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skelet666 [1.2K]
3 years ago
6

The correct answer for number 5?

Mathematics
2 answers:
lutik1710 [3]3 years ago
6 0

Answer:

the answer would be D

Step-by-step explanation:

alexandr402 [8]3 years ago
3 0
I think the answer would be D for number 5 but I’m not absolutely positive
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To find the angle of rotation θ between the previous x and y axes and the new x′ and y′ axes, we use the formula: cotangent of 2
Tamiku [17]

The equation is the given one:

\cot 2\theta=\frac{A-C}{B}

Which is the same as:

\tan 2\theta=\frac{B}{A-C}

And the interval of the angle θ must be (0°,90°) so, 2θ must be (0°,180°).

So the statement is True.

7 0
1 year ago
A water tank hols 540 galloms but is leaking at a rate of 4 gallons per week a second water tank holds 720 gallons but is leakin
Murrr4er [49]
Let after n week both tanks have same quantity of water .

for first tank
=============
tank hold 540 gallon of water ,
leaking of water 4 gallon /week
so, in n week water leak from the tank =4× n = 4n

now, after n week quantity of water in the tank = 540 -4n

for second tank
==============
quantity of water in the tank =720 gallon
leaking of water at the rate = 7gallon/week
so, after n week water leak from the tank = 7× n =7n

after n week quantity of water rest in the tank = 720 -7n

now ,
according to question ,

water in first tank = water in second tank
540 -4n = 720 -7n

7n -4n = 720 -540

3n = 180

n = 60

hence , after 60 week both tank have same quantity of water.
4 0
3 years ago
20% of 57 is what number ?<br> The proportion is ?
Elanso [62]

Answer:

11.4

20/100 = x/57

Step-by-step explanation:

It is perhaps simplest just to translate the given English sentence into a mathematical sentence.

... 20% ... ... of ... 57 ... is ... what number

... 20/100 ... × ... 57 .... = ... what number . . . . . . . . translation to math sentence

... 11.4 = what number . . . . . . . . carry out the multiplication

_____

If you're asked to write this as a proportion, you can write it like this:

\dfrac{20}{100}=\dfrac{\text{what number}}{57}

You can solve this proportion by multiplying by 57 (the denominator under "what number"). Doing so gives you the same arithmetic sentence as shown above.

6 0
3 years ago
Bro help me out for a brainly <br> and show work
Natasha_Volkova [10]

Answer:

Definitely Function B

Step-by-step explanation:

Because when you solve the equation it intercepts the X axis

3 0
2 years ago
Read 2 more answers
A bus driver covers a certain distance in 3 hours at an average speed of 80 km/h. How long will the journey take at an average s
BaLLatris [955]

Answer:

d= s x t

=50km/h x 3h

= 150km/h

8 0
3 years ago
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