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3 years ago

What is 3 times 1/3 and subtract 5

Mathematics

2 answers:

lukranit [14]3 years ago

7 0

3* ( 1/3 -5)= -14 hope this helps

riadik2000 [5.3K]3 years ago

5 0

Answer: -4

Step-by-step explanation:

Rephrase the given expression

3 times 1/3 and subtract 5

3×1/3-5

Do multiplication first, then subtraction

3×1/3-5

=3/3-5

=1-5

=-4

Hope this helps!! :)

Please let me know if you have any questions

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The number of solutions for each system of two linear equations.

Archy [21]

Answer:

system (1) ⇒ Infinitely Many Solutions

system (2) ⇒ One Solution ⇒ ( 8/7 , 0)

system (3) ⇒ Infinitely Many Solutions

Step-by-step explanation:

A) The first system of two linear equations.

2x + 2y = 3 ⇒(1)

4x + 4y = 6 ⇒(2)

If we multiply equation (1) by 2, we will get equation (2)

So, the system in fact represents one equation.

So, The system has Infinitely Many Solutions

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B) The second system of two linear equations.

7x + 5y = 8 ⇒(1)

7x + 2y = 8 ⇒(2)

By subtract (1) - (2) we will get:

5y - 2y = 0

3y = 0

y = 0

Substitute at (1)

7x + 0 = 8

x=8/7

So, The system has only One Solution ⇒( 8/7 , 0)

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C) The last system of two linear equations.

-2x + 3y = 7

2x - 3y = -7

If we multiply equation (1) by -1, we will get equation (2)

So, the system in fact represents one equation.

So, The system has Infinitely Many Solutions

6 0

3 years ago

What is the rate of change between the interval x= pi and x= 3pi/2

Romashka [77]

Answer:

$\frac{6}{\pi }$ or 1.9099

Step-by-step explanation:

Look for y values at each of those given values of "x" and apply the slope formula. When x = pi. y = -1 so the coordinate is $(\pi,-1)$ . When x = 3pi/2, y = 2 so the coordinate is $(\frac{3\pi }{2},2)$

Plug those values into the slope formula:

$\frac{2-(-1)}{\frac{3\pi }{2}-\pi}$

You need a common denominator of pi:

$\frac{3}{\frac{3\pi-2\pi}{2} }=\frac{3}{\frac{\pi }{2} }$

Do the math on that to get a slope of $\frac{6}{\pi } =1.9099$

8 0

4 years ago

- Consider the following sets:

n200080 [17]

Answer:

Step-by-step explanation:

A rectangle is a parrellagram. Also, got right on edg.

7 0

4 years ago

What is an equation of the line that passes through the points (-6, 5) and (6, 7)?

e-lub [12.9K]

Answer:

$y=\frac{1}{6}x+6$

Step-by-step explanation:

Let $(x_1,y_1)\rightarrow(-6,5)$ and $(x_2,y_2)\rightarrow(6,7)$

Determine slope

$m=\frac{y_2-y_1}{x_2-x_1}\\ \\m=\frac{7-5}{6-(-6)}\\ \\m=\frac{2}{6+6}\\ \\m=\frac{2}{12}\\ \\m=\frac{1}{6}$

Use either ordered pair to find the y-intercept

$y=mx+b\\\\7=\frac{1}{6}(6)+b\\\\7=1+b\\\\6=b$

Final equation

$y=\frac{1}{6}x+6$

4 0

3 years ago

Timothy paid $14,850 for a used car 4 years ago. Because he did not properly maintain the car, he sold it for $3,960. What was h

TEA [102]

Answer:

Depreciation rate = 16.32%

Step-by-step explanation:

First we calculate the annual depreciation of the car

Annual Depreciation = (Cost of car – Net Scrap Value of car)/Useful Life

Details

Cost of Car= $14850

Net scrap Value of car= $3,960

useful Life=4

Thus: Annual Depreciation = ($14850-$3,960)/4

= $2,722/year (Annual Depreciation)

Rate = Annual Depreciation/Cost of car X 100%

= $2,722/$14,850 X 100%

Depreciation rate = 16.32%

8 0

3 years ago