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san4es73 [151]
3 years ago
8

I have a cage with cats and birds. there are 12 heads and 32 feet. how many birds are there

Mathematics
2 answers:
Sati [7]3 years ago
5 0

12x4=48

48-32=16

4-2=2

16 divided by 2=8 birds

Alekssandra [29.7K]3 years ago
3 0

Answer:

4 cats, 8 birds

Step-by-step explanation:

make a system of equations and solve.

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A fence completely surrounds a pool,that is 30 feet by 10 feet.what is the approximate length,in feet,of the fence
tamaranim1 [39]
Because the fence's dimensions is 30 feet by 10 feet, you can assume that one side of the pool is 30 feet while the other, non-congruent side, is 10 feet. The formula for perimeter, which you are trying to find,  is 2L+2W=P. In this problem, 30 will be your L and 10 will be your W. Therefore, 2(30) +2(10)=80.

So 80 feet will be your answer.
4 0
3 years ago
А,
alekssr [168]

Answer:

In Triangle FGH, m<F = 42 and an exterior angle at vertex H as a measure of 104. What is the measure of <G?

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
The surface areas of two similar solids are 384 yd squared and 1057 yd squared The volume of the larger solid is 1795. What is t
Arturiano [62]
This is the concept of scale factors, we are required to calculate for the volume of the smaller solid if the larger solid has a volume of 1975.
Area scale factor=(linear scale factor)^2
thus;
Area scale factor=(area of larger solid)/(area of smaller solid)=1057/384
linear scale factor=√(1057/384)=5.7019
the volume scale factor=(linear scale factor)^3=[volume of larger solid]/[volume of smaller solid]
The volume scale factor=(5.7019)^3=185.3772
therefore;
volume of smaller solid=[volume of larger solid]/[volume scale factor]

=1795/185.3772
=9.683 
The answer is 9.683 yd^3

5 0
3 years ago
Find three points that solve the equation x-3y = -7
serg [7]

x-3y=-7\qquad|-x\\\\-3y=-x-7\qquad|:(-3)\\\\y=\dfrac{x+7}{3}

<em>We choose any values of x and calculate the value of y</em>

for\ x=-4\to y=\dfrac{-4+7}{3}=\dfrac{3}{3}=1\to(-4,\ 1)\\\\for\ x=-1\to y=\dfrac{-1+7}{3}=\dfrac{6}{3}=2\to(-1,\ 2)\\\\for\ x=2\to y=\dfrac{2+7}{3}=\dfrac{9}{3}=3\to(2,\ 3)

<h3>Answer:  (-4, 1), (-1, 2), (2, 3).</h3>
6 0
3 years ago
B) Calculate the area of the trapezium
RUDIKE [14]

Step-by-step explanation:

\underline{ \underline{ \text{Given}}}  :

  • Height ( h ) = 4.5 cm
  • Base 1 ( b ) = 5.2 cm
  • Base 2 ( b ) = 10.8 cm

\underline{ \underline{ \text{To \: find}}} :

  • Area of the given trapezium

\underline{ \underline{ \text{Solution}}} :

\boxed{ \sf{Area \: of \: a \: trapezium =  \frac{1}{2} h \: (b_{1}  +  b_{2})}}

Plug the known values and then simplify !

⟶ \sf{ \frac{1}{2}  \times 4.5 \times (5.2 + 10.8)}

⟶ \tt{ \frac{1}{2}  \times 4.5 \times 16}

⟶ \tt{36 \:  {cm}^{2} }

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \underline{ \bold{ \tt{36 \:  {cm}^{2} }}}}}}}}

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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3 0
3 years ago
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