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3 years ago

Graph the lines by finding the points of intersection with the axes (intercepts): y=2.5x+5

1 answer:

8 0

The y intercept is 5, since slope is y=mx+b. The x intercept is at -2. If you have more problems like this there is an amazing calculator that graphs equations like this for you. www.symbolab.com. Hope this helps!

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Consider the surface f(x,y) = 21 - 4x² - 16y² (a plane) and the point P(1,1,1) on the surface.

____ [38]

Answer:

A) ( -8, -32 )

Step-by-step explanation:

Given function : f (x,y) = 21 - 4x^2 - 16y^2

point p( 1,1,1 ) on surface

Gradient of F

attached below is the detailed solution

7 0

3 years ago

Elena runs for 28 seconds and finishes at 250 seconds what is her velocity please explain

ExtremeBDS [4]

Answer:

The velocity is 8.93 meters/second.

Step-by-step explanation:

It is given that Elena runs for 28 seconds and finishes at 250 meters.

Here the displacement is 250 meters and the time is 28 seconds.

We know that $V=\dfrac{\text{Displacement}}{\text{Time}}$

Substitute displacement = 250 and time = 28 in above formula.

$V=\dfrac{250}{28}$

$V\approx 8.93$ meters/second

Hence, the velocity is 8.93 meters/second.

5 0

3 years ago

Solve: 7/8 - (-1/8) A. -1 B. -1/8 C. 1/8 D.1

kupik [55]

D, because two negative signs next to each other means to add so its pretty much 7/8+1/8 which equals 8/8 which also equals 1

7 0

3 years ago

Read 2 more answers

What is the value of the expression (36 1/2)^2

Korolek [52]

324 is the answer to your promblem welcome

4 0

2 years ago

What is the solution to the system of equations?

vesna_86 [32]

The correct answer is (10,-20), because the equation already gives you the correct x value. Then, from there you just plug 10 in for x in the y equation. Giving you a -20, :)

7 0

3 years ago