3 years ago

Which equation represents the sentence?

Mathematics

2 answers:

djyliett [7]3 years ago

5 0

I think it's the first one

Sveta_85 [38]3 years ago

3 0

Answer:

N - 8= N/3

Step-by-step explanation:

JUST TOOK THE TEST

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Please help, What is the nth term rule of the quadratic sequence below? -4,1,12,29,52,81,116

Evgesh-ka [11]

Answer:

29-12 is a 17 difference

52-29 is a 23 difference (adding 6 to the number 17)

81-52 is a 29 difference (adding 6 to the number 23)

116-81 is a 35 difference (adding 6 to the number 29)

Step-by-step explanation:

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3 years ago

Can someone help me find x and y using the 30-60-90 theorem

Fittoniya [83]

X is radical 3
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3 years ago

What is the slope between (-4,0) and (0,2)

zaharov [31]

The slope is y=1/2x + 2 or y= 0.5x+2

3 0

3 years ago

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For the diagram below figure b is a reflection of y=2x of the line y =x

Scilla [17]

The equation of the line would be y = (1/2)x.

To find the equation of a line that is reflected through the line y = x, we just switch the x and y. Then, solve for y.

y = 2x
x = 2y
0.5x = y

5 0

3 years ago

The profile of the cables on a suspension bridge may be modeled by a parabola. The central span of a bridge is 1270 ft long and

deff fn [24]

Answer:

Step-by-step explanation:

Given

span of bridge $L=1270\ ft$

height of span $h=157\ ft$

Equation of Parabola

$y=0.00039x^2$

$|x|$ i.e.

$-635$

$\frac{dy}{dx}=2\times 0.00039$

length of Arc $=\int_{a}^{b}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times \int_{0}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times (660.08)$

$=1320.16\ ft$

4 0

3 years ago