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Bogdan [553]
2 years ago
9

At a pet show, There are dogs, cats and rabbits. There are 480 contestants altogether. 1/2 of the contestants are cats, 1/6 of t

he contestants are rabbits. How many dogs are there? What fraction of the contestants are dogs?
Mathematics
1 answer:
svetlana [45]2 years ago
4 0

1/3 of the contestants are dogs and there are 160 dogos.

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Which of the following rational functions is graphed below?
Nimfa-mama [501]

Answer:

F(x) = 1/x^2

Step-by-step explanation:

F(x) = 1/x^2 is

y = 1/x^2

graph goes up to 10 each side

plug in 1,2,3,4,5,6,7,8,9,10 for x and see what y looks like

when x is  1,2,3,4,5,6,7,8,9,10

y is 1,1/4,1/9,etc

5 0
2 years ago
A truck is 250 inches long. A car is 35% shorter than the truck. How long is the car
drek231 [11]

Answer:

87.5 inches long

Step-by-step explanation:

250 x 0.35 = 87.5

3 0
3 years ago
Read 2 more answers
Chase is building a birdhouse in the shape of a regular polygon. He knows that the measure of the interior angle is twice the me
mel-nik [20]

Answer:

The perimeter of the base of the birdhouse is 36 units

Step-by-step explanation:

<u><em>The complete question is</em></u>

Chase is building a birdhouse in the shape of a regular polygon. He knows that the measure of the interior angle is twice the measure of the exterior angle and the length of a diagonal that passes through the center is 12. What is the perimeter of the base of the birdhouse?

step 1

Find the measure of the interior angle

Let

x ---> the measure of the interior angle

y ---> the measure of the exterior angle

Remember that

the sum of the interior and exterior angle in any polygon is equal to 180 degrees

so

x+y=180^o ----> equation A

we have that

the measure of the interior angle is twice the measure of the exterior angle

so

x=2y ----> equation B

substitute equation B in equation A

2y+y=180

y=60^o

so

x=120^o

That means-----> The figure is a regular hexagon

step 2

Remember that

The length of the diagonal that passes through the center of the hexagon is equal to two times the length of the regular hexagon

Let

b ----> the length side of the hexagon

so

b=12/2=6\ units

The perimeter of the hexagon is given by the formula

P=6b

substitute

P=6(6)=36\ units

3 0
3 years ago
Math question down below
Sholpan [36]
5(x + 30) 

x + 30 represents the number of minutes per day he practices
5 is the number of days he practices
so 5(x+30) = the total number of minutes he practices in 5 days

For example, if he practices the piano for 20 minutes per day and the violin for 30 minutes per day, he practices a total of 50 minutes per day. For 5 days that would be 5 x 50 = 250 minutes in 5 days.

Plug that into the equation
5(x+30) = 5(20+30) = 5(50) = 250 




5 0
3 years ago
Read 2 more answers
What is the slope of a line perpendicular to the line whose equation is 3x-7y+14=0?
tatyana61 [14]
1.  Find the slope of the given line.  Do this by solving <span>3x-7y+14=0 for m:

3x + 14 = 7y, which gives us m = 3/7.

2.  Find the slope of a line perpendicular to this one.  It's the negative reciprocal of m = 3/7, or -7/3.

</span>
7 0
2 years ago
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