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2 years ago

What is 0.489 in word form please answer

Mathematics

1 answer:

stich3 [128]2 years ago

6 0

Answer:

four hundred eighty nine thousandths

Step-by-step explanation:

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Please help someone

DiKsa [7]

The first equation is x = -1

The second and third equations are no solution

The third equation is all rel numbers.

We can tell each one by solving them. In the first one, you get the following.

4 + x = -8x - 5 ----> Add 8x to both sides

4 + 9x = -5 ----> Subtract 4 from both sides

9x = -9 ----> Divide both sides by 9

x = -1

For the middle two, when you attempt to solve, you get untrue statements. This shows there are no solutions. See the example below.

7 + 2x = 2x - 7 ----> Subtract 2x from both sides

7 = -7 (UNTRUE)

And for the last one, each term cancels out, which shows that we have all real solutions.

-3x + 3 = 3( 1 - x) ----> Distribute the 3

-3x + 3 = 3 - 3x ----> Add 3x to both sides

3 = 3 (TRUE)

8 0

2 years ago

Help if u do both I’ll mark Brainlynest

amm1812

Answer:

See step-by-step explanation

Step-by-step explanation:

16. C, <AOB = 20

The total angle (<AOC) is equal to the sum of the angles inside of it (<AOB and < BOC).

<AOC= <AOB + <BOC

47=<AOB+27

<AOB=20

17. 24

Area of a square = $s^{2}$

36= $s^{2}$

s= 6

One side is 6

The perimeter of a square is 4(s)

4(6) = 24

Word of encouragement:

Good luck!

6 0

2 years ago

Read 2 more answers

Segment overline BD bisects angle ABC . Solve for Round to the nearest tenth, if necessary (Image not necessarily to scale.)

Dovator [93]

Answer:

Hello,

Answer 52/3

Step-by-step explanation:

using the theorem of the bissector :

$\dfrac{x}{13} =\dfrac{20}{15 } \\\\x=\dfrac{20*13}{15} \\\\x=\dfrac{52}{3}$

7 0

2 years ago

In Exercises 3–10, use the Chain Rule to calculate the partial derivatives. Express the answer in terms of the independent varia

sashaice [31]

I'll use subscript notation for brevity, i.e.

$\dfrac{\partial f}{\partial x}=f_x$

$f(x,y,z)=xy+z^2\implies\begin{cases}f_x=y\\f_y=x\\f_z=2z\end{cases}$

$x(r,s)=s^2\implies\begin{cases}x_r=0\\x_s=2s\end{cases}$

$y(r,s)=2rs\implies\begin{cases}y_r=2s\\y_s=2r\end{cases}$

$z(r,s)=r^2\implies\begin{cases}z_r=2r\\z_s=0\end{cases}$

By the chain rule,

$f_r=f_xx_r+f_yy_r+f_zz_r=2xs+4zr=2s^3+4r^3$

$f_s=f_xx_s+f_yy_s+f_zz_s=2ys+2xr=6rs^2$

$x(r,s,t)=r+s-2t\implies\begin{cases}x_r=1\\x_s=1\\x_t=-2\end{cases}$

$y(r,s,t)=3rt\implies\begin{cases}y_r=3t\\y_s=0\\y_t=3r\end{cases}$

$z(r,s,t)=s^2\implies\begin{cases}z_r=0\\z_s=2s\\z_t=0\end{cases}$

By the chain rule,

$f_r=f_xx_r+f_yy_r+f_zz_r=y+3xt=3rt+3r+3s-6t^2$

$f_s=f_xx_s+f_yy_s+f_zz_s=y+4zs=3rt+4s^3$

$f_t=f_xx_t+f_yy_t+f_zz_t=-2y+3xr=3r+3s-12rt$

8 0

2 years ago

A baseball team had 70 players show up for tryouts last year and this year had 85 players show up for tryouts. Find the percent

Mashutka [201]

Answer:percent increase in players from last year to this year= 7.14%

Step-by-step explanation:

percent increase = (Increase in number of players /Initial value of players Last year) x 100

value of players for tryouts last year = 70

value of players for tryouts this year = 85

Increase in tryouts = 85-70 =5

percent increase = 5/70 x 100

= 7.14%

3 0

2 years ago