3 years ago

What is the slope of the line in the graph?

Mathematics

1 answer:

Goshia [24]3 years ago

7 0

Answer:

My answer would be y=2x+1

Step-by-step explanation:

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What is the value of x? <br><br> I think it is 6 or 9. <br> Please help!!

Katyanochek1 [597]

Answer:

Option (2)

Step-by-step explanation:

From the figure attached,

Two trapezoids PQRS and TUVW are the similar figures.

Therefore, their corresponding sides will be proportional.

$\frac{PQ}{TU}=\frac{RS}{VW}$

$\frac{9}{6}=\frac{12}{x}$

$x=12\times \frac{6}{9}$

$x=8$

Therefore, Option (2) will be the correct option.

6 0

3 years ago

Find the sum of the sequence.<br> 39 +40 +41 +42 + ... + 138

Elis [28]

Answer:

Sol1 you can use "first(first+last)/2" is 138(138+1)/2 - 38(38+1)/2 = 8850

Sol2 or you can look this 39+40+41+....+100+(100+1)+(100+2)+....+(100+38) = 1+2+3+.....+99+100+100(38) = 5050+3800 =8850

6 0

3 years ago

Solve the differential equation dy/dx+4xy=x

Irina-Kira [14]

$\dfrac{\mathrm dy}{\mathrm dx}+4xy=x$
$\dfrac{\mathrm dy}{\mathrm dx}=x(1-4y)$

This ODE is separable, so you can write

$\dfrac{\mathrm dy}{1-4y}=x\,\mathrm dx$

Integrating both sides gives

$-\dfrac14\ln|1-4y|=\dfrac12x^2+C$
$\ln|1-4y|=-2x^2+C$
$1-4y=e^{-2x^2+C}$
$1-4y=Ce^{-2x^2}$
$y=\dfrac{1-Ce^{-2x^2}}4$

3 0

3 years ago

What has the same relationship shape as an cylinder ?

den301095 [7]

Circle
..............

5 0

3 years ago

Read 2 more answers

Y=y = 2x -4 when x= 2

Dominik [7]

Y would equal 0. 2x2=4 and 4-4=0.

7 0

3 years ago