3 years ago

Please answers this

Mathematics

2 answers:

alexira [117]3 years ago

8 0

Answer:

shusidvxxosbsbzbz

Step-by-step explanation:

usjzkdofjfbf

Zigmanuir [339]3 years ago

6 0

Answer:

50 degree for X look at pic attached

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PLEASEE I NEED HELP I WILL GIVE BRAINLIST :))) ( btw im dump)

Keith_Richards [23]

Step-by-step explanation:

u know u can download math go and u just take a picture and it will give u the answer

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3 years ago

Tan^2x+sec^2x=1 for all values of x. <br> true or false?

amid [387]

This is not true.

$\tan^2x+\sec^2x=\dfrac{\sin^2x}{\cos^2x}+\dfrac1{\cos^2x}=\dfrac{1-\cos^2x+1}{\cos^2x}=2\sec^2x-1$

$2\sec^2x-1=1\implies\sec^2x=1\implies\sec x=\pm1\implies x=n\pi$

where is $n$ is any integer. So suppose we pick some value of $x$ other than these, say $x=\dfrac\pi4$ . Then

$\tan^2\dfrac\pi4+\sec^2\dfrac\pi4=1+2=3\neq1$

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3 years ago

Read 2 more answers

Find the difference between the polynomials:

hram777 [196]

Answer: it’s either 5x^3 -4x^2-7x or

-3x^3-4x^2-7x

Step-by-step explanation:

i put it in my calculator

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3 years ago

Which transformation<br> represents a reflectiom over the y axis

Delicious77 [7]

A reflection over the Y-axis would be the flipped point or set of points across the y axis while still retaining the same distance from the y-axis.

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3 years ago

A music store 3,550 CDs. Each CD rack holds 15 CDs. How many racks does the store need to use to hold all the CDs?

pentagon [3]

3550 cds divided by 15 cds/ rack = 236.66667

Meaning that there will be 236 full racks and the last rack will only have 10 cds

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3 years ago

Please answers this​

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