Which number has a 5 in the hundredths place?<br><br> A-54.87 <br> B-4.75 <br> C-32.59

Evaluate b - 2 a - c for a = -3, b = 9, and c = -6

saw5 [17]

9-2(-3)+6= 9+6+6 Your answer should be 21 if I read your question correctly

3 0

2 years ago

Read 2 more answers

If I can walk 9673.6 meters in 5 hours. How far can I walk in 70 minutes. ( I need the work)

den301095 [7]

First, convert 5 hours into minutes:

5 hours 60 min

------------ * --------------- = 300 min

1 1 hr

Next, find the unit rate in m/min:

9673.6 m

--------------- = 32.24 m/min

300 min

Now find the distance you can walk in 70 minutes at this rate:

32.24 m

------------- * 70 min = 2247 meters (answer)

1 min

You could walk 2247 meters (to the nearest meter) in 70 minutes.

6 0

3 years ago

Find y when x=14 if y varies directly with x2 and y=72 when x=6

ICE Princess25 [194]

This should help you:

8 0

3 years ago

Determine the Cartesian coordinates of the points with polar coordinates (\sqrt{2}, \pi/4 ), (0, \pi), (-1,400\pi), and ( 2\sqrt

yarga [219]

Answer:

Step-by-step explanation:

We have the conversion from polar coordinates to cartesian as

x =rcost and y = rsint where (r,t) are the polar coordinates

Also all trignometric functions are periodic with period = 2pi

Using this we find out

$(\sqrt{2}, \pi/4 ) = (\sqrt{2}cos \pi/4, \sqrt{2}cos \pi/4,)=(1,1)\\ (0, \pi), (-1,400\pi),=(0 cos 1400 \pi, 0 sin 1400\pi)\\= (0, 0)\\\\ ( 2\sqrt{3},- 2\pi / 3) = (2\sqrt{3}, cos2\pi / 3, 2\sqrt{3},sin2\pi / 3))\\=(-\sqrt{3}, 3)$

Thus we converted polar to rectangular coordinates.

Reverse would be

from (x,y) to (r,t) as

$r=\sqrt{x^2+y^2} \\tant = y/x$

8 0

3 years ago

Indicate the equation of the given line in standard form. The line with slope 9/7 and containing the midpoint of the segment who

professor190 [17]

Given parameters:

Coordinates of end points = (2, -3) and (-6,5).

Slope of line = $\frac{9}{7}$

Unknown:

Equation of the line with the given slope = ?

Solution:

Let us find the coordinates of the mid-point of the line given.

Since the end points are (2, -3) and (-6,5);

Midpoint;

x, y = $\frac{x_{1} + x_{2} }{2}$ , $\frac{y_{1} + y_{2} }{2}$

x, y = $\frac{2 + (-6)}{2}$ , $\frac{-3 + 5}{2}$ = -2 , 1

The coordinate of the mid point = -2,1

Equation of a line is;

y = mx + c

x and y are the coordinates

m is the slope

c is the y intercept

We need to find c in order to fully develop our equation;

y = mx + c

y = 1 , x = -2 and m = $\frac{9}{7}$

So,

1 = $\frac{9}{7}$ x (-2) + c

c = 1 + $\frac{18}{7}$ = $\frac{25}{7}$

Now, the equation of the line is;

y = -2x + $\frac{25}{7}$

Multiply through by 7,

7y = -14x + 25

The equation of the line is 7y = -14x + 25

3 0

3 years ago

Which number has a 5 in the hundredths place? A-54.87 B-4.75 C-32.59