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Mkey [24]
2 years ago
7

1/3^-1-1^-1/4^-1find the value in the following equation ​

Mathematics
1 answer:
nadezda [96]2 years ago
4 0

Answer:

-1/6

Step-by-step explanation:

= 1/3 (-1-1) x -1/4 (-1)

= 1/3 (-2) x 1/4

= -2/3 x 1/4

= -2\12

2 and 12 can cancel out each other.

so the answer will be.

= -1/6.

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a walking path across a park is represented by the equation y=-2x-7. A new path will be built perpendicular to this path.The pat
jonny [76]

Answer:

The equation that represents the new path is y=(1/2)x-2

Step-by-step explanation:

step 1

Find the slope of the give line

we have

y=-2x-7

so

the slope m is equal to

m=-2

step 2

Find the slope of the perpendicular line to the given line

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal of each other

so

we have

m=-2 -----> slope of the given line

therefore

The slope of the perpendicular line is equal to

m=1/2

step 3

With m=1/2 and the point (-2,-3) find the equation of the line

y-y1=m(x-x1)

substitute

y+3=(1/2)(x+2)

y=(1/2)x+1-3

y=(1/2)x-2 -----> equation that represent the new path

8 0
3 years ago
Read 2 more answers
Your friend has one week to pay the $26 fine for a parking ticket. After that, the fine Increases $7 each week. ​
Yanka [14]
I don’t know what exactly you are trying to ask? But this equation would be an example of exponential growth.
7 0
2 years ago
Out of 32 students in a class, 5 said they ride their bikes to school. based on these results,how many of 800 students in the sc
Colt1911 [192]
Do a proportion.
5/32= x/800
Cross multiply and divide
800 x 5= 4,000
4,000 divided by 32= 125
So answer is 125 students
6 0
3 years ago
Multiply:<br><br> (-4 + i)(-1 + 5i)
Olegator [25]

Answer:

( - 4 + i) ( - 1 + 5i) \\  = 4 - 20i - 1i + 5 {i}^{2}  \\  = 4 - ( -21i )+ 5i {}^{2}

3 0
3 years ago
Cube - Finding Volume when you have Surface Area (no model of prism for this question)
mr Goodwill [35]

Answer:

512 cm^3

Step-by-step explanation:

Divide 384 by 6 to find the surface area of one face of the cube. 384/6 = 64.

Find the square root of 64 to find both the length and width of the square. They are equal in a square. \sqrt{64} = 8 = x

Volume = xyz or x^3

8^3 = 512

5 0
3 years ago
Read 2 more answers
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