All categories

3 years ago

If 36a=45/b, then ab=

Mathematics

1 answer:

Ronch [10]3 years ago

4 0

Answer:

$1.25$

Step-by-step explanation:

$let \: a = x \: and \: b = y$

$36x = \frac{45}{y}$

$36xy = 45$

$xy = \frac{45}{36}$

$xy = 1.25$

$therefore \: ab \: is \: 1.25$

You might be interested in

What is the simplified form of 24 y to the eighth power over 15 x to the fifth power divided by 8 y to the fourth power over 4 x

Gnoma [55]

the answer to the question

7 0

3 years ago

Read 2 more answers

Brainers, please help me out. Thanks

quester [9]

The Pythagorean Theorem is a^2 + b^2 = c^2 where a and b are the sides and c is the hypotenuse.

From the picture you have a = 10 and c = 15.

Now you have:

10^2 + b^2 = 15^2

Simplify:

100 + b^2 = 225

Subtract 100 from both sides:

b^2 = 125

Take the square root of both sides:

b = √125

b = 11.2

6 0

4 years ago

A dance school charges a registration fee in addition to a fee per lesson. The equation LaTeX: y=30x+25 y = 30 x + 25 represents

klasskru [66]

The equation is 30x + 25
since the x is with the 30, that would be the cost per lesson, because you would multiply 30 by the number of lessons(x)

7 0

3 years ago

Simplify. Write your answers in scientific notation.

cricket20 [7]

243.00000000 over 3.00

7 0

3 years ago

Carrie place is a 10 foot ladder against the wall if the ladder makes an angle of 65° with the level ground how far up the wall

natita [175]

Answer:

9......

Step-by-step explanation:

A right-angled triangle in the image below will be formed.

Now, we will make use of the trigonometric rule......

But before that, how do know the perfect rule to apply so as to solve the problem?

#. The side facing the angle 65 deg. is called the Opposite side

#. The side facing the angle 90 deg. is called the Hypotenuse

#. While the last side is called the Adjacent

Now, Looking at our question, we were given the Hypotenuse and asked to look for the Opposite side....This is where we apply the trigonometric rule

Sine(θ)=Opposite/Hypotenuse

Therefore,

Sine 64 = Opposite/10

Opposite = 10 x sine64

Opposite = 10 x 0.9

Opposite = 9cm

6 0

3 years ago

Read 2 more answers