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LenKa [72]
4 years ago
7

Which of the following could be an equation of the line that is perpendicular to= 2x + 5

Mathematics
2 answers:
nataly862011 [7]4 years ago
8 0
Alright, I don't know what your choices are, but here's my input:
For a line to be perpendicular to another line, the slope needs to be the opposite reciprocal of the slope of the given line. Now, by opposite, I mean if your slope is positive, this one needs to be negative (or vice versa). For reciprocal, I mean flip the fraction over. In this case, we have a slope of 2, so its opposite is -2 & the reciprocal is -1/2. So, whatever line has a slope of -1/2 is your answer.

Hope this helps!
vaieri [72.5K]4 years ago
3 0
I say that it is line x+3
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Find the y-intercept for the equation y=15x-3
Anestetic [448]

Answer:

(0,-3)

Step-by-step explanation:

the y intercept is the last number of the expression; in this case it's negative 3. x is always 0

5 0
3 years ago
If the average of x, y, and z is 32 and the average of y and z is 27, what is the average of x and 2x?
Orlov [11]
X + y + z = 32 * 3
27 + 27 + x = 96
X = 54
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6 0
3 years ago
Which of the following correlation coefficients would represent the strongest correlation? -0.9 -0.16 0.04 .78
kolezko [41]

Answer:

0.4 would represent the strongest correlation.

Step-by-step explanation:

Generally, a value of r greater than 0.7 is considered a strong correlation. Anything between 0.5 and 0.7 is a moderate correlation, and anything less than 0.4 is considered a weak or no correlation

8 0
3 years ago
Please help !!!!!picture shown
NeX [460]
I seef(x)  between 0 to 1 is goes to xfinity but in the negative direction
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5 0
4 years ago
Frank is lending $1,000 to Sarah for two years. Frank and Sarah agree that Frank should earn a real return of 4 percent per year
Montano1993 [528]

Answer:

nominal rate of interest is 31.7 %

Step-by-step explanation:

given data

payment = $1000

time = 2 year

rate = 4%

CPI = 100

CPI final yer = 127.7

to find out

nominal rate of interest

solution

we know nominal rate of interest formula that is

nominal rate of interest = real interest rate + inflation rate    .........1

so here inflation rate is express as

inflation rate = ( CPI final year - CPI )  / CPI  × 100    ...........2

put here value

inflation rate = ( 127.7 - 100 )  / 100  × 100

inflation rate is 27.7 %

so from equation 1

nominal rate of interest = real interest rate + inflation rate

nominal rate of interest = 4% + 27.7%

nominal rate of interest is 31.7 %

7 0
3 years ago
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