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3 years ago

The zoo can buy 45 mynah birds or 3

Mathematics

2 answers:

Citrus2011 [14]3 years ago

8 0

Answer:

It is c 30

Step-by-step explanation:

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Airida [17]3 years ago

4 0

Answer: C

Step-by-step explanation: If you take 45 and divide it by 3 you get 15 which is the number of birds for one leopard, now multiply 15 by 2 and you get the amount of birds for 2 leopards.

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Plz help plz I am already failing I dont want to fail more

Gnom [1K]

Answer:

B is the closet to pi hsiebfjwjgsbe9fbe

7 0

3 years ago

An observer, whose eyes are 1.98 m above the ground, is standing 39.2 m away from a tree. The ground is level, and the tree is g

lozanna [386]

Answer:

The tree is 16.25 m tall.

Step-by-step explanation:

Attached is a diagram that better explains the problem.

From the diagram we see that the distance between the top of the tree and the line of sight of the observer is x.

To find the height of the tree, we need to first find x and then add it to the height of the observers line of sight from the ground.

Using SOHCAHTOA trigonometric function:

tan(20) = x/39.2

=> x = 39.2 * tan(20)

x = 39.2 * 0.364

x = 14.27m

Hence, the height of the tree is:

(14.27 + 1.98)m

16.25m

The tree is 16.25 m tall.

5 0

3 years ago

How do I solve this: (-3z2+z+13)-(6z2+7)

vesna_86 [32]

I know that you should use PEMDAS, what grade are you in this sems advances for you

7 0

3 years ago

If f(x)=7x-7 what is f(8)+f(4)

NARA [144]

Given Function is

f ( x ) = 7x - 7 ------- eqn ( 1 )

Now , put the value of x = 8 in eqn ( 1 )

f ( 8 ) = 7 ( 8 ) - 7
f ( 8 ) = 56 - 7
f ( 8 ) = 49 ------- eqn ( 2 )

Now , put the value of x = 4 in eqn ( 1 )

f ( 4 ) = 7 ( 4 ) - 7
f ( 4 ) = 28 - 7
f ( 4 ) = 21 ------- eqn ( 3 )

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From eqn ( 2 ) nd eqn ( 3 ) we get,

f ( 8 ) + f ( 4 )
49 + 21
70

Hope Helps! :)

7 0

2 years ago

An arc has a length of 123.53 millimeters and a radius of 28 millimeters. What is the measure of the angle of the sector in degr

nadezda [96]

Answer:

Step-by-step explanation:

The formula for arc length in terms of degrees is

$A.L.=\frac{\theta}{360}*2\pi r$ and we have everything we need to fill in to find the angle measure.

$123.53=\frac{\theta}{360}*56\pi$ which is the same as

$123.53=\frac{56\pi \theta}{360}$ and

$360(123.53)=56\pi \theta$ and

$\frac{360(123.53)}{56\pi}=\theta$ so

θ = 253°

4 0

3 years ago