step explanation:

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2 years ago

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What is 2logx−logy+2logz written as a single logarithm? log(xz)^2/y log2x/2yz logx^2y/z^2 logx^2/yz^2

Klio2033 [76]

Answer: $\log\dfrac{x^2z^2}{y}$

Step-by-step explanation:

Properties of logarithm:

$(i)\ \ n\log a = a^n\\\\ (ii)\ \ \log m +\log n =\log (mn)\\\\ (iii)\ \ \log m-\log n =\log\dfrac{m}{n}$

Consider,

$2\log x-\log y+2 \log z\\\\ =\log x^2-\log y+\log z^2\ \ \ \ \text{[By (i)]}\\\\= \log x^2+\log z^2-\log y\\\\=\log(x^2z^2)-\log y\ \ \ \ [\text{By } (ii) ]\\\\=\log(\dfrac{x^2z^2}{y}) \ \ \ \ [\text{By (iii)}]$

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3 years ago

What is the equation of the line that passes through the point (8,4) and has a slope of 3/2

iren [92.7K]

Answer: Y= 3/2x-8=

Step-by-step explanation:Y=4 M= 3/2. X=-8

Y=mx+b

4 = 3/2(8)+b

4= 24/2+b

4= 12+b

-12=-12

-8=b

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3 years ago

Select the correct answer.

dlinn [17]

Answer:

E. 25%

Step-by-step explanation:

3/12=0.25

black dots divided by total dots

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2 years ago

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