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3 years ago

How many more dogs than cats were over 10 pounds? 10 30 50 100

Mathematics

2 answers:

Sholpan [36]3 years ago

4 0

Answer:

30 30 30 30 30 30 30 30

Step-by-step explanation:

madam [21]3 years ago

4 0

Answer:

30 i think?

Step-by-step explanation:

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Please help with this

Likurg_2 [28]

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3 years ago

Help me find the volume of this shape. step-by-step explanation please!!

Murrr4er [49]

Answer: 64 m^3

Step-by-step explanation:

Formula for the volume of a cube is b*h*w

Substitute values: 4*4*4 (or 4^3)

Calculate: 64

3 0

3 years ago

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alina1380 [7]

Answer:

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6 0

3 years ago

For what value of k will the relation y = kx² + 8x + 8 have only one zero? (3 marks)

Lana71 [14]

Answer:

Step-by-step explanation:

2x^2 + 8x + 8

factor the 2 out : 2(x^2 + 4x + 4)

2(x + 2)^2

x = -2

4 0

3 years ago

Which of the following are identities? Check all that apply

Natasha2012 [34]

Answer:

A, C

Step-by-step explanation:

Actually, those questions require us to develop those equations to derive into trigonometrical equations so that we can unveil them or not. Doing it only two alternatives, the other ones will not result in Trigonometrical Identities.

Examining

A) True

$\frac{1-tan^{2}x}{2tanx} =\frac{1}{tan2x} \\ \frac{1-tan^{2}x}{2tanx} =\frac{1}{\frac{2tanx}{1-tan^{2}x}}\\ tan2x=\frac{1-tan^{2}x}{2tanx}$

Double angle $tan2\alpha =\frac{1 -tan^{2}\alpha }{2tan\alpha}$

B) False,

No further development towards a Trig Identity

C) True

Double Angle Sine Formula $sin2\alpha =2sin\alpha *cos\alpha$

$sin(8x)=2sin(4x)cos(4x)\\2sin(4x)cos(4x)=2sin(4x)cos(4x)$

D) False No further development towards a Trig Identity

$[sin(x)-cos(x)]^{2} =1+sin(2x)\\ sin^{2} (x)-2sin(x)cos(x)+cos^{2}x=1+2sinxcosx\\ \\sin^{2} (x)+cos^{2}x=1+4sin(x)cos(x)$

7 0

3 years ago

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