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musickatia [10]
3 years ago
9

What is the slope of all lines perpendicular to the line y=(2/3)x+7

Mathematics
1 answer:
Alexandra [31]3 years ago
6 0

Answer:

The slope is -3/2

Step-by-step explanation:

<u>A line that is perpendicular to another has the slope that has the sign reversed and is the reciprocal. </u>

Example:  Find the line perpendicular to y = 3x

First, you flip the sign which makes 3 into -3

Next, you make the reciprocal which makes -3 into <u>-1/3 </u>

Problem:  Find the line perpendicular to y = (2/3)x + 7

First, you flip the sign which makes 2/3 into -2/3

Next, you make the reciprocal which makes -2/3 into <u>-3/2</u>

Answer:  The slope is -3/2

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zaharov [31]
I think the answer is 39/250
3 0
3 years ago
What is the answer<br><img src="https://tex.z-dn.net/?f=%20%7B5%7D%5E%7B%20-%207%7D%20%20%5Ctimes%20%20%7B5%7D%5E%7B12%7D%20%20%
garri49 [273]

Hey there!!

Simple equation :

mᵃ × mᵇ = m ᵃ⁺ᵇ

We have :

5⁻⁷ * 5¹² * 5⁻²

... 5⁻⁷⁺¹²⁻²

... 5¹²⁻⁹

... 5³

... 125

Hope my answer helps!!

5 0
2 years ago
Help?
Gre4nikov [31]
A = P(1 + r)^t is the interest formula
A = 1000(1 + .02)^t
A = 1000(1.02)^t
I'm not sure which of your two answers A or C have the t raised to a power but you need to choose the one with the t raised to a power.
6 0
3 years ago
A rectangular site measures 125 feet (frontage) by 256 feet (depth), of which 26 feet is in the public right of way. what is the
alexandr1967 [171]

Answer:

32,000 square feet gross area and 28,750 square feet net area

Step-by-step explanation:

Given a rectangular site measures 125 feet (frontage) by 256 feet (depth), of which 26 feet is in the public right of way. We have to find the  the gross and net site area.

As, 26 feet width is in the public right of way which excluded in the net area but included in gross area.

For gross area,

Length=125 feet

Width=256 feet

Area=Length\times width=125\times 256=32000 square feet

For net area,

Length=125 feet

Width=256-26=230 feet

Area=Length\times width=125\times 230=28750 square feet

Hence, last option is correct.

The answer is:  32,000 square feet gross area and 28,750 square feet net area

6 0
2 years ago
Gianna earned $466.90 at her job when she worked for 23 hours. How much money did she earn each hour?
Galina-37 [17]

Answer:

About $20.30

Step-by-step explanation:

$466.90 divided by 23.

5 0
2 years ago
Read 2 more answers
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