2 years ago

what is the equation of a line perpendicular to y=2x+4 and goes through the point (-2,3)

Mathematics

2 answers:

lesya [120]2 years ago

5 0

Answer:

y=1/2x +4

To get the perpendicular its the opposite reciprocal, so 2/1 will be 1/2

Nonamiya [84]2 years ago

3 0

Answer:

y=1/2x +4 (✿◠‿◠)

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Solve the following equations.<br> 3 ⋅ 62^x = 648

gayaneshka [121]

Answer:

$x=1.56861$

Step-by-step explanation:

$62^x=648$

By using logarithms it becomes easier to solve this question because of the properties they have

From the property of logarithms

$loga^x=xloga$

Take logarithms on both sides

$log62^x=log648$

$\Rightarrow xlog62=log648$

$\Rightarrow x=\frac{log648}{log62}$

$\Rightarrow x=1.56861$

$x=1.56861$

7 0

3 years ago

A bracelet that normally sells for $30.00 is on sale for $25.50. What is the percent discount?

vekshin1

Answer:

15% off

Step-by-step explanation:

We know we paid $25.50 of the original $30. We can divide these two numbers $\frac{25.5}{30}=0.85$ . This is means we paid 85% of the original price. The discount percentage is the remaining percentage from 85 to 100 which is 15. The pants were 15% off.