3 years ago

Im struggling with stupid math problems and i need help

Mathematics

1 answer:

a_sh-v [17]3 years ago

3 0

Add the x and y and you will get 4x^4=8y^2

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Which of the following are identities? Check all that apply. A. cot2x + 1 = csc2x B. tan2x = 1 - sec2x C. sin2x = 1 + cos2x D. s

kirill115 [55]

I'll assume those are squares. We know D is an identity:

$\sin^2 x + \cos ^2 x = 1$

Dividing through by $\sin ^2 x$

$1 + \cot^2 x = \csc^2 x$

That's A.

Dividing the original through by $\cos ^2 x$

$\tan^2 x + 1 = \sec^2 x$

Not quite B, wrong sign on tangent.

C has the wrong sign on cosine squared as well.

Identities: A & D

4 0

3 years ago

Please help me thanks

marissa [1.9K]

Answer:

The constant rate of change is 1.5

The point that intersects the y axis is (0,0)

Step-by-step explanation:

Constant rate of change: y2-y1/x2-x1

(1,1.5) (2,3)

3-1.5=1.5

2-1=1

1.5/1=1.5

Constant rate of change is 1.5

Hope this helps!

8 0

3 years ago

Describe the graph of a system of two linear inequalities that have no solution.

topjm [15]

2 parallel lines with shading in opposite directions.

5 0

3 years ago

Katie is 1.47 m tall. George is 8 cm shorter than Katie. How tall is George? Give your answer in m

anygoal [31]

Answer:

George = 1.39 m

Step-by-step explanation:

Katie = 1.47 m

George = 1.47 m - 0.08 m (8 cm = 0.08 m)

George = 1.39 m

8 0

3 years ago

Read 2 more answers

Andy starts with $40 and is saving at a rate of $5 per week. Samantha starts with $136 and is spending at a rate of $3 per week

My name is Ann [436]

136 - 3x = 40 +5x
136 - 40 = 5x + 3x
96 = 8x
12 = x

40 + 4(12)
40 + 48
88

A.) 12 weeks
B.) $88

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3 years ago