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9966 [12]
3 years ago
8

If the sin 30 = 1/2, then which statement is true?

Mathematics
1 answer:
egoroff_w [7]3 years ago
3 0

Answer:

cos 60° = 1/2 because the angles are complements.

Step-by-step explanation:

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Akira is folding a piece of paper that is 0.2 millimeters thick in half. The thickness of the paper doubles with each fold. Let
Ostrovityanka [42]

Answer:

t(n)= 0.2 * 2ⁿ

Step-by-step explanation:

Thickness= 0.2 millimeters

paper = 1

n= number of folds

The exponential function will be given by

t(n)= 0.2 * 2ⁿ

so if there's a single fold

t(1)= 0.2 * 2¹

t(1)= 0.4 mm

Now for 2 folds the thickness will be

t(2) = 0.2 *2 ²

t(2)= 0.2 *4

t(2) = 0.8mm

The exponential that represents this scenario is

t(n)= 0.2 * 2ⁿ

And for 3 folds the thickness will be

t(3) = 0.2 *2 ³

t(3)= 0.2 *8

t(3) = 1.6 mm

4 0
3 years ago
The list below shows all of the possible outcomes for flipping four coins.
djverab [1.8K]

Answer:

Each one has two possibilites, so the total is 2*2*2*2 = 16

Step-by-step explanation:

TTTT

TTTH

TTHT

TTHH

THTT

THTH

THHT

THHH

HTTT

HTTH

HTHT

HTHH

HHTT

HHTH

HHHT

HHHH

If you eliminate the duplicates, ie, the coins are identical, you get 4

TTTT

TTTH

TTHH

THHH

HHHH

5 0
3 years ago
What is the square root of 9​
taurus [48]
The square root of 9 is 3
3 0
3 years ago
Read 2 more answers
Write two subtraction equations to show how to find 15 - 7
Jobisdone [24]
15 -7= 8 or 7-15= 8 I realize that that looks crazy... but yr going into the negative numbers... so, you can really subtract 15 from 7 Hope that this helps! :)
6 0
4 years ago
Read 2 more answers
Evaluate 32 + (7 − 2) ⋅ 4 − 6 over 3 . (1 point)
alexgriva [62]

Answer:

50

Step-by-step explanation:

Given:

32 + (7 − 2) ⋅ 4 − 6/3

Using the acronym PEMDAS

P = parenthesis

E = Exponential

M = Multiplication

D = Division

A = Addition

S = Subtraction

32 + (7 − 2) ⋅ 4 − 6/3

= 32 + (5) • 4 - 6/3

= 32 + 20 - 6/3

= 32 + 20 - 2

= 52 - 2

= 50

Therefore,

32 + (7 − 2) ⋅ 4 − 6/3 = 50

5 0
3 years ago
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