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loris [4]
4 years ago
12

Solve for y in terms of x. Determine if y is a function of x. If it is, rewrite using f(x) notation. If not, enter ND in the ans

wer field.
7x-5y=2
Mathematics
1 answer:
Neko [114]4 years ago
8 0

Answer:

<h3>y =  (7x-2)/5</h3>

Step-by-step explanation:

Given the expression 7x-5y = 2, we are to write y in terms of x. to do that, we will have to make y the subject of the formula from the given expression as shown;

7x-5y = 2

subtract 7x from both sides of the equation

7x-5y-7x = 2-7x

-5y = 2-7x

Multiply through by minus sign

-(-5y) = -(2-7x)

5y = -2+7x

5y = 7x-2

Divide both side by 5;

5y/5 = (7x-2)/5

y =  (7x-2)/5

Hence the expression y as a function of x is given as y =  (7x-2)/5

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What is the real interest rate if the nominal interest rate is 1 when the rate of inflation is 2
vovikov84 [41]

Answer:

Real interest rate = -1%

Step-by-step explanation:

Real interest rate=Nominal interest rate - inflation rate

From the above,

Nominal interest rate=1%

Inflation rate=2%

Real interest rate=Nominal interest rate - inflation rate

=1% - 2%

= -1%

Real interest rate = -1%

Real interest rate shows you what it really costs borrowers to pay back their loans.

if the real interest rate is greater than zero, the amount you pay back is worth more in real terms than the money you borrowed.

if the real interest rate is below zero as in the above case, the amount you will pay back is less worth in real terms than the money you borrowed.

7 0
4 years ago
Question 18 (5 points)
Sveta_85 [38]
Two lines are perpendicular to the same line so they are parallel .
8 0
3 years ago
Giải phương trình vi phân <br> xy^'-y(ylnx-1)=0<br> thỏa y(1)=1/2.
Mashcka [7]

Это ДУ Бернулли, все детали на фото.

3 0
3 years ago
Need help ASAP
Natalija [7]

Answer:

<h2>B. y=25x+50</h2>

Step-by-step explanation:

We need to use two points on the line: (0,50) and (2,100).

Then, we find the slope with the formula

m=\frac{y_{2}-y_{1}  }{x_{2} -x_{1} }\\ m=\frac{100-50}{2-0}=\frac{50}{2}=25

Then, we use the point-slope formula to find the equation

y-y_{1} =m(x-x_{1} )\\y-50=25(x-0)\\y=25x+50

Therefore, the right answer is B.

8 0
4 years ago
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Are there more 3-digit numbers that can be divided by at least one of the numbers 4, 7, or 9, or 3-digit numbers that cannot be
kirza4 [7]

Answer:

Yes there are more 3-digit numbers that can be divided or not divided by 4, 7, or 9

Step-by-step explanation:

Any real number can be divided by those numbers but you may get decimals as well.

5 0
3 years ago
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