2 years ago

NEED HELP ASAP! WILL MARK BRAINlIEST!

Mathematics

1 answer:

marishachu [46]2 years ago

5 0

I think it’s b or d i’m sorry if i’m incorrect

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The length of a rectangle is three times it's width. The perimeter of the rectangle is 100 inches. What are the dimensions of th

Pavel [41]

Answer:

Dimensions : 37.5 * 12.5

length : 37.5

width : 12.5

Step-by-step explanation:

let x = length and y = width

x = 3y based on info from problem

Perimeter = 2(length + width)

100 = 2(x + y)

substitute 3y for x

100 = 2(3y + y)

100 = 2(4y)

100 = 8y

y = 12.5

x = 3(12.5) = 37.5

4 0

3 years ago

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What curve passes through the point (1 ,2) and has an arc length on the interval [2,6] given by Integral from 2 to 6 StartRo

Georgia [21]

Answer:

Step-by-step explanation:

Given

Length of curve

$L=\int_{2}^{6}\sqrt{1+64x^{-6}}dx$

Length of curve is given by

$L=\int_{a}^{b}\sqrt{1+\left ( \frac{\mathrm{d} y}{\mathrm{d} x}\right )^2}dx$ over interval a to b

comparing two we get

$\frac{\mathrm{d} y}{\mathrm{d} x}=8x^{-3}$

$dy=8x^{-3}dx$

integrating

$\int dy=\int 8x^{-3}dx$

$y=-4x^{-2}+C$

Curve Passes through (1,2)

$1=-4+C$

$C=5$

curve is

$y+\frac{4}{x^2}=5$

3 0

3 years ago

Which of the following equations is paralllel to the line y+3x+1 and passes through the point (6,-3)

faust18 [17]

Answer:

are there any answer choices??

Step-by-step explanation:

4 0

3 years ago

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The missing number in the series 1,4,27,__,3125 is:

sveta [45]

Answer:

D ) 256

Step-by-step explanation:

The given sequence is 1,4,27, ---, 3125

This is sequence of given problem

$1^{2},2^{2} ,3^{3} ,4^{4} ,5^{5}$

so here missing is '4' term is

The fourth term is 256.

5 0

3 years ago

2. need help with this question

lara [203]

Answer:

First = Poppy seed = 3x10^-4 grams = 0.0003 grams

Second = sesame seeds = 3.64x10^-6 grams = 0.00364 grams

third = 250 pumpkin seeds 21 grams = one seed 0.084 grams

Step-by-step explanation:

3.64x10^-6 kilograms *1000gr/Kilograms = 0.00364 grams

21/250 = 0.0084 grams one seeds

3 0

3 years ago