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4 years ago

CAN SOMEONE PLEASE HELP ME WITH THIS PAGE

Mathematics

2 answers:

guapka [62]4 years ago

6 0

1- E and C (an acute triangle doesn't have any angles over 90 degrees)

2- D (an obtuse triangle has an angle greater than 90 degrees)

3- B and C (scalene triangles don't have any sides the same length so there will be no dashes)

4 & 5 are correct

6- b (right triangles will always have a square in the corner)

Wittaler [7]4 years ago

5 0

1. A, C, E
2. D
3. B, C
4. A, D
5. E
6. B

hope this helps

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Compare 1km to 999m is it less or greater then

Marta_Voda [28]

1km is greater than 999m by 1m. A km is 1000 meters

8 0

3 years ago

-26 times a number minus 22 is equal to 90 less than the number.

Novay_Z [31]

-26n -22= n - 90

-26 times a number: -26n

minus 22: -22

equal: =

90 less than a number: n - 90

Solving the Equation:

Move n to the left side of the equal sign (which becomes -n) in order to combine like terms:

-26n-n-22= -90

Move -22 to the right side of the equal sign which becomes +22

-26n-n=-90+22

solve both sides; -26n-n= -27n and -90+ 22= -78

-27n=-78

n= 2.888888

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3 years ago

The indicated function y1(x) is a solution of the given differential equation. Use reduction of order or formula (5) in Section

lisabon 2012 [21]

Answer:

$\therefore y_2(x)=-\frac{e^{-6x}}{8}$

The general solution is

$y=c_1e^{2x}-c_2.\frac{e^{-6x}}{8}$

Step-by-step explanation:

Given differential equation is

y''-4y'+4y=0

and $y_1(x)=e^{2x}$

To find the $y_2(x)$ we are applying the following formula,

$y_2(x)=y_1(x)\int \frac{e^{-\int P(x) dx}}{y_1^2(x)} \ dx$

The general form of equation is

y''+P(x)y'+Q(x)y=0

Comparing the general form of the differential equation to the given differential equation,

So, P(x)= - 4

$\therefore y_2(x)=e^{2x}\int \frac{e^{-\int 4dx}}{(e^{2x})^2}dx$

$=e^{2x}\int \frac{e^{-4x}}{e^{4x}}dx$

$=e^{2x}\int e^{-4x-4x} \ dx$

$=e^{2x}\int e^{-8x} \ dx$

$=e^{2x}. \frac{e^{-8x}}{-8}$

$=-\frac{e^{-6x}}{8}$

$\therefore y_2(x)=-\frac{e^{-6x}}{8}$

The general solution is

$y=c_1e^{2x}-c_2.\frac{e^{-6x}}{8}$

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3 years ago

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Answer:

12000 = 25x + 3000 is your equation

8 0

3 years ago

Read 2 more answers

Which kind of symmetry does the word TOOT have?

UkoKoshka [18]

Answer:

Linear symmetry.

Step-by-step explanation:

The word 'TOOT' can be reflected in y-axis if a point (0,0) on cartesian plane divides the words' TO' and 'OT' equally.

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3 years ago