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3 years ago

Plz help me out. branliest whoever gets it right

Mathematics

2 answers:

xeze [42]3 years ago

8 0

True hope I helped:)

Likurg_2 [28]3 years ago

3 0

Answer:

True!

Step-by-step explanation:

If an object travels at a constant speed, then the distance traveled is directly proportional to the time spent traveling, with the speed being the constant of proportionality. The circumference of a circle is directly proportional to its diameter, with the constant of proportionality equal to π.

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A square napkin is folded in half on the diagonal and placed on the diameter of a round plate (see diagram below). If the folded

Crank

Answer:

$A=81(\pi-1)\ in^2$

Step-by-step explanation:

step 1

Find the area of the plate

The area of a circle is given by the formula

$A=\pi r^{2}$

we have

$r=18/2=9\ in$ ---> the radius is half the diameter

substitute

$A=\pi (9)^{2}\\A=81\pi\ in^2$

step 2

Find the area of the square napkin folded (is a half of the area of the square napkin)

we know that

The diagonal of the square is the same that the diameter of the plate

Applying Pythagorean theorem

$D^2=2b^2$

where

b is the length side of the square

we have

$D=18\ in$

substitute

$18^2=2b^2$

solve for b^2

$b^2=162\ in^2$ -----> is the area of the square

Divide by 2

$162/2=81\ in^2$

step 3

Find the area of the space on the plate that is NOT covered by the napkin

we know that

The area of the space on the plate that is NOT covered by the napkin, is equal to subtract the area of the square napkin folded (is a half of the area of the square napkin) from the area of the plate

$A=(81\pi-81)\ in^2$

simplify

$A=81(\pi-1)\ in^2$

8 0

3 years ago

FRUIT

laiz [17]

2p+6a=$14
3p+9a=$21

3p+9a=21
Subtract 9a
3p=21-9a
divide all by 3
p=7-3a
plug it into start equations

2p+6a=14
2(7-3a)+6a=14
14-6a....+6a=14

this zeroes out...

5 0

3 years ago

Convert the angle θ=180∘ to radians.

Kazeer [188]

Answer:

Step-by-step explanation:

To convert from degrees to radians, we multiply by pi/180

180 * pi/180 = pi

3 0

3 years ago

Help!!! 10 PTS!!!

Crank

Answer:

This is actually pretty easy just find the intersecting points from the lines

Number of solutions: 2

What are the solutions: (4,5) and (0,-3)

7 0

3 years ago

Which graph represents the linar function y=1/3x-4?

spin [16.1K]

Answer:

(0,-4)

Step-by-step explanation:

4 0

3 years ago