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Elenna [48]
3 years ago
11

Can someone help me plz

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
8 0
-4.25 because that is the only number out of those options between -4 and -5
s2008m [1.1K]3 years ago
5 0
The second choice bc it can be plotted between-4 and -5 and is a rational number
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Solve the equation with special factors. (Please show all steps) <br> 16q^2 - 81 = 0
guapka [62]

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Step-by-step explanation:

16q^2-81=0\\16q^2=0+81=81\\16q=\sqrt{81} \\q=\frac{\sqrt{81}}{16}

5 0
2 years ago
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ch4aika [34]

Answer:

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3 0
2 years ago
Please help me!!!!!​ i need full answer.
salantis [7]

Answer:

see explanation

Step-by-step explanation:

Using the sum/ difference → product formula

cos x - cos y = - 2sin( \frac{x+y}{2})sin (\frac{x-y}{2} )

sin x - sin y = 2cos (\frac{x+y}{2} )sin (\frac{x-y}{2} )

Given

(cosA - cosB)² + (sinA - sinB )²

= [ - 2sin(\frac{A+B}{2})sin(\frac{A-B}{2} ) ]² + [ 2cos(\frac{A+B}{2} )sin(\frac{A-B}{2} ) ]²

= 4sin² (\frac{A+B}{2} )sin² (\frac{A-B}{2} ) + 4cos² (\frac{A+B}{2} )sin² ( \frac{A-B}{2} )

= 4sin² (\frac{A-B}{2} )[ sin² ( \frac{A+B}{2} ) + cos² ( \frac{A+B}{2} ) ← sin²x + cos²x = 1

= 4sin² ( \frac{A-B}{2} ) × 1

= 4sin² ( \frac{A-B}{2} ) = right side ⇒ proven

4 0
3 years ago
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Step-by-step explanation:

15 substituted in for f and x is the the number of summers.

4 0
2 years ago
Do banks typically issued credit cards based on a revolving credit agreement
taurus [48]

Answer:

yes

Most credit cards are typically revolving credit agreements.

Step-by-step explanation:

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