2 years ago

Help.......will be marked brainiest_ ONLY IF CORRECT PLS NOTE

Mathematics

1 answer:

mixer [17]2 years ago

8 0

Answer:

3,1

Step-by-step explanation:

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Write an equation of the line that passes (-3,3) and is perpendicular to the line 2y=8x-6

nikitadnepr [17]

Answer:

2y=8x-30 or -4x+y=-15

Step-by-step explanation:

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Natasha2012 [34]

The answer to that is 16

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2 years ago

5x - 7 = 5 - x show work please

liberstina [14]

Answer:

x=2

Step-by-step explanation:

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2 years ago

Evaluate the expression 4^3/8(3*2)-3=10

nadya68 [22]

Answer:

false

Step-by-step explanation:

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2 years ago

Help please, try to explain it in steps for me if u can't that's fine, ty!

Iteru [2.4K]

Answer:

Step-by-step explanation:

We are given that Expression One is:

$2\cdot 10^x$

And Expression Two is:

$4\cdot 10^{x+y}$

We are given that the value of Expression Two is 20,000 times greater than the value of Expression One. And we want to find the value of y. In other words:

$4\cdot 10^{x+y}=20000(2\cdot 10^x)$

We can divide both sides by four:

$10^{x+y}=10000\cdot 10^x$

Recall that:

$x^a\cdot x^b=x^{a+b}$

Therefore:

$10^x\cdot 10^y=10000\cdot 10^x$

Divide both sides by 10ˣ:

$10^y=10000$

Solve for y:

$\displaystyle y = \log_{10}10000 = 4$

Our answer is B.

3 0

2 years ago