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3 years ago

20 POINTS PLEASE HELP!!!!!!

Mathematics

2 answers:

Ilia_Sergeevich [38]3 years ago

8 0

28 unit

so D

~~note~~the file I not downloading

bixtya [17]3 years ago

6 0

Your answer would be 19 square units.. do good i hope u pass

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A swimming pool is open for 12{3}{4} hours each day. The lifeguards work shifts that are {3}{4} hour long. How many shifts are t

Ira Lisetskai [31]

Answer: 17 shifts each day

Step-by-step explanation:12 3/4 decided by 3/4 is 17

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3 years ago

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How many 3-letter sequences can be formed if the second letter must be a vowel (A, E, I, O, or U), and the third letter must be

erica [24]

Answer:

120 ways

Step-by-step explanation:

Given that, 3-letter sequences should be formed, where the second letter must be a vowel (A, E, I, O, U) and the third letter must differ from the first letter.

There are 26 alphabets in English,

so, firstly let us fix the second letter to be one of the vowels

now we are left with 25 alphabets and now let us fix the third letter to be an alphabet from the remaining 25 alphabets.

now, we are left with 24 alphabets and the first letter can be any of these 24 alphabets.

so, there are 24 ways to fill the sequence.

The same thing can be done with the other 4 vowels.

so, total number of ways = 5 × 24 = 120 ways.

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3 years ago

What’s the amplitude,period,equation of axis, and range for y=3sin[2(x+90)]?

d1i1m1o1n [39]

Answer:

amplitude: 3
period: π
axis: y = 0
range: [-3, +3]

Step-by-step explanation:

The amplitude is the multiplier of the sine function: 3.

The period is 2π divided by the coefficient of x: 2π/2 = π.

The equation of the axis is any added constant: y = 0.

The range is the axis value ± the amplitude value: from -3 to +3.

4 0

3 years ago

Type an equation for the following pattern

umka2103 [35]

For the given table, the difference between two consecutive y terms are

$4-3=5-4=6-5=7-6=1$

It means the difference is constant. So the given function is in arithmetic progression.

And to find the equation, representing the given series, we will use the formula for the nth term of arithmetic series, which is

$a_{n}= a+ (n-1)d$

Here,

$a_{n} =y, n=x, and \ d \ for \ the \ common \ difference.$

So we will get

$y= 3+(x-1)(1)
\\
y = 3 + x-1
\\
y= x +2$

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3 years ago

Number of whole numbers between 45 and 69 is _________ .<br> (a) 31 (b) 23 (c) 25 (d) 28

tatiyna

The number of whole number is 23 through subtracting the numbers. hope it helps ☺️

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3 years ago

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