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Dvinal [7]
3 years ago
13

A Jack-In-The-Box is built around a spring with a spring constant of 70 N/m. How hard does the

Mathematics
1 answer:
tankabanditka [31]3 years ago
5 0

Hooke's Law Formula:

F = k * x

•F = Force

•K = Spring Constant

•X = spring variation

Answer:

F = ?

K = 70 N/m

X = 40cm - 15cm (ending length - starting length).

But we need to change 'cm' to 'm', so we will divide the result of X by 100.

X= 25/100 → 0.25m

F = 0.25 * 70

F = 17.5 N

- mbsilvaf

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kompoz [17]
The answer could be 8064 in³, but I could be wrong also.

I just multiplied 14 by 576.
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3 years ago
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The ratio of the surface areas of 2 rectangles is 256:484. What is the ratio of their heights?
exis [7]

Answer:

182:242

Step-by-step explanation:

Reduce the ratio by its halves (50 percent) and simplify.

Although for this case, you could reduce it even further, because this is a ratio, not the true height.

If this is a test, I would not recommend that.

3 0
3 years ago
What is the equation of a line that is parallel to 2x+3y=3 and passes through the point (3, −4) ? Enter your answer in the box.
adell [148]
(3,-4) is your x and y. Plug it in the equation so,

For x,

2x+3y=3
2x+3(-4)=3
2x-12=3
2x=12+3
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2x/2=15/2
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For y,

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8 0
3 years ago
Which equation represents the line that passes through (–6, 7) and (–3, 6)? y = –y equals negative startfraction one-third endfr
egoroff_w [7]

The equation represents the line that passes through (–6, 7) and (–3, 6) \rm y=\dfrac{-1}{3}x+5.

<h3>What is the slope of the equation?</h3>

For all lines in slope y-intercept form, it would be very simple to just find the answer by finding yourself the slope and y-intercept of the line in question.

The slope of the line is;

\rm m = \dfrac{y_2-y_1}{x_2-x_1}\\\\m =\dfrac{7-6}{-6-(-3)}\\\\m = \dfrac{1}{-3}

The equation represents the line that passes through (–6, 7) and (–3, 6) is;

\rm y=\dfrac{-1}{3}x+b\\\\6=\dfrac{-1}{3}(-3)+b\\\\6=1+b\\\\b = 6-1\\\\b=5

The required line of the equation is;

\rm  y =mx+c\\\\y=\dfrac{-1}{3}x+5

Hence, the equation represents the line that passes through (–6, 7) and (–3, 6) \rm y=\dfrac{-1}{3}x+5.

To know more about the equation of line click the link given below.

brainly.com/question/8955867

3 0
2 years ago
BRAINLIEST ANSWER 50 POINTS are thesee right 16-20
pshichka [43]

Answer:

16=D

17=A

18=A

19=B

20=D

Step-by-step explanation:

4 0
3 years ago
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