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Vlad1618 [11]
3 years ago
10

Please help. If you don't know the answer please don't respond. It's not funny and it doesn't help.

Mathematics
2 answers:
never [62]3 years ago
5 0
If you have any other questions like this then you can use something on google called "desmos" and you type in the equation or expression and itll graph and give you all the solutions ❤️
horsena [70]3 years ago
4 0

Answer:

Its (0,-5).

Step-by-step explanation:

To find the x-intercept, substitute in  0  for  y  and solve for  x . To find the y-intercept, substitute in  0  for  x  and solve for  y .

Hope this helps :)

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Find two consecutive whole numbers that square root 86 lies between.
Alexus [3.1K]
The square root of 86 is 9.2...... Hence, it lies between 9 and 10.
3 0
3 years ago
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The length of a rectangle is 8 feet more than it’s worth. The area of the rectangle is 84 ft.². Find its Length and width.
Furkat [3]

Answer: 100 i think, but am not sure.

Step-by-step explanation:

The formula for area of a rectangle is A=l*w.  Since the area is 84, then you can use the A=l*w formula.  84 = x(x+8) would be the equation to solve for x.

Now, you need to put the equation in standard form.  So, x2 + 8x - 84 = 0.

Since you can't solve this quadratic using factoring, you need to complete the square.

To complete the square you need to add 84 to both sides.  Now you have x2 + 8x = 84.  Take the coefficient for the x term (8) and divide by 2.  Now square it.  That would be 42, so 16.  Now you have x2 +8x +16 = 100.

Factor x2 +8x +16, so (x+4)2 = 100

If you use the square root property, you have x+4 = 10.  Therefore, x = 6 (the short side) and 14 is the long side.

5 0
3 years ago
Solve the question and check the solution. Express numbers as integers or simplified fractions. 5(m+5)=7m+9
Yanka [14]

Answer:

m = 8

Step-by-step explanation:

5(m+5)=7m+9   (distribute & evaluate parenthesis)

5(m)+5(5)=7m+9

5m + 25 = 7m + 9  (move all m-terms to one side and constants to the other)

5m - 7m = 9 - 25  (evaluate both sides)

-2m = -16 (divide both sides by -2)

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7 0
3 years ago
Find an equation of each line given one point and the slope : (4, 8); slope 8
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Step-by-step explanation:

in such a case the easiest approach might be using the point-slope form of a line equation :

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with m being the slope, and (x1, y1) being a point on the line.

so, in our case that would be

y - 8 = 8(x - 4)

simplified this would be

y - 8 = 8x - 32

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FYI - this would be then the slope-intercept form (-24 would be the intercept point on the y-axis).

3 0
1 year ago
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Orlov [11]
Rewrite equation so that it is homogeneous . 
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Solve characteristic equation:
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The solutions to the homogeneous equation are:
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Finally you need the constant term in "cy" to equal 'd' to satisfy the particular solution.
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4 0
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