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2 years ago

Can someone explain how to do this cuz my computer ain’t doing such a good job

Mathematics

2 answers:

RideAnS [48]2 years ago

5 0

Answer:

L=36

W=6

Step-by-step explanation:

If the length is six times the width than the width is equal to x. This would make the length 6x or 6 times x. The perimeter of the rectangle is all of the sides added together. So 6x+6x+x+x=14x

The perimeter equals 84 which gives you

14x=84

Divide by 14 on each side and x=6

The length is six times longer than the width which is 6x6 or 36 and the width would just remain 6.

alexandr402 [8]2 years ago

4 0

Answer:

length = 36 in and width = 6 in

Step-by-step explanation:

let width be w then length (l) = 6w

perimeter = 2l + 2w = 2(6w) + 2w, that is

perimeter = 12w + 2w = 84, so

14w = 84 ( divide both sides by 14 )

w = 6

Thus

width = 6 in

length = 6w = 6 × 6 = 36 in

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A new aircraft control system is being designed that must be 98.0% reliable. This system consists of two components in series.

sweet [91]

Answer:

98.99%

Step-by-step explanation:

The combined reliability of both components must be 98%. Given that both components must be functional and have the same reliability 'r', the minimum value of 'r' that meets the system requirements is given by:

$0.98 = r^2\\r=0.9899=98.99\%$

The level of reliability required for each component is 98.99%.

6 0

2 years ago

Can someone help with this problem on literal equations to get variable A by itself? Will give lots of points

-BARSIC- [3]

Answer:

Step-by-step explanation:

Part A

xf = xo + vo* t + 1/2 a*t^2 Subtract xo

xf - xo = 0*t + 1/2 a*t^2 multiply by 2

2(xf - xo) = at^2 divide by t^2

2(xf - xo ) / t^2 = a

Part B

Givens

xo =0

vo = 0

a = 10 m/s^2

xf = 120 m

Solution

xf = xo + vo* t + 1/2 a*t^2 Substitute the givens

120 = 0 + 0 + 1/2 * 10 * t^2 Multiply by 2

120*2 = 10* t^2

240 = 10*t^2 Divide by 10

240/10 = t^2

24 = t^2 take the square root of both sides.

√24 = √t^2

t = √24

t = √(2 * 2 * 2 * 3)

t = 2√6

8 0

3 years ago

Can anyone help with the last problem about The Difference Quotient of a Function

Marysya12 [62]

Answer:

tbh i really dont know

Step-by-step explanation:

3 0

2 years ago

If the quadratic functions for the equations are graphed, which is the widest?

alexandr402 [8]

Answer:

D) y = 1/4 x^2

Step-by-step explanation:

For these functions, the leading coefficient can be considered to be either ...

the vertical scale factor (larger ⇒ narrower)

the square of the inverse of the horizontal scale factor.

In the latter case, the horizontal scale factor will be larger (wider) when its inverse and the square of its inverse are smaller.

Either way, you're looking for the smallest leading coefficient: 1/4.

8 0

3 years ago

Which measure of center is the most appropriate for the data in Table 2 (Weight)? Give a reason for your answer.

AleksandrR [38]

Mean because all of the data points are
fairly close and there aren't any outliers
(extreme values)

5 0

1 year ago

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