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sergey [27]
3 years ago
10

What does a decreasing slope means in terms of distance?

Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Answer:

Step-by-step explanation:

In terms of distance, a decreasing slope means a slowing speed, which leads to a shorter distance.

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(please Explain each step)<br>the question is on the image.​
Fiesta28 [93]

d= distance travelled = 6 km

P= 5d²+270

= 5(6)²+270

=5 ×36 +270

= 180+ 270

= 450

Taxi fare = 450 pence

7 0
3 years ago
Tyrone is constructing a box in the shape of a rectangular prism to store his baseball cards. it has a length of 10 centimeters
kupik [55]
The formula for this, as you stated, is Volume = Length * Height * Width.

Therefore, the Volume is 10*7*8, or 560

Therefore, the volume of the box is 560 cm^3

Hope this helped!! :D
6 0
3 years ago
Katie's swim team is having an end-of-season pizza party. When the party started, there was 50 slices of pizza. Now there are 20
kotykmax [81]

Answer:

30alice of pizza they eat

5 0
3 years ago
if a pair of shoes cost Rs 207.50 and a pair of socks Rs 42.50 how many set of shoes and shocks can be brought with Rs 3000​
Bezzdna [24]
You can buy 12 sets of shoes and socks
7 0
2 years ago
A flat circular plate has the shape of the region x squared plus y squared less than or equals 1x2+y2≤1. the​ plate, including t
vredina [299]

You're looking for the extreme values of x^2+3y^2+13x subject to the constraint x^2+y^2\le1.

The target function has partial derivatives (set equal to 0)

\dfrac{\partial(x^2+3y^2+13x)}{\partial x}=2x+13=0\implies x=-\dfrac{13}2

\dfrac{\partial(x^2+3y^2+13x)}{\partial y}=6y=0\implies y=0

so there is only one critical point at \left(-\dfrac{13}2,0\right). But this point does not fall in the region x^2+y^2\le1. There are no extreme values in the region of interest, so we check the boundary.

Parameterize the boundary of x^2+y^2\le1 by

x=\cos u

y=\sin u

with 0\le u. Then t(x,y) can be considered a function of u alone:

t(x,y)=t(\cos u,\sin u)=T(u)

T(u)=\cos^2u+3\sin^2u+13\cos u

T(u)=3+13\cos u-2\cos^2u

T(u) has critical points where T'(u)=0:

T'(u)=-13\sin u+4\sin u\cos u=\sin u(4\cos u-13)=0

(1)\quad\sin u=0\implies u=0,u=\pi

(2)\quad4\cos u-13=0\implies\cos u=\dfrac{13}4

but |\cos u|\le1 for all u, so this case yields nothing important.

At these critical points, we have temperatures of

T(0)=14

T(\pi)=-12

so the plate is hottest at (1, 0) with a temperature of 14 (degrees?) and coldest at (-1, 0) with a temp of -12.

4 0
3 years ago
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