4 years ago

Number missing from grid 4,14,

Mathematics

1 answer:

blsea [12.9K]4 years ago

7 0

Possible answer: 24

14 is 10+4
So 10 + 14 is 24

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The sum of the first n odd numbers is n^2. What is the sum of the odd numbers from 1 through 31?

jok3333 [9.3K]

Answer:

256

Step-by-step explanation:

sum of the first n odd number is n^2

if we want to find the sum of of 1 thru 31

to find out how many numbers that is

(1+31)/2 = 32/2 =16

there are 16 numbers

n^2 =16^2 =256

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3 years ago

A store is having a sale to celebrate President's Day. Every item in the store is advertised as 1/5 off the original price. If a

fomenos

So 140=origonal price-1/5 so
represent origonal price with p
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3 years ago

Determine the amplitude of the following:

nadya68 [22]

QUESTION 1

The first function is
$y = \sin(4x)$
A function of the form
$y = A \sin(Bx)$

has amplitude equal to

$|A|$

The amplitude of
$y = \sin(4x)$

is

$1$

QUESTION 2

The given function is

$y = 4 \cos(x)$

A trigonometric function of the form
$y = A \cos(Bx)$

also has an amplitude of
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The amplitude of
$y = 4 \cos(x)$

is

$4$

QUESTION 3

The given trigonometric function is

$y = 3 \sin( \frac{2}{3} x)$

The amplitude of this trigonometric function is

$3$

QUESTION 4.

The given trigonometric function is

$y = 3 \cos(x)$

The amplitude of this cosine function is
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8 0

3 years ago

I need help with this please i can't figure out.

Gala2k [10]

That should be right, because the absolute value of -9 would be 9, but the negative sign in front makes it -9.

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3 years ago

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Kisachek [45]

The answer would be 5:10.

6 0

4 years ago