3 years ago

Change 15 into a percent

1 answer:

4 0

Well, when you want to make 15 a percentage, You need to know of what, for an example, 20 percent of 100 is 20% percent because 20/100= 0.20 which equals 20%. What is 15 of? Fill in the blank. 15 percent of ___=? which would be 15/?

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Mariah builds a tabletop using square tiles, There are 12 rows of tiles and 30 tiles in each row. How many tiles does Mariah use

kiruha [24]

360 tiles because you have to multiply 12x30.

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3 years ago

Match them together to correct answer

Verizon [17]

ANSWER

Frequency=2

Midline =3

Amplitude =5

Period =π

EXPLANATION

We have:

$f(x) = 5 \cos(x) + 3$

The given function is of the form;

$f(x) = a\cos(bx) + c$

where

a=|5| =5 is the amplitude

and b=2 is the frequency.

and 2π/b=2π/2=π

The range of the given function is

8≤y≤-2

The midline is

$\frac{8 + - 2}{2} = \frac{6}{2} = 3$

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3 years ago

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frutty [35]

Answer:

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Step-by-step explanation:

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History: z = (45-53)/16 = -0.5

Physics: (70.5-60)/14 = 0.75

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3 years ago

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Neil mixes 1\10 liter of red paint with 3/10 of yellow how many liters of paint does neil have

frozen [14]

Answer:

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Step-by-step explanation:

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3 years ago

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T F IfA and B are similar matrices, then AT=BT

muminat

Answer:

Step-by-step explanation:

We know that for two similar matrices $A$ and $B$ exists an invertible matrix $P$ for which

$[tex]B = P^{-1} AP$ [/tex]

∴ $B^{T} = (P^{-1})^{T} A^{T} P^{T} \\$

Also $P^{-1}P = I\\$

and $(P^{-1})^{T} = (P^{T})^{-1}$

∴ $(P^{-1})^{T}P^{T} = I$

so, $B^{T} = (P^{-1})^{T} A^{T} P^{T} = (P^{T})^{-1}A^{T} P^{T}\\B^{T} = A^{T} I\\B^{T} = A^{T}$

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3 years ago