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Vsevolod [243]
3 years ago
10

Which pair of points has a negative slope?

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
3 0

Answer:

I believe it's A (-3, 17), (2,-8)

Step-by-step explanation:

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A town is designing a rectangular park that will be 600 feet wide by 1000 feet long. On a scale drawing, the dimensions of the p
KonstantinChe [14]

Scale drawing takes scaled versions of original lengths. The actual length of the swing set area of the park is 25 ft long and 100 ft wide

<h3>How are scale drawings formed?</h3>

For a particular scale drawing, it is already specified that all the measurements' some constant scaled version will be taken. For example, let the scale be K feet to s inches.

Then it means

\rm 1\:  ft : \dfrac{s}{k}\:  in.

All feet measurements will then be multiplied by s/k to get the drawing's corresponding lengths.

For the given case, it is given that

Real dimension of a rectangular park : 600 ft by 1000 ft

In drawing, it was of 12 inches by 20 inches.

Let the scale that the drawing is using be k feet to s inches, then

\rm 1\:  ft : \dfrac{s}{k}\:  in.

Since it is given that 600 ft : 12 inches and 1000 ft : 20 inches, thus, we get:

\rm 1\:  ft : \dfrac{s}{k}\:  in.\\\\600 \: ft = \dfrac{600\times s}{k} \: in. =  12 \: in.\\\\\dfrac{600 \times s}{k} = 12\\\\\dfrac{s}{k} = \dfrac{12}{600} = 0.02

Thus, every feet is reduced 0.02 times in drawing.

Now,

it is given that in drawing, the rectangular area for swing sets is 0.5 inch to 2 inch.

Let its real length was L and real width was W. Then we have:
\rm L \times 0.02 = 0.5 \\\\L = \dfrac{0.5}{0.02} = 25 \:\\\\W \times 0.02 = 2 \\W = \dfrac{2}{0.02} = 100

Since these are only magnitudes, and unit was converted from feet to inches, so we have L = 25 feet and W = 100 feet

Thus,

The actual length of the swing set area of the park is 25 ft long and 100 ft wide

Learn more about scaling here:
brainly.com/question/8765466

6 0
2 years ago
A rectangular plot of land has a width of (2x+3) feet and a length of (3x-1) feet. Express the PERIMETER as a function of x.​
yKpoI14uk [10]

Answer:

f(x)=2(3x-1)+2(2x+3)

Step-by-step explanation:

perimeter is 2×length plus 2×width. f(x) means function of x

5 0
3 years ago
How do i write 2x+3y=24 as slope-intercept form?
Allushta [10]

Answer:

Step-by-step explanation:

3y = -2x + 24

y = -2/3x + 8

4 0
4 years ago
Read 2 more answers
Please help ..............
Naddika [18.5K]
Break the problem into two parts:  1) the area of the this isosceles triangle whose hypotenuse is AB and 2) the area of the semicircle whose diameter is AB.

The triangle is isosceles because the lengths of the two shorter legs are the same (2 meters).  Use the Pythagorean Theorem to find the length of the hypotenuse of this triangle.  (AB)^2 = (2 m)^2 + (2 m)^2, or 8 m^2.  Thus, AB = sqrt(8 m^2), or 2sqrt(2).  This AB is also the base of the triangle.  What is the area of the triangle?

Next, noting that the diameter AB of the semicircle is 2sqrt(2) and the radius is just sqrt(2), find the area of the semicircle.  The area of a circle of radius r
is pi*r^2; here it's pi*(sqrt 2)^2, or pi*2, or 2pi.  

Add the area of the triangle to this area of the semicircle (2pi) to find the total area of the figure.

Hint:  the area of a triangle is (bh)/2, where h is the height, b is the base.
5 0
4 years ago
Help me on this question please!!!!!!!
Romashka-Z-Leto [24]
The 3 terms are 1, -1, and -3.

Recursive= Previous - 2.

Explicit= -2n+ 13









6 0
4 years ago
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